Animal Kingdom Xi Bio
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Which of the following phyla has largest number of species?
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Annelid
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Coelenterata
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Arthropoda
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Echinodermata
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Test should be taken after revision of all chapters in animal kingdom from Porifera to Vertebrata.
All questions carry equal marks.
Answer with any one choice.
1/4 negative marking.
Time taken should not be more than 15 mins.
Best of Luck!
(29).webp "Animal Kingdom Xi Bio - Quiz")
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- 2.
Which was the first animal to go into space?
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Cat
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Monkey
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Dog
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Ape
Correct Answer
A. DogExplanation
The correct answer is Dog. The first animal to go into space was a Soviet space dog named Laika. She was launched aboard the spacecraft Sputnik 2 on November 3, 1957. However, it is important to note that Laika did not survive the mission as there were no plans for a safe return to Earth at that time. Her sacrifice paved the way for human space exploration.Rate this question:
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- 3.
Which creatures are the direct or indirect food of all the creatures on the ocean’s surface?
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Protozoans
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Plankton
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Fish
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Aquatic insects
Correct Answer
A. PlanktonExplanation
Plankton are the correct answer because they are the primary producers in the ocean's food chain and form the base of the food web. They are consumed by a wide range of organisms, including fish, aquatic insects, and other larger creatures. Therefore, all the creatures on the ocean's surface, whether directly or indirectly, rely on plankton as a food source.Rate this question:
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- 4.
Science that deals with the study of external form, size, colour, structure and relative position of various parts of an organism is known as
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Anatomy
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Morphology
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Entomology
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Histology
Correct Answer
A. MorphologyExplanation
Morphology is the correct answer because it is the science that deals with the study of external form, size, color, structure, and relative position of various parts of an organism. It focuses on the physical characteristics and appearance of organisms, including their shape, arrangement of body parts, and overall structure. Anatomy also deals with the study of the structure of organisms, but it specifically focuses on the internal structure and organization of body parts. Entomology is the study of insects, and histology is the study of tissues.Rate this question:
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- 5.
The body cavity of coelomates is lined by
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Mesoderm
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Ectoderm
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Endoderm
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Protoplasm
Correct Answer
A. MesodermExplanation
In coelomates, the body cavity is lined by mesoderm. Mesoderm is one of the three primary germ layers in the developing embryo, and it gives rise to various structures including muscles, bones, connective tissues, and the lining of the body cavity. The mesoderm forms a protective layer around the internal organs, providing support and allowing for movement. This lining helps to separate the organs from the outer body wall and other structures, maintaining their position and preventing friction between them.Rate this question:
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- 6.
Which one of the following statements about certain given animals is correct?
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Flat worms (Platyhelminthes) are coelomates
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Round worms (Aschelminthes) are pseudocoelomates
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Molluscs are acoelomates
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Insects are pseudocoelomates
Correct Answer
A. Round worms (Aschelminthes) are pseudocoelomatesExplanation
Round worms (Aschelminthes) are pseudocoelomates. Pseudocoelomates have a body cavity called a pseudocoelom, which is not completely lined by mesoderm. Round worms have a pseudocoelom, which is a fluid-filled body cavity that is not fully lined by mesoderm. This distinguishes them from coelomates like flat worms (Platyhelminthes), which have a true coelom, a body cavity completely lined by mesoderm. Molluscs are acoelomates, meaning they lack a body cavity, and insects are also pseudocoelomates, like round worms.Rate this question:
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- 7.
Majority members of which of the following phyla are parasitic ?
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Moliusca
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Annelida
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Nematheiminthes
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Echinodermata
Correct Answer
A. NematheiminthesExplanation
Nematheiminthes, also known as roundworms, are the majority members of the phylum that are parasitic. They are known to infect a wide range of organisms including humans, animals, and plants. These parasites can cause various diseases and health issues in their hosts. Unlike other phyla mentioned in the question, such as Mollusca, Annelida, and Echinodermata, which have both parasitic and non-parasitic members, Nematheiminthes are predominantly parasitic in nature.Rate this question:
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- 8.
