Zoology Sem 6 Cbcs

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  • 1/50 Questions

    Dengue fever, west nile virus, zika virus, and malaria are transmitted by

    • Male mosquito 
    • Female mosquitoes 
    • Bed bug
    • Fleas
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About This Quiz

This quiz for Zoology semester 6 focuses on the characteristics and types of mouthparts in different insects, identifying key features and stages of various insects.

Zoology Sem 6 Cbcs - Quiz

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  • 2. 

    Which of the following is not insect borne disease

    • Maleria

    • Yellow fever

    • Dangue fever

    • Beri beri

    Correct Answer
    A. Beri beri
    Explanation
    Beri beri is not an insect-borne disease. It is a nutritional deficiency disorder caused by a lack of thiamine (vitamin B1) in the diet. In contrast, malaria, yellow fever, and dengue fever are all insect-borne diseases. Malaria is transmitted by the Anopheles mosquito, yellow fever is transmitted by the Aedes mosquito, and dengue fever is also transmitted by the Aedes mosquito.

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  • 3. 

    Severe form of shigellosis is also called

    • Bacillary dysentery 

    • Malaria

    • Typus fever

    • Chickengunia 

    Correct Answer
    A. Bacillary dysentery 
    Explanation
    Bacillary dysentery is the correct answer because it is a severe form of shigellosis. Shigellosis is an infection caused by the bacteria Shigella, and it primarily affects the intestines, causing symptoms such as severe diarrhea, abdominal pain, and fever. Bacillary dysentery is characterized by bloody diarrhea and can lead to complications like dehydration and organ damage if left untreated. Malaria, Typus fever, and Chickengunia are unrelated diseases and not synonymous with severe shigellosis.

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  • 4. 

    Which of the following agent is used to prevent malaria 

    • Mebendazole

    • Chloroquine 

    • Inactivated vaccine 

    • Zinc tablet

    Correct Answer
    A. Chloroquine 
    Explanation
    Chloroquine is the correct answer because it is an antimalarial agent commonly used to prevent and treat malaria. It works by interfering with the growth of parasites in the red blood cells of the body, preventing the spread of the infection. Mebendazole is an anthelmintic medication used to treat parasitic worm infections, not malaria. Inactivated vaccines are used to prevent various infectious diseases, but there is currently no inactivated vaccine available for malaria. Zinc tablets are commonly used as a dietary supplement and for the treatment of zinc deficiency, but they do not prevent or treat malaria.

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  • 5. 

    Which of the following diseases is caused by insect vector

    • HIV/AIDS

    • TB

    • Syphills

    • Malaria

    Correct Answer
    A. Malaria
    Explanation
    Malaria is caused by an insect vector, specifically the female Anopheles mosquito. When an infected mosquito bites a person, it injects the malaria parasites into the bloodstream, leading to the disease. HIV/AIDS is caused by the human immunodeficiency virus, which is transmitted through sexual contact, blood transfusions, and sharing needles, not through insect vectors. TB (tuberculosis) is caused by bacteria and is transmitted through the air when an infected person coughs or sneezes. Syphilis is a sexually transmitted infection caused by the bacterium Treponema pallidum, not by an insect vector.

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  • 6. 

    In malaria the form of plasmodium that is transmitted from mosquito to human is

    • Gametocyte

    • Merozoite

    • Hypnozoite

    • Sporozoite

    Correct Answer
    A. Sporozoite
    Explanation
    Sporozoites are the form of plasmodium that are transmitted from mosquitoes to humans in malaria. After a mosquito bites an infected human, it ingests the gametocytes of the plasmodium. These gametocytes then develop into sporozoites in the mosquito's salivary glands. When the mosquito bites another human, it injects the sporozoites into the bloodstream, where they travel to the liver and invade liver cells. From there, they multiply and develop into merozoites, which then infect red blood cells and cause the symptoms of malaria.

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  • 7. 

    Rat flea transmit the disease

    • Chagas disease

    • Bubonic plaque

    • Dangue

    • Zika virus

    Correct Answer
    A. Bubonic plaque
    Explanation
    The correct answer is Bubonic plague. The bubonic plague is a deadly infectious disease caused by the bacterium Yersinia pestis. It is primarily transmitted through the bites of infected fleas that live on small mammals, such as rats. These fleas act as vectors, carrying the bacteria and transmitting it to humans when they bite. The disease can cause severe symptoms, including high fever, swollen lymph nodes, and in some cases, death. Therefore, the statement "Rat fleas transmit the disease" accurately describes the mode of transmission for the bubonic plague.

