General Quiz First Secondary On Genetics And Classification

42 Questions | Total Attempts: 158

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General Quiz First Secondary On Genetics And Classification

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Questions and Answers
  • 1. 
    All persons with the following blood groups may produce a child with a blood group O-ve except:
    • A. 

      A+ve

    • B. 

      B-ve

    • C. 

      AB-ve

    • D. 

      O-ve

  • 2. 
    The mammal that does not give birth but lays eggs and incubates them is:
    • A. 

      Armadillo

    • B. 

      Spiny ant eater

    • C. 

      Hedgehog

    • D. 

      Whale

  • 3. 
    Lamprey belongs to class:
    • A. 

      Reptilia

    • B. 

      Chondrichthyes

    • C. 

      Agnatha

    • D. 

      Ostichthyes

  • 4. 
    The three pairs of genes responsible for the presence of Rhesus factor antigens are located on ............ pair(s) of chromosomes
    • A. 

      One

    • B. 

      Two

    • C. 

      Three

    • D. 

      Four

  • 5. 
    ............. is a parasite that causes human malaria
    • A. 

      Plasmodium

    • B. 

      Euglena

    • C. 

      Paramecium

    • D. 

      Amoeba

  • 6. 
    The flowers in Antirrhinum plant have ........... different colours
    • A. 

      Two

    • B. 

      Three

    • C. 

      Four

    • D. 

      Five

  • 7. 
    Sea star belongs to phylum
    • A. 

      Echinodermata

    • B. 

      Mollusca

    • C. 

      Cnidaria

    • D. 

      Porifera

  • 8. 
    The gene is made up of a sequence of .........
    • A. 

      DNA

    • B. 

      Nucleotides

    • C. 

      Amino acids

    • D. 

      Cromosomes

  • 9. 
    Class sarcodina is characterized by having .......................
    • A. 

      Cilia

    • B. 

      Pseudopdia

    • C. 

      Flagella

    • D. 

      No organs of locomotion

  • 10. 
    Repetitive sequences of genetic material are impossible to be similar in two individuals unless they are ............
    • A. 

      Fraternal twins

    • B. 

      Mother and her daughter

    • C. 

      Father and his son

    • D. 

      Identical twins

  • 11. 
    Inheritance of blood groups in human is a case known as .............
    • A. 

      Lack of dominance

    • B. 

      Complete dominance

    • C. 

      Multiple alleles

    • D. 

      All of the previous

  • 12. 
    ................... is an example of mollusca
    • A. 

      Scolopendra

    • B. 

      Oyster

    • C. 

      Riccia

    • D. 

      Amoeba

  • 13. 
    From the sex-limited trait there is ...........
    • A. 

      Laying eggs in birds

    • B. 

      Haemophilia

    • C. 

      Mongolism

    • D. 

      Genetic baldness

  • 14. 
    The ............. comprises all the genes found in the nucleus of each somatic cell
    • A. 

      Genome

    • B. 

      DNA-typing

    • C. 

      Genetic finger print

    • D. 

      Repetitive sequence of DNA

  • 15. 
    All of the following belong to order rodentia except ..............
    • A. 

      Rat

    • B. 

      Gerboa

    • C. 

      Rabbit

    • D. 

      Squirel

  • 16. 
    A haemophyliac father can't inherit the disease to 
    • A. 

      His first daughter

    • B. 

      His son

    • C. 

      His second daughter

    • D. 

      His third daughter

  • 17. 
    The most developed living organism among the following is ...............
    • A. 

      Dinoflagellates

    • B. 

      Chlamydomonas

    • C. 

      Euglena

    • D. 

      Trypanosoma

  • 18. 
    The individual of a genotype (AABb) produces the gamete (aB) in a ratio of ............ %
    • A. 

      25

    • B. 

      50

    • C. 

      Zero

    • D. 

      100

  • 19. 
    .............. are from the warm-blooded animals
    • A. 

      Mammals

    • B. 

      Fishes

    • C. 

      Amphibians

    • D. 

      Reptiles

  • 20. 
    In human, sex chromosomes come after the ............. pair in size
    • A. 

      Eighth

    • B. 

      Ninth

    • C. 

      Sixth

    • D. 

      Seventh

  • 21. 
    The chromosome is composed of .........
    • A. 