Schizocoelomates and enterocoelomates are
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Acoelomates
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Invertebrates
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True coelomates
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Endoderms only
Correct Answer
A. True coelomatesExplanation
Schizocoelomates and enterocoelomates are both examples of true coelomates. A true coelom is a body cavity that is completely lined by mesoderm tissue. In schizocoelomates, the coelom forms by splitting of the mesoderm, while in enterocoelomates, it forms as outpocketings of the archenteron. Both of these groups have a true coelom, distinguishing them from acoelomates, which lack a body cavity, and from endoderms only, which would only have an endoderm-lined cavity.Rate this question:
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- 9.
In the course of evolution, the true coelom appeared first in
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Aschelminthes
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Annelida
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Arthropoda
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Echinodermata
Correct Answer
A. AnnelidaExplanation
The true coelom, a fluid-filled body cavity completely lined with mesoderm, appeared first in annelida. Annelids are a phylum of segmented worms that have a well-developed coelom. This body cavity provides support, protection, and a space for organs to function efficiently. The presence of a true coelom is considered an advanced characteristic in evolution, and annelids were one of the early groups to develop this feature. Therefore, annelida is the correct answer.Rate this question:
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- 10.
Which one of the following features is found in chordates but not in nonchordates ?
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Gills
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Spiracles
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Postanai tail
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Chitinous exoskeleton
Correct Answer
A. Postanai tailExplanation
The postanal tail is a distinguishing feature of chordates, which is not found in nonchordates. This tail is present in the embryonic stage of chordates and may persist in some species into adulthood. It is a muscular structure located posterior to the anus and is involved in locomotion and balance. Nonchordates, on the other hand, do not possess this unique tail structure.Rate this question:
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- 11.
Karyotaxonomy is the modern branch of classification which is based on
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Number of chromosomes
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Bands found on chromosomes
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Organic Evolution
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Trinomial Nomenclature
Correct Answer
A. Number of chromosomesExplanation
Karyotaxonomy is the modern branch of classification that is based on the number of chromosomes. This means that organisms are classified and organized based on the specific number of chromosomes they possess. This is an important factor in determining the relationships and evolutionary history of different species. By studying the number of chromosomes, scientists can gain insights into genetic variations and patterns of inheritance.Rate this question:
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- 12.
Uricotelic mode of passing out nitrogenous wastes is found in
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Reptiles and Birds
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Birds and Annelids
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Amphibians and Reptiles
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Insects and Amphibians
Correct Answer
A. Reptiles and BirdsExplanation
The uricotelic mode of passing out nitrogenous wastes refers to the excretion of uric acid as the main nitrogenous waste product. This mode of excretion is found in reptiles and birds. Uric acid is a semi-solid waste that requires less water for its excretion, making it suitable for organisms that have limited access to water, such as reptiles and birds. This mode of excretion helps in conserving water and reducing the risk of dehydration in these animals.Rate this question:
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- 13.
In which phylum blood pigment is haemocyanin ?
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Echinodermata
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Moliusca
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Platyhelminthes
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Aschelminthes
Correct Answer
A. MoliuscaExplanation
The correct answer is moliusca because haemocyanin is a copper-based blood pigment that is found in the circulatory system of mollusks. This pigment is responsible for transporting oxygen throughout the body of mollusks.Rate this question:
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- 14.
The character that differentiates chordate from non-chordata is
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Dorsal tubular nerve cord
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Alimentary canal
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Bilateral symmetry
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Both (A) and (B)
Correct Answer
A. Dorsal tubular nerve cordExplanation
The character that differentiates chordates from non-chordates is the presence of a dorsal tubular nerve cord. This nerve cord is located along the dorsal (back) side of the body and serves as the main pathway for transmitting nerve impulses. Non-chordates, on the other hand, do not possess this specific feature. The presence of a dorsal tubular nerve cord is a defining characteristic of chordates and sets them apart from other animals.Rate this question:
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- 15.
The non-cellufar layer present between pinacoderm and choanoderm in body wall of poriferans is known as
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Mesoderm
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Middle lamellae
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Mesenchyme
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None of these
Correct Answer
A. MesenchymeExplanation
The non-cellular layer present between the pinacoderm and choanoderm in the body wall of poriferans is known as mesenchyme. Mesenchyme is a gelatinous matrix that contains various types of cells, including amoebocytes and sclerocytes. It provides structural support to the sponge and helps in the transportation of nutrients and waste products. This layer is important for the functioning and organization of the sponge's body.Rate this question:
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- 16.