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  • 8. 

    Time period between entering the pathogen into the body and appearance of symptoms is called

    • Adoption period

    • Reserve period 

    • Incubation perion

    • Infection period 

    Correct Answer
    A. Incubation perion
    Explanation
    The time period between entering the pathogen into the body and the appearance of symptoms is called the incubation period. During this period, the pathogen begins to multiply and spread within the body, but the person does not yet show any signs or symptoms of the infection. The length of the incubation period can vary depending on the specific pathogen and the individual's immune response.

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  • 9. 

    Which stage of BpH causes damage to oedfy crops

    • Only adult 

    • Only nymph

    • Both 1 & 2

    • Only male

    Correct Answer
    A. Both 1 & 2
    Explanation
    Both adult and nymph stages of BPH (Brown Planthopper) cause damage to oedfy crops. This means that the damage to the crops can occur at any stage of the BPH's life cycle, whether it is in the adult stage or the nymph stage. Therefore, both options 1 and 2 are correct.

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  • 10. 

    Most useful method to control chagas disease is

    • Vector control

    • Drinking of boiled water

    • Fumigation

    • Spilling of karosene oil on water body

    Correct Answer
    A. Vector control
    Explanation
    Chagas disease is primarily transmitted by insects known as triatomine bugs or "kissing bugs." These bugs are the main vectors for the disease, as they can carry and transmit the parasite that causes Chagas disease. Therefore, the most effective method to control Chagas disease is vector control, which involves measures to reduce the population of these bugs and prevent their contact with humans. This can include insecticide spraying, improving housing conditions, and implementing public health education programs. Drinking boiled water, fumigation, and spilling kerosene oil on water bodies are not directly related to controlling the vector population and therefore not as effective in controlling Chagas disease.

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  • 11. 

    Which of the following is smallest order of class insecta

    • Hemiptera

    • Odonata

    • Zeroptera

    • Coleoptera

    Correct Answer
    A. Zeroptera
    Explanation
    Zeroptera is the correct answer as it is the smallest order of class Insecta. The other options, Hemiptera, Odonata, and Coleoptera, are all larger orders within the class Insecta. Zeroptera refers to the extinct order of insects that existed during the Carboniferous period. This order is considered to be the smallest in terms of the number of species and individuals that were present during that time.

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  • 12. 

    Which of the following kind of organism causes malaria

    • Bacteria 

    • Fungus

    • Protozoan 

    • Virus

    Correct Answer
    A. Protozoan 
    Explanation
    Protozoan is the correct answer because malaria is caused by a type of protozoan parasite called Plasmodium. This parasite is transmitted to humans through the bite of infected female Anopheles mosquitoes. Once inside the human body, the parasites multiply in the liver and then infect red blood cells, leading to the symptoms of malaria. Neither bacteria, fungus, nor virus cause malaria, making protozoan the correct choice.

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  • 13. 

    Mosquitoes ticks fleas and bed bugs are

    • Plant parasites 

    • Blood sucking parasites 

    • Blood sucking commensals

    • Internal parasites of man

    Correct Answer
    A. Blood sucking parasites 
    Explanation
    Mosquitoes, ticks, fleas, and bed bugs are blood-sucking parasites. They feed on the blood of their hosts, which can include humans and animals. These parasites have specialized mouthparts that allow them to pierce the skin and suck blood. They rely on this blood meal for their nutrition and survival. Unlike commensals, which benefit from their association with a host without causing harm, blood-sucking parasites actively feed on their hosts' blood, often causing discomfort, irritation, and transmitting diseases in the process.

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  • 14. 

    Chagas disease is caused by a parasite 

    • Trypanosoma

    • Plasmodium

    • Giardia

    • Verticella

    Correct Answer
    A. Trypanosoma
    Explanation
    Chagas disease is caused by a parasite called Trypanosoma. This parasite is transmitted to humans through the bite of infected triatomine bugs, also known as "kissing bugs." Once inside the body, the parasite can invade various tissues, including the heart and digestive system, leading to serious health complications. Chagas disease is primarily found in rural areas of Latin America, where poverty and inadequate housing conditions contribute to the spread of the disease. Treatment for Chagas disease is available, but it is most effective when administered in the early stages of infection.

