Competitive Exams: Zoology MCQs (Practice-Test 35 of 112)

  1. Consider the following processes:

    1. Synthesis of tRNA

    2. Attachment of an amino acid to ATP

    3. Acetylation of amino acid attached to tRNA

    4. Transfer of an amino acid (without the adenyl group) to tRNA

    Which of the above is/are the functions of aminoacyl tRNA synthetase?

    1. 1, 2 and 3

    2. 1 and 3

    3. 2 and 4

    4. 4 only

  2. Consider the following characteristics of organisms:

    1. Presence of intracellular digestion

    2. Diploblastic body

    3. Possessing choanocytes

    Which of the above are characteristics of organisms of Porifera?

    1. 1 and 2

    2. 2 and 3

    3. 1, 2 and 3

    4. 1 and 3

  3. The zoological name of sea hare is

    1. Aplysia sp

    2. Aphrodite sp

    3. Chaetopterus sp

    4. Doris sp

  4. The protozoan Entamoeba belongs to the class

    1. Actinopodea

    2. Rhizopodea

    3. Haplosporea

    4. Telosporea

  5. Match List I (Locomotory organ) with List II (Organ ism) and select the correct answer

    List-I List-II
    1. Flagellum

    2. Pseudopodia

    3. Cilia

    4. Absence of locomotory organ

    1. Mastigamoeba

    2. Leishmania

    3. Balantidium

    4. Plasmodium

    • A
    • B
    • C
    • D
      • 1
      • 2
      • 3
      • 4
      • 1
      • 2
      • 4
      • 3
      • 2
      • 1
      • 3
      • 4
      • 2
      • 1
      • 4
      • 3
  6. Which one of the following pairs is correctly matched?

      • Connecting link between Annelida and Mollusca
      • Neopilina
      • Torsion phenomenon
      • Scaphopoda
      • Cephalopod with external shell
      • Octopus
      • Glochidium larva
      • Sepia
  7. Which one of the following statements regarding Taenia is correct?

    1. Taenia has fully developed alimentary canal

    2. It is metamerically segmented and has 400 − 450 proglottids

    3. It has two larval stages in its life cycle called hexacanth and cysticercus

    4. It has monodelphic genitalia

  8. Which one of the following is the free swimming larval stage of Fasciola?

    1. Sporocyst

    2. Redia

    3. Metacercaria

    4. Miracidium

  9. The larvel form of Nereis is called

    1. Tomaria

    2. Trochophore

    3. Alima

    4. Phyllosonia

  10. Among the following phyla which one has the highest number of species?

    1. Platyhelminthes

    2. Nematoda

    3. Mollusca

    4. Annelida

  11. Which one of the following male mammals lacks dentition, scrotal sac, and external pinna; and has functional mammary glands without teats?

    1. Didelphis

    2. Perameles

    3. Macaca

    4. Echidna

  12. Which one of the following statements is not correct?

    1. Contractile vacuole is present in all the marine amoebae

    2. Amoeba has no respiratory pigments

    3. The nutrition of Amoeba is holozoic

    4. In Amoeba, the by-products of oxidation of proteins are ammonia and carbon dioxide

  13. Medusa of Obelia is more advanced and its hydranth (Polyp) because

    1. It has 24 tentacles with sensory organs

    2. It exhibits the beginning of differentiation of nervous system

    3. It can also reproduce by budding and gemmule formation

    4. It has highly developed gastrodermis

  14. Which one of the following statements is correct?

    1. Contractile vacuole is absent in Giardia sp

    2. Entamoeba histolytica is transmitted in man by mouth contact

    3. Trypanosoma gambiense belongs to the order Haemosporidia

    4. Leishmania donovani is transmitted by

    Simulium sp

  15. Consider the following statements regarding Monocystis:

    1. Locomotion in Monocystis is due to contraction and relaxation of myonemes

    2. Monocystis is digenetic

    3. Monocystis is a parasite of earthworm

    4. Monocystis resembles Plasmodium in also having a trophazoite stage

    Which of the statements given above are correct?

    1. 1, 2, 3 and 4

    2. 1 and 4

    3. 2, 3 and 4

    4. 1, 3 and 4