Kanha National Park is located in ____and is famous for____
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Madhya Pradesh, elephant
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Madhya Pradesh, tiger
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Odisha, tiger
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Assam, elephant
Correct Answer
A. Madhya Pradesh, tigerExplanation
Kanha National Park is located in Madhya Pradesh and is famous for its tiger population. Madhya Pradesh is known for its rich biodiversity and is home to several national parks and wildlife sanctuaries. Kanha National Park is one of the largest and most well-known tiger reserves in India, providing a natural habitat for these majestic creatures. The park is renowned for its successful conservation efforts and is a popular destination for wildlife enthusiasts and photographers.Rate this question:
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- 17.
Read the following statements and select the correct option A Circulatory system in arthropods is of closed type B Parapodia in annelids help in swimming C Phylum Moliusca is the second largest animal phylum D Aschelminthes are dioecious
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A and C alone are wrong
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A alone is wrong
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C alone is wrong
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C and D alone are wrong
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D alone is wrong
Correct Answer
A. A alone is wrongExplanation
The correct answer is A alone is wrong. This is because statement A states that the circulatory system in arthropods is of closed type, which is incorrect. Arthropods have an open circulatory system, where the blood is not confined to blood vessels and flows freely through the body cavity.Rate this question:
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- 18.
Which of the following has correct specific name?
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Indica mangifera
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Leo Panthera
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Canis familiaris
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Ascaris
Correct Answer
A. Canis familiarisExplanation
The specific name "Canis familiaris" is correct because it follows the binomial nomenclature system used in taxonomy. In this system, the specific name is the second part of a species' scientific name and is always written in lowercase. "Canis familiaris" refers to the domestic dog, which is a well-known and widely recognized species. The other options do not follow the correct format for specific names or do not represent valid species.Rate this question:
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- 19.
In which of these animals, the antennal gland functions as excretory organ ?
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Human being
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Cockroach
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Planaria
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Prawn
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Earthworm
Correct Answer
A. PrawnExplanation
The antennal gland in a prawn functions as an excretory organ. This gland helps in removing waste products from the body and maintaining the osmotic balance. It filters the blood and removes nitrogenous waste in the form of ammonia. Therefore, prawns use their antennal gland to excrete waste and maintain homeostasis in their bodies.Rate this question:
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- 20.
In five kingdom system, the main basis of classification is
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Structure of nucleus
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Mode of nutrition
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Structure of ceil wall
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Asexual reproduction
Correct Answer
A. Structure of nucleusExplanation
The correct answer is "structure of nucleus." In the five kingdom system, the main basis of classification is the structure of the nucleus. The nucleus is a membrane-bound organelle that contains the genetic material of the cell. The structure of the nucleus can vary among different organisms and is used to categorize them into different kingdoms. This classification is important as it helps scientists understand the evolutionary relationships and characteristics of different organisms.Rate this question:
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- 21.
Tapeworms belong to which of the following groups?
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Trematoda
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Cestoda
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Annelida
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Nematoda
Correct Answer
A. CestodaExplanation
Tapeworms belong to the group Cestoda. Cestoda is a class of parasitic flatworms that have a long, segmented body. Tapeworms are characterized by their ability to attach themselves to the intestines of their hosts and absorb nutrients from them. They are known for their distinctive ribbon-like appearance and can cause various health issues in animals and humans.Rate this question:
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- 22.
In which book has Binomial Nomenclature been used for the first time ?
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Histoire Natureae
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Systerna Naturae
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Historia Naturaiis
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Historia Piantarium
Correct Answer
A. Histoire NatureaeExplanation
Binomial nomenclature, the system of naming species using two Latin words (genus and species), was first used in the book "Histoire Natureae."Rate this question:
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- 23.
Lateral symmetry is accompanied by
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Neoteny
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Metamerism
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Metamorphosis
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Cephalization
Correct Answer
A. CephalizationExplanation
Cephalization refers to the evolutionary process where organisms develop a distinct head region with sensory organs and a centralized nervous system. Lateral symmetry, on the other hand, is the arrangement of body parts in a way that they are mirrored on both sides of a central axis. The correct answer, cephalization, is the most logical choice as it is the only option that is related to the development of a distinct head region, which is not directly associated with lateral symmetry. Neoteny refers to the retention of juvenile characteristics in adult organisms, metamorphosis is the process of transformation from one stage to another, and metamerism refers to the repetition of body segments.Rate this question:
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