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  • 15. 

    Kala azar disease is transmitted through the bite of

    • House fly

    • Tsetse fly

    • Sand fly

    • Dragon fly

    Correct Answer
    A. Sand fly
    Explanation
    Kala azar disease is transmitted through the bite of a sand fly. Sand flies are small insects that are known to carry and transmit the parasite responsible for causing kala azar, also known as visceral leishmaniasis. These flies are typically found in tropical and subtropical regions, and when they bite an infected individual, they can transmit the parasite to a healthy person, leading to the development of kala azar. Other flies mentioned in the options, such as house flies, tsetse flies, and dragonflies, are not known to transmit kala azar.

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  • 16. 

    Disease carrying agent is called

    • Pathogens

    • Reservoirs 

    • Vectors 

    • Vaccine 

    Correct Answer
    A. Vectors 
    Explanation
    Vectors are disease-carrying agents that transmit pathogens from one host to another. They can be living organisms such as mosquitoes, ticks, and fleas, or non-living objects like contaminated needles. Vectors play a crucial role in the spread of diseases like malaria, dengue fever, and Lyme disease. They can pick up pathogens from an infected host and transfer them to a susceptible individual, thereby facilitating the transmission of the disease. Understanding vectors and their behavior is essential in developing effective strategies to control and prevent the spread of vector-borne diseases.

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  • 17. 

    Which of the following is true about malaria

    • Sore throat and dry cough 

    • It is prevented through boiling and chlorinating of water

    • Fever and anaemia 

    • Formation of ulcers in intestine 

    Correct Answer
    A. Fever and anaemia 
    Explanation
    Fever and anaemia are true symptoms of malaria. Malaria is a mosquito-borne infectious disease caused by the Plasmodium parasite. It is characterized by recurrent fever, which is often accompanied by chills and sweating. Anaemia is a common complication of malaria, as the parasite infects and destroys red blood cells. Other symptoms of malaria can include headache, muscle aches, fatigue, and vomiting.

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  • 18. 

    Which of the following insecticides is capable of controlling mites

    • Toxaphene

    • Cypermethrine

    • Endosulphate

    • Monocroptophose

    Correct Answer
    A. Cypermethrine
    Explanation
    Cypermethrine is capable of controlling mites. Mites are small arachnids that can cause damage to plants and crops. Cypermethrine is an insecticide that belongs to the pyrethroid class, which is known for its effectiveness against a wide range of insects, including mites. It works by disrupting the nervous system of the mites, leading to paralysis and death. Therefore, Cypermethrine is a suitable choice for controlling mites and preventing damage to plants.

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  • 19. 

    Man is dead end host in

    • Japanese encephalitis 

    • Chickengunia

    • Malaria

    • Kala azar

    Correct Answer
    A. Japanese encephalitis 
    Explanation
    Man is a dead end host in Japanese encephalitis because although humans can become infected with the virus, they do not contribute to the transmission cycle. The virus is primarily transmitted through mosquitoes, with pigs and birds serving as amplifying hosts. Humans can only become infected if they are bitten by an infected mosquito, but they cannot pass the virus on to other mosquitoes or humans. Therefore, humans are considered dead end hosts in the transmission of Japanese encephalitis.

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  • 20. 

    Hopper born is a plant damage symptom which is caused by 

    • Sogatella furcifera

    • Nilaparvata lugans

    • Nephotellise virescens

    • Chadana spectra

    Correct Answer
    A. Nilaparvata lugans
    Explanation
    Hopper burn is a plant damage symptom that is caused by Nilaparvata lugans.

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  • 21. 

    Damaging stage of red hairy caterpillar is 

    • Larva

    • Nymph and adult

    • Maggote

    • Grub and adult 

    Correct Answer
    A. Larva
    Explanation
    The damaging stage of the red hairy caterpillar is the larva. Larva is the immature stage of insects, including butterflies and moths, that hatches from the egg. During this stage, the larva feeds on plants and can cause damage to crops or gardens. The larva of the red hairy caterpillar is known for its destructive feeding habits, which can lead to significant foliage loss and crop damage if left unchecked.

