General Quiz First Secondary On Genetics And Classification

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General Quiz First Secondary On Genetics And Classification - Quiz

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  • 2. 

    The mammal that does not give birth but lays eggs and incubates them is:

    • Armadillo

    • Spiny ant eater

    • Hedgehog

    • Whale

    Correct Answer
    A. Spiny ant eater
  • 3. 

    The flowers in Antirrhinum plant have ........... different colours

    • Two

    • Three

    • Four

    • Five

    Correct Answer
    A. Three
  • 4. 

    Inheritance of blood groups in human is a case known as .............

    • Lack of dominance

    • Complete dominance

    • Multiple alleles

    • All of the previous

    Correct Answer
    A. All of the previous
  • 5. 

    ................... is an example of mollusca

    • Scolopendra

    • Oyster

    • Riccia

    • Amoeba

    Correct Answer
    A. Oyster
  • 6. 

    All of the following belong to order rodentia except ..............

    • Rat

    • Gerboa

    • Rabbit

    • Squirel

    Correct Answer
    A. Rabbit
  • 7. 

    The most developed living organism among the following is ...............

    • Dinoflagellates

    • Chlamydomonas

    • Euglena

    • Trypanosoma

    Correct Answer
    A. Chlamydomonas
  • 8. 

    The individual of a genotype (AABb) produces the gamete (aB) in a ratio of ............ %

    • 25

    • 50

    • Zero

    • 100

    Correct Answer
    A. Zero
  • 9. 

    In a certain strain of sheep, if a horned male sheep is crossed with a hornless female producing the following:                               In Males, 3 horned : 1 hornless                                                              while in Females, 3 hornless : 1 horned So this genetic case is a 

    • Sex linked trait

    • Sex influenced trait

    • Sex limited trait

    • Recessive lethal genes

    Correct Answer
    A. Sex influenced trait
  • 10. 

    In a certain strain of mammals, if a black male is crossed with a white female producing the following: Black female : Grey female : White male : Red male in a ratio 1 :1 : 1 : 1 So the recessive gene here is the ------------

    • Black

    • White

    • Red

    • Mixing between black and white

    Correct Answer
    A. Red
  • 11. 

    A kingdom where its members consist of filaments called hyphae

    • Protista

    • Monera

    • Planta

    • Fungi

    Correct Answer
    A. Fungi
  • 12. 

    A fish where its gills are covered by an operculum ----

    • Shark

    • Dolphin

    • Ray fish

    • Bolti fish

    Correct Answer
    A. Bolti fish
  • 13. 

    The ratio 2 : 1 represents a genetic case called ------

    • Doninant lethal genes

    • Recessive lethal genes

    • Sex- linked trait

    • Complementary genes

    Correct Answer
    A. Doninant lethal genes
  • 14. 
    According to diochotomous key, what is the class of the following organism in the figure, if you know that it belongs to phylum protozoa?         Question1- Does it possess pseudopodium? If Yes.....Class Sarcodina If No ....Go to Q.2           Question2- Does it possess flagella? If Yes  ....Class Flagellata If No ..... Go to Q.3          Question3- Does it move by cilia? If Yes ....Class Ciliophora If No.... Class Sporozoa       - ProProfs

    According to diochotomous key, what is the class of the following organism in the figure, if you know that it belongs to phylum protozoa?         Question1- Does it possess pseudopodium? If Yes.....Class Sarcodina If No ....Go to Q.2           Question2- Does it possess flagella? If Yes  ....Class Flagellata If No ..... Go to Q.3          Question3- Does it move by cilia? If Yes ....Class Ciliophora If No.... Class Sporozoa      

    • Sarcodina

    • Sporozoa

    • Ciliophora

    • Flagelata

    Correct Answer
    A. Ciliophora
  • 15. 

    On a rainy day, you notice a long, brown, bilaterally symmetric organism in your garden. This organism has a body that is divided into segments, from the head to the tail.Under which phylum will you classify the organism?

    • Arthropoda

    • Mollusca

    • Chordata

    • Annelida

    Correct Answer
    A. Annelida
  • 16. 

    Which of the following statements is INCORRECT.

    • In human males, there are 44 autosomes and a pair of homomorphic sex chromosomes.

    • In human females, there are 44 autosomes and a pair of homomorphic sex chromosomes.

    • In human males, there are 44 autosomes and a pair of heteromorphic sex chromosomes.

    • In humans, there are 44 autosomes and a pair of sex chromosomes.

    Correct Answer
    A. In human males, there are 44 autosomes and a pair of homomorphic sex chromosomes.
  • 17. 

    Which of the following is a shared characteristic of ALL protists?

