Competitive Exams: Zoology MCQs (Practice-Test 36 of 112)

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

    1. Alimentary canal with associated glands is absent in cestodes

    2. Epitoke and atoke are formed during breeding in Neanthes

    3. Mehlis gland is present in Fasciola but absent in Taenia

    4. Hexacanth larva loses its six hooks in the muscles of intermediate host

  2. Consider the following statements:

    1. In Rana tigrina, the Wolffian duct serves as urinary bladder in both sexes

    2. Spermatozoa are transferred through ‘Choacal kiss’ in Columba livia

    3. Metanephric kidney is present in

    Scoliodon and Rana

    Which of the statements given above is/are correct?

    1. 1and 2

    2. 2 and 3

    3. 2 only

    4. 3 only

  3. Consider the following statements:

    1. Oxytocin is a ‘milk ejection’ hormone

    2. Progesterone causes termination of pregnancy

    3. Relaxin causes strong contraction in uterine myometrium during parturition

    Which of the statements given above is/are correct?

    1. 1 only

    2. 2 and 3

    3. 3 only

    4. 1, 2 and 3

  4. Which one of the following snake has thermo sensors in the form of infrared receptors?

    1. Ophiophagus

    2. Naja

    3. Crotalus

    4. Pit-viper

  5. Consider the following statements:

    1. In Columba livia, scales are dermal in origin

    2. In Calotes versicolor, the scale are epidermal in origin

    Which of the following statements given above is/are correct?

    1. 1 only

    2. 2 only

    3. Both 1 and 2

    4. Neither 1 nor 2

  6. Which one of the following statements is correct?

    1. In Cables versicolor the teeth are heterodont

    2. The teeth of Cables Versicolor are used for mastication

    3. In Oryctolagus cuniculus the teeth are homodont

    4. Teeth are diphyodont in Oryctolagus cuniculus

  7. Consider the following statements:

    1. In Scoliodon, the spiracle contains minute gill lamellae forming a false gill and opens to the exterior just behind the eye.

    2. In the tadpole of Rana tigrina, the respiration is bronchial

    Which of the statements given above is/are correct?

    1. 1 only

    2. 2 only

    3. Both 1 and 2

    4. Neither 1 nor 2

  8. Consider the following statements:

    1. The right ovary in Columba livia is rudimentary

    2. In Oryctolagus cuniculus the urethra passes through the clitoris

    Which of the statements given above is/are correct?

    1. 1only

    2. 2 only

    3. Both 1 and 2

    4. Neither 1 nor 2

  9. The sheep Dolly was created by

    1. Nuclear transplantation

    2. Nuclear fusion

    3. Blast cyst fusion

    4. Oocyte transplantation

  10. Consider the following:

    1. Choriotis nigriceps.

    2. Gavialis gangetics

    Which of the above animals is/are Threatened Species?

    1. 1 only

    2. 2 only

    3. Both 1 and 2

    4. Neither 1 nor 2

  11. If the flux of a substance across a cell membrane is directly proportional to its concentration gradient, the transport process is called

    1. Facilitated diffusion

    2. Carrier-mediated transport

    3. Active transport

    4. Simple diffusion

  12. Which one of the following hormones is not produced by Pituitary gland?

    1. Prolactin

    2. Relaxin

    3. Vasopressin

    4. Oxytocin

  13. Match List I (Zoological name) with List II (Animal) and select the correct answer.

    List-I List-II
    1. Boselaphus tragocamelus

    2. Herpestes edwardsi

    3. Lepus ruficaudatus

    4. Presbytis entellus

    1. Nilgai

    2. Hare

    3. Langur

    4. Mongoose

    • A
    • B
    • C
    • D
      • 1
      • 2
      • 4
      • 3
      • 3
      • 4
      • 2
      • 1
      • 1
      • 4
      • 2
      • 3
      • 3
      • 2
      • 4
      • 1
  14. Buffers are chemical substances which are able to

    1. Bring about sudden change in pH

    2. ‘Bind’ free hydrogen ion or hydroxyl ion without change in pH

    3. Carry out rapid diffusion of substances across the membranes

    4. Carry out active transport of substances

  15. Which one of the following pairs is not correctly matched?

      • Olfactory nerve
      • Sensory
      • Abducens nerve
      • Motor
      • Trigeminal nerve
      • Mixed
      • Vagus nerve
      • Motor