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  • 22. 

    Typhus a highly disease is caused by

    • Body louse 

    • Bed bugs 

    • Flies

    • Mosquitoes 

    Correct Answer
    A. Body louse 
    Explanation
    Typhus is a highly contagious disease caused by the bacteria Rickettsia prowazekii. It is primarily transmitted through the body louse, which acts as a vector for the bacteria. The lice infest humans and spread the bacteria through their feces, which is then scratched into the skin. Other insects like bed bugs, flies, and mosquitoes do not play a significant role in the transmission of typhus.

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  • 23. 

    To distinguish chickengunia from dangue fever during an outbreak following test is used

    • IgM capture ELISA

    • Hemaglutination inhibition test 

    • Hemaglutination neutralisation test

    • Nucleic acid detection by PCR

    Correct Answer
    A. Hemaglutination inhibition test 
    Explanation
    The hemagglutination inhibition test is used to distinguish between chikungunya and dengue fever during an outbreak. This test measures the presence of specific antibodies in the blood that can neutralize the hemagglutination activity caused by the virus. Chikungunya and dengue viruses have similar symptoms, and this test helps differentiate between the two by detecting the specific antibodies produced in response to each virus.

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  • 24. 

    Each of the following parasite is transmitted by the mosquito except 

    • Leishmania donovani

    • Wuchreria bencrofti

    • Plasmodium vivax

    • Plasmodium falciparum 

    Correct Answer
    A. Leishmania donovani
    Explanation
    Leishmania donovani is not transmitted by mosquitoes. It is transmitted by the bite of infected sandflies. On the other hand, Wuchereria bancrofti, Plasmodium vivax, and Plasmodium falciparum are all parasites that are transmitted by mosquitoes. Wuchereria bancrofti causes lymphatic filariasis, while Plasmodium vivax and Plasmodium falciparum cause malaria.

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  • 25. 

    Non persistent viruses are transmitted through 

    • Contaminants of insect mouth parts

    • Legs of insect vectors 

    • Anterior region of gut of vectors 

    • All of the above

    Correct Answer
    A. Contaminants of insect mouth parts
    Explanation
    Non persistent viruses are transmitted through contaminants of insect mouth parts. This means that when an insect feeds on a plant or animal that is infected with the virus, the virus can attach to the insect's mouth parts. When the insect then feeds on another plant or animal, the virus can be transferred to the new host through the contaminated mouth parts. This type of transmission is called non persistent because the virus does not remain in the insect's body for a long time and is not passed on to future generations of insects.

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  • 26. 

    The vector of orange leaf disease in rice is

    • Zig zag leaf hoppers

    • Pink stem borer

    • Pink ants

    • Pale headed stripe borer

    Correct Answer
    A. Zig zag leaf hoppers
    Explanation
    Zig zag leaf hoppers are the vector of orange leaf disease in rice. This means that they are responsible for transmitting the disease from one plant to another. The presence of zig zag leaf hoppers in rice fields can lead to the spread of the disease, causing damage to the crop. It is important to identify and control these leaf hoppers to prevent the transmission of the disease and protect the rice plants.

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  • 27. 

    True name of BMC is

    • Aldrin

    • HCN

    • Rogor

    • LDJ

    Correct Answer
    A. HCN
    Explanation
    The true name of BMC is HCN.

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  • 28. 

    Which of the following is responsible for spreading of yellow fever

    • Dragon fly

    • Aedes

    • Housefly

    • Anopheles 

    Correct Answer
    A. Aedes
    Explanation
    Aedes mosquitoes are responsible for spreading yellow fever. Yellow fever is a viral disease that is transmitted through the bite of infected mosquitoes. Aedes mosquitoes, particularly the Aedes aegypti species, are known to be the primary vectors for yellow fever transmission. These mosquitoes are commonly found in tropical and subtropical regions and are known to bite during the day. They breed in stagnant water sources such as containers, flower pots, and discarded tires. When an Aedes mosquito bites a person infected with the yellow fever virus, it can then transmit the virus to other individuals through subsequent bites.

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  • 29. 