      DNA and RNA

    • B. 

      DNA and protein

    • C. 

      RNA and polysaccharides

    • D. 

      DNA and lipids

  • 22. 
    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 
    • A. 

      Sex linked trait

    • B. 

      Sex influenced trait

    • C. 

      Sex limited trait

    • D. 

      Recessive lethal genes

  • 23. 
    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 ------------
    • A. 

      Black

    • B. 

      White

    • C. 

      Red

    • D. 

      Mixing between black and white

  • 24. 
    A kingdom where its members consist of filaments called hyphae
    • A. 

      Protista

    • B. 

      Monera

    • C. 

      Planta

    • D. 

      Fungi

  • 25. 
    A fish where its gills are covered by an operculum ----
    • A. 

      Shark

    • B. 

      Dolphin

    • C. 

      Ray fish

    • D. 

      Bolti fish

  • 26. 
    The ratio 2 : 1 represents a genetic case called ------
    • A. 

      Doninant lethal genes

    • B. 

      Recessive lethal genes

    • C. 

      Sex- linked trait

    • D. 

      Complementary genes

  • 27. 
    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      
    • A. 

      Sarcodina

    • B. 

      Sporozoa

    • C. 

      Ciliophora

    • D. 

      Flagelata

  • 28. 
    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?
    • A. 

      Arthropoda

    • B. 

      Mollusca

    • C. 

      Chordata

    • D. 

      Annelida

  • 29. 
    • A. 

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

    • B. 

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

    • C. 

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

    • D. 

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

  • 30. 
    • A. 

      Eukaryotic

    • B. 

      Heterotrophic

    • C. 

      Live in dry environments

    • D. 

      Multicellular

  • 31. 
    Which organisms represent the common ancestor of all photosynthetic plastids found in eukaryotes?
    • A. 

      Euglena

    • B. 

      Diatoms

    • C. 

      Dinoflagellates

    • D. 

      Cyanobacteria

  • 32. 
    If you were creating a classification key for a group of animals found on an island, which question would not separate turtles and birds?
    • A. 

      Does the animal have feathers?

    • B. 

      Does the animal lay eggs?

    • C. 

      Does the animal have a shell?

    • D. 

      Is the animal warm-blooded?

  • 33. 
    These two animals share one of the following characteristics ---
    • A. 

      Compound eyes

    • B. 

      The Body consists of two regions

    • C. 

      Reproduce by regeneration

    • D. 

      Breathe by means of tracheoles or lung books

  • 34. 
    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?
    • A. 

      Female with a triple-X syndrome

    • B. 

      Male with a Down's syndrome.

    • C. 

      Male with a Klinefelter syndrome

    • D. 

      Male with XYY syndrome.

    • E. 

      All of the above.

  • 35. 
    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?
    • A. 

      20 oC

    • B. 

      30 oC

    • C. 

      25 oC

    • D. 

      Fluctuates between 20 oC - 30 oC

  • 36. 
    • A. 

      The dominant trait is lethal in its homozygous form.

    • B. 

      The trait forms sterile progeny.

    • C. 

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

    • D. 

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

  • 37. 
    A male can transmit short sightedness condition to another male through .....
    • A. 

      His daughter

    • B. 

      Blood transfusion

    • C. 

      His breath

    • D. 

      Surgical operation

  • 38. 
    Dinoflagellates are phytoplanktons with ________
    • A. 

      Tentacles

    • B. 

      Bilateral symmetry

    • C. 

      Stinging cells

    • D. 

      Green pigments

  • 39. 
    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 ......
    • A. 

      Echinodermata

    • B. 

      Porifera

    • C. 

      Mollusca

    • D. 

      Cnidaria

  • 40. 
    Which of the following sentences doesn't suit the inheritance of milk production in mammals?
    • A. 

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

    • B. 

      Both male and female mammals have mammary glands.

    • C. 

      Genetic factors of milk production are similar in both sexes.

    • D. 

      Male sex hormones inhibit the action of gene.

  • 41. 
    What will be the ratio obtained from a dihybrid cross of two tall pea plants having pink flowers?
    • A. 

      1:2:1

    • B. 

      3:1

    • C. 

      9:3:3:1

    • D. 

      9:7