    • Eukaryotic

    • Heterotrophic

    • Live in dry environments

    • Multicellular

    Correct Answer
    A. Eukaryotic
  • 18. 

    Which organisms represent the common ancestor of all photosynthetic plastids found in eukaryotes?

    • Euglena

    • Diatoms

    • Dinoflagellates

    • Cyanobacteria

    Correct Answer
    A. Cyanobacteria
  • 19. 

    If you were creating a classification key for a group of animals found on an island, which question would not separate turtles and birds?

    • Does the animal have feathers?

    • Does the animal lay eggs?

    • Does the animal have a shell?

    • Is the animal warm-blooded?

    Correct Answer
    A. Does the animal lay eggs?
  • 20. 
    These two animals share one of the following characteristics --- - ProProfs

    These two animals share one of the following characteristics ---

    • Compound eyes

    • The Body consists of two regions

    • Reproduce by regeneration

    • Breathe by means of tracheoles or lung books

    Correct Answer
    A. The Body consists of two regions
  • 21. 

    An error in cell division called non-disjunction results in the formation of reproductive cells with an abnormal number of chromosomes where they gain or lose one copy of a chromosome, and hence the resulting child will have an extra or a missing chromosome in each of the body’s cells. Which of the following cases has an extra chromosome?

    • Female with a triple-X syndrome

    • Male with a Down's syndrome.

    • Male with a Klinefelter syndrome

    • Male with XYY syndrome.

    • All of the above.

    Correct Answer
    A. All of the above.
  • 22. 
    The Manx cat is a breed of domestic cat which shows two phenotypes, a tail-lessness cats and cats with standard tails. The tail-lessness trait is dominant over the other one with standard tails. A cross between two Manx cats yields a phenotypic ratio of 2: 1. What is the best explanation? - ProProfs

    The Manx cat is a breed of domestic cat which shows two phenotypes, a tail-lessness cats and cats with standard tails. The tail-lessness trait is dominant over the other one with standard tails. A cross between two Manx cats yields a phenotypic ratio of 2: 1. What is the best explanation?

    • The dominant trait is lethal in its homozygous form.

    • The trait forms sterile progeny.

    • Either the dominant or the recessive allele in its homozygous form is lethal.

    • The recessive allele for the trait is lethal in its homozygous form.

    Correct Answer
    A. The dominant trait is lethal in its homozygous form.
  • 23. 

    Dinoflagellates are phytoplanktons with ________

    • Tentacles

    • Bilateral symmetry

    • Stinging cells

    • Green pigments

    Correct Answer
    A. Green pigments
  • 24. 

    While snorkeling, a student observes an active marine animal that has a series of muscular arms bearing suckers associated with its head. Segmentation is not observed, but a pair of large well developed eyes is evident. The student is observing an animal belonging to ......

    • Echinodermata

    • Porifera

    • Mollusca

    • Cnidaria

    Correct Answer
    A. Mollusca
  • 25. 

    All persons with the following blood groups may produce a child with a blood group O-ve except:

    • A+ve

    • B-ve

    • AB-ve

    • O-ve

    Correct Answer
    A. AB-ve
  • 26. 

    Sea star belongs to phylum

    • Echinodermata

    • Mollusca

    • Cnidaria

    • Porifera

    Correct Answer
    A. Echinodermata
  • 27. 

    The gene is made up of a sequence of .........

    • DNA

    • Nucleotides

    • Amino acids

    • Cromosomes

    Correct Answer
    A. Nucleotides
  • 28. 

    Class sarcodina is characterized by having .......................

    • Cilia

    • Pseudopdia

    • Flagella

    • No organs of locomotion

    Correct Answer
    A. Pseudopdia
  • 29. 

    The ............. comprises all the genes found in the nucleus of each somatic cell

    • Genome

    • DNA-typing

    • Genetic finger print

    • Repetitive sequence of DNA

    Correct Answer
    A. Genome
  • 30. 

    A haemophyliac father can't inherit the disease to 

    • His first daughter

    • His son

    • His second daughter

    • His third daughter

    Correct Answer
    A. His son
  • 31. 

    .............. are from the warm-blooded animals

    • Mammals

    • Fishes

    • Amphibians

    • Reptiles

    Correct Answer
    A. Mammals
  • 32. 

    In human, sex chromosomes come after the ............. pair in size

    • Eighth

    • Ninth

    • Sixth

    • Seventh

    Correct Answer
    A. Seventh
  • 33. 

    The chromosome is composed of .........

    • DNA and RNA

    • DNA and protein

    • RNA and polysaccharides

    • DNA and lipids

    Correct Answer
    A. DNA and protein
  • 34. 