    Which of the following diseases is not transmitted by Aedes aegyopti

    • Chickengunia 

    • Dengue 

    • Chicken pox

    • Yellow fever

    Correct Answer
    A. Chicken pox
    Explanation
    Aedes aegypti is a mosquito species that is known to transmit diseases such as Chickengunia, Dengue, and Yellow fever. However, Chicken pox is not transmitted by this particular mosquito species. Chicken pox is a highly contagious viral infection that spreads through direct contact with an infected person or through respiratory droplets. It is not transmitted by mosquito bites.

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  • 30. 

    Piercing and sucking type of mouth parts are found in 

    • Cotton leaf roller 

    • Cotton jassid

    • Mustard aphid

    • Pink boll worm

    Correct Answer
    A. Mustard aphid
    Explanation
    The correct answer is Mustard aphid. Mustard aphids have piercing and sucking type of mouth parts. These mouth parts allow them to pierce the plant tissues and suck out the sap, which is their main source of nutrition. This feeding behavior can cause damage to the plants, leading to stunted growth and reduced yield.

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  • 31. 

    Grassy stunt disease is caused by 

    • BPH

    • Green leaf hoppers

    • White rice leaf hoppers 

    • Zig zag leaf hopper 

    Correct Answer
    A. BPH
    Explanation
    Grassy stunt disease is caused by BPH, which stands for Brown Planthopper. BPH is a type of insect that feeds on rice plants, causing damage to the leaves and stems. This feeding behavior leads to the development of grassy stunt disease, which is characterized by stunted growth, yellowing of leaves, and reduced yield in rice plants. BPH is a major pest in rice-growing regions and effective pest management strategies are crucial to prevent and control the spread of grassy stunt disease.

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  • 32. 

    Fire blight is disease of 

    • Sunflower

    • Apple

    • Grapes 

    • Carrot 

    Correct Answer
    A. Apple
    Explanation
    Fire blight is a bacterial disease that affects apple trees. It is caused by the bacterium Erwinia amylovora, which infects the blossoms, fruit, and branches of the apple tree. The disease gets its name from the characteristic blackening and shriveling of the affected plant parts, resembling a fire-damaged appearance. Fire blight can cause significant damage to apple orchards, leading to reduced fruit production and even tree death. It is important for apple growers to implement proper management practices to prevent and control the spread of fire blight.

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  • 33. 

    Which insect transfers the virus of rosette diseases in groundnut

    • Groundnut leaf miror

    • White grub

    • Thrips

    • Groundnut aphid

    Correct Answer
    A. Groundnut aphid
    Explanation
    The groundnut aphid is the insect that transfers the virus of rosette diseases in groundnut. These aphids feed on the sap of the groundnut plant and can transmit the virus through their feeding activities. This transmission can lead to the development of rosette diseases, which can cause significant damage to the groundnut crop. Therefore, controlling the population of groundnut aphids is crucial in preventing the spread of these diseases and ensuring the health of the groundnut plants.

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  • 34. 

    The plasmodium species not found in India is 

    • Vivax 

    • Falciparum

    • Malariae

    • Ovale

    Correct Answer
    A. Ovale
    Explanation
    The plasmodium species that is not found in India is Ovale. The other three species, Vivax, Falciparum, and Malariae, are known to be present in India.

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  • 35. 

    Sodium antimony stibogluconate is drug of choice in

    • Dangue

    • Kalazar

    • Filariases

    • Japanese encephalitis 

    Correct Answer
    A. Kalazar
    Explanation
    Sodium antimony stibogluconate is the drug of choice in the treatment of Kalazar, also known as visceral leishmaniasis. Kalazar is a parasitic disease caused by the Leishmania donovani parasite, which affects the internal organs such as the spleen, liver, and bone marrow. Sodium antimony stibogluconate is an antimonial drug that is effective against the Leishmania parasite and is commonly used for the treatment of Kalazar. It helps to eliminate the parasite from the body and alleviate the symptoms of the disease.

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  • 36. 

    Main charactersitic feature of insect is

    • Three pair of legs

    • Presence of wings

    • Pair of antenna 

    • All

    Correct Answer
    A. Three pair of legs
    Explanation
    The main characteristic feature of insects is the presence of three pairs of legs. This distinguishes them from other arthropods, as most insects have six legs. The presence of three pairs of legs allows insects to move and navigate their environment effectively. Additionally, this feature is essential for their ability to perform various functions such as walking, jumping, climbing, and grasping objects.

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  • 37. 

    Chewing and bitting type of mouth parts are found in

    • Grasshopper 

    • Beetle 

    • Honey bee

    • Housefly

    Correct Answer
    A. Beetle 
    Explanation
    Beetles have chewing and biting type of mouth parts. These mouth parts are adapted for cutting and grinding solid food. Beetles are known for their strong jaws and ability to consume a wide variety of plant material and other organic matter. They use their mouth parts to chew and break down their food into smaller pieces that can be easily ingested and digested. This adaptation allows beetles to be successful in a wide range of habitats and to feed on different types of food sources.

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  • 38. 

    Damaging stage of white grub is 

    • Larva

    • Only adult 

    • Grub and adult 

    • Nymph and adult 

    Correct Answer
    A. Grub and adult 
    Explanation
    The damaging stage of white grub is the grub and adult. This means that both the larval stage (grub) and the adult stage of the white grub can cause damage. The larval stage typically feeds on the roots of plants, causing damage to the plant's root system. The adult stage, on the other hand, may feed on the foliage of plants, causing damage to the leaves. Therefore, both stages of the white grub can be harmful to plants.

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  • 39. 

    Trichograma japonicam is used mainly as bio control agent of which insect in rice

    • Rice case worm

    • Rice leaf folder 

    • Pink stem borer

    • BPH

    Correct Answer
    A. Rice leaf folder 
    Explanation
    Trichograma japonicum is primarily used as a bio control agent for the rice leaf folder. This insect is a major pest of rice crops, causing damage by feeding on the leaves and creating tunnels. Trichograma japonicum is a type of parasitic wasp that lays its eggs inside the eggs of the rice leaf folder, preventing them from hatching and reducing the population of this pest. By targeting the rice leaf folder, Trichograma japonicum helps to protect rice crops and improve yield.

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  • 40. 

    Corn stunt in maize is caused by

    • Phytoplasma

    • Virus 

    • Bacteria 

    • Fungi

    Correct Answer
    A. Phytoplasma
    Explanation
    Corn stunt in maize is caused by phytoplasma. Phytoplasma is a type of bacteria that infects plants and causes various diseases, including corn stunt. This bacterium is transmitted by insects, such as leafhoppers, which feed on infected plants and then transfer the bacteria to healthy plants. Once infected, the corn plants exhibit stunted growth, yellowing or reddening of leaves, and reduced yield. Therefore, phytoplasma is the correct answer for the cause of corn stunt in maize.

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  • 41. 

    A mammalian skin disease that result in scabs hair loss and itching is

    • Mange

    • Chagas disease 

    • Typhoid

    • Bubonic plaque

    Correct Answer
    A. Mange
    Explanation
    Mange is a skin disease commonly found in mammals that causes scabs, hair loss, and itching. It is caused by mites that burrow into the skin, leading to inflammation and irritation. The mites can spread easily between animals through direct contact or contaminated objects. Mange is particularly common in domestic animals such as dogs and cats, but it can also affect wild animals. Prompt treatment is necessary to prevent the condition from worsening and to alleviate the discomfort experienced by the affected animal.

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  • 42. 

    Fever headache and rashes are common symptoms of 

    • Bacillary dysentery 

    • Typhus fever

    • Chickengunia 

    • Malaria

    Correct Answer
    A. Typhus fever
    Explanation
    Fever, headache, and rashes are common symptoms of typhus fever. Typhus fever is a bacterial infection caused by the Rickettsia bacteria. It is transmitted to humans through the bites of infected fleas, lice, or ticks. The symptoms typically include high fever, severe headache, body aches, and a characteristic rash. Other symptoms may include chills, muscle pain, fatigue, and abdominal pain. If left untreated, typhus fever can lead to serious complications and even death. Therefore, it is important to seek medical attention if these symptoms are present.

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  • 43. 