    Lamprey belongs to class:

    • Reptilia

    • Chondrichthyes

    • Agnatha

    • Ostichthyes

    Correct Answer
    A. Agnatha
  • 35. 

    The three pairs of genes responsible for the presence of Rhesus factor antigens are located on ............ pair(s) of chromosomes

    • One

    • Two

    • Three

    • Four

    Correct Answer
    A. One
  • 36. 

    A male can transmit short sightedness condition to another male through .....

    • His daughter

    • Blood transfusion

    • His breath

    • Surgical operation

    Correct Answer
    A. His daughter
  • 37. 

    ............. is a parasite that causes human malaria

    • Plasmodium

    • Euglena

    • Paramecium

    • Amoeba

    Correct Answer
    A. Plasmodium
  • 38. 

    Repetitive sequences of genetic material are impossible to be similar in two individuals unless they are ............

    • Fraternal twins

    • Mother and her daughter

    • Father and his son

    • Identical twins

    Correct Answer
    A. Identical twins
  • 39. 

    From the sex-limited trait there is ...........

    • Laying eggs in birds

    • Haemophilia

    • Mongolism

    • Genetic baldness

    Correct Answer
    A. Laying eggs in birds
  • 40. 

    A frog with body temperature of 20 oC is transferred to an area with 30 oC temperature. What will be the body temperature of frog in the new environment?

    • 20 oC

    • 30 oC

    • 25 oC

    • Fluctuates between 20 oC - 30 oC

    Correct Answer
    A. 30 oC
  • 41. 

    Which of the following sentences doesn't suit the inheritance of milk production in mammals?

    • Rate of gene activity has no relation with the sex of the organism.

    • Both male and female mammals have mammary glands.

    • Genetic factors of milk production are similar in both sexes.

    • Male sex hormones inhibit the action of gene.

    Correct Answer
    A. Rate of gene activity has no relation with the sex of the organism.
  • 42. 

    What will be the ratio obtained from a dihybrid cross of two tall pea plants having pink flowers?

    • 1:2:1

    • 3:1

    • 9:3:3:1

    • 9:7

    Correct Answer
    A. 9:3:3:1
  • 43. 

    If there is a sex influenced trait that is more expressed in males, then which of the following is false?

    • Only male having a homozygous recessive form of this gene will not express it.

    • No female will express the gene.

    • The gene is autosomal.

    • Heterozygous female will not express this gene.

    Correct Answer
    A. No female will express the gene.
  • 44. 
    In the following pedigree, (R) is the gene for milk production, square shape is a male , circle shape is a female. Also shaded shapes mean the appearance of the character while unshaded shapes mean non-appearance of the character. If you know that the genotype of the member number (1) is rr so what is the genotype of number (5)? - ProProfs

    In the following pedigree, (R) is the gene for milk production, square shape is a male , circle shape is a female. Also shaded shapes mean the appearance of the character while unshaded shapes mean non-appearance of the character. If you know that the genotype of the member number (1) is rr so what is the genotype of number (5)?

    • RR

    • Rr

    • Rr

    • None of the above

    Correct Answer
    A. Rr
  • 45. 

    Origin and evolution of sex in algae is best seen in ………

    • Blue-green algae

    • Green algae

    • Red algae

    • Brown algae

    Correct Answer
    A. Green algae
  • 46. 

    What is the shape of chloroplast in Chlamydomonas?

    • Cup-shaped

    • Spiral-shaped

    • Stellate (radiating pattern like a star)

    • Collar-shaped (like the chain around the neck)

    Correct Answer
    A. Cup-shaped
  • 47. 

    Which of the following statements is true of sex chromosome abnormalities in humans?

    • They usually have mild effects and rarely are fatal.

    • Most are not gender specific.

    • They cannot be diagnosed before birth.

    • All of these.

    Correct Answer
    A. They usually have mild effects and rarely are fatal.
  • 48. 

    Unlike Algae, Euglena .......

    • Do not have pigments.

    • Can move from place to place.

    • Can be heterotrophic under certain conditions.

    • Can make their own food.

    Correct Answer
    A. Can be heterotrophic under certain conditions.
  • 49. 
    Which of the following graphs shows the effect of the chlorophyll gene on a plant during day light hours (from sunrise to sunset)? - ProProfs

    Which of the following graphs shows the effect of the chlorophyll gene on a plant during day light hours (from sunrise to sunset)?

    • (A)

    • (B)

    • (C)

    • (D)

    Correct Answer
    A. (C)

Quiz Review Timeline (Updated): Mar 22, 2022 +

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

  • Current Version
  • Mar 22, 2022
    Quiz Edited by
    ProProfs Editorial Team
  • Feb 06, 2019
    Quiz Created by
    Samy

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