    Chewing cutting type of mouth parts are found in

    • Cotton leaf roller 

    • Cotton jassid

    • Mustard aphid

    • Army worm

    Correct Answer
    A. Army worm
    Explanation
    Chewing cutting type of mouth parts are found in the Army worm. This type of mouth parts allows the Army worm to chew and cut through plant tissues, enabling it to feed on leaves and other plant parts. The other options, such as Cotton leaf roller, Cotton jassid, and Mustard aphid, may have different types of mouth parts that are not specifically adapted for chewing and cutting.

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  • 44. 

    Each of the following statement concerning kala azar is correct except 

    • Kala azar is caused by leishmania donovani

    • Kala azar is transmitted by the bite of sand flies

    • Kala azar occurs primarily in the rural latin America

    • Kala azar can be diagnosed by finding amastigotes in bone marrow

    Correct Answer
    A. Kala azar occurs primarily in the rural latin America
  • 45. 

    The rice disease tungro is associated with

    • BPH

    • White backed plant hopper 

    • Green leaf hoppers 

    • Rice blue leaf hoppers 

    Correct Answer
    A. Green leaf hoppers 
    Explanation
    Tungro disease is a viral disease that affects rice plants. It is transmitted by insect vectors, specifically green leafhoppers. These leafhoppers feed on infected plants and then transmit the virus to healthy plants, causing them to develop tungro disease. Therefore, the correct answer is green leafhoppers.

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  • 46. 

    Man is definitive host and mosquito is intermediate host in

    • Malaria 

    • Filariasis

    • Japanese encephalitis 

    • Dangue

    Correct Answer
    A. Filariasis
    Explanation
    Filariasis is a parasitic disease caused by filarial worms. In the life cycle of filariasis, the definitive host is the human (man) and the intermediate host is the mosquito. The mosquito acts as a vector, transmitting the infective larvae of the filarial worms to humans through its bite. Once inside the human body, the larvae develop into adult worms, causing various symptoms and complications. Therefore, the given answer correctly identifies the roles of man as the definitive host and mosquito as the intermediate host in the transmission of filariasis.

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  • 47. 

    Leaf curl of tobacco is caused by 

    • Thrips

    • White fly 

    • Jassid aphid

    • Sand fly

    Correct Answer
    A. White fly 
    Explanation
    White fly is the correct answer because leaf curl of tobacco is a common symptom of white fly infestation. White flies are small, winged insects that feed on the sap of plants, including tobacco plants. They secrete a sticky substance called honeydew, which can lead to the growth of black sooty mold on the leaves. The feeding activity of white flies can cause distortion, curling, and yellowing of the leaves, which are characteristic symptoms of leaf curl in tobacco plants. Thrips, jassid aphids, and sand flies are not typically associated with leaf curl in tobacco.

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  • 48. 

    According to national malaria policy 2013 pregnant women in first trimester heaving uncomplicated falciparum malaria have to be treated with 

    • Arsenate

    • Quinine

    • Chloroquine 

    • ACT

    Correct Answer
    A. Arsenate
    Explanation
    The correct answer is Arsenate. According to the national malaria policy of 2013, pregnant women in the first trimester with uncomplicated falciparum malaria should be treated with Arsenate. This treatment is specific to this particular group of patients and is recommended to ensure the safety and effectiveness of the treatment. Arsenate is chosen based on its efficacy and safety profile for pregnant women in the first trimester.

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  • 49. 

    Each of the following statement is correct concerning malaria except 

    • Female anopheles mosquito is vector 

    • Early infections sporozoites enters hapatocytes

    • Release of merozoites in red blood cells causes fever and chill

    • The principle site of gametocyte formation is human gastrointestinal tract

    Correct Answer
    A. The principle site of gametocyte formation is human gastrointestinal tract
    Explanation
    The correct answer is "The principle site of gametocyte formation is human gastrointestinal tract". This statement is incorrect because the principle site of gametocyte formation in malaria is actually the human bone marrow and spleen, not the gastrointestinal tract. Gametocytes are the sexual form of the malaria parasite that can be taken up by mosquitoes during a blood meal and then go on to infect other individuals.

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Quiz Review Timeline (Updated): Jan 20, 2023 +

Our quizzes are rigorously reviewed, monitored and continuously updated by our expert board to maintain accuracy, relevance, and timeliness.

  • Current Version
  • Jan 20, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Jun 02, 2020
    Quiz Created by
    Jay Rathore

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