Competitive Exams: Zoology MCQs (Practice-Test 54 of 112)

  1. The water vascular system in echinoderms is known to consist of the following structures. But in Asterias, which one of them is absent?

    1. Ring canal

    2. Madreporite

    3. Polian vesicles

    4. Stone canal

  2. Acoelous centrum is found in which one of the following?

    1. Amphibia

    2. Reptiles

    3. Ayes

    4. Mammals

  3. The fish is able to face the water flow in darkness or in turbid condition and when no landmarks are visible, it maintains its position without being constantly carried downstream or away with flowing tides and currents. Which one of the following helps it in this situation?

    1. Weberian ossicles

    2. Pit organs

    3. Ampulla of Lorenzini

    4. Lateral line sense organ

  4. In some vertebrates, the right and left systemic arches cross and communicate with one another through an aperture, known as

    1. Foramen of Panizzae

    2. Foramen of Monro

    3. Foramen of Magendie

    4. Atrial aperture

  5. Which one of the following. Pairs is correctly matched?

      • Scoliodon
      • Acoelous vertebrae
      • Rana
      • Procoelous vertebrae
      • Calotes
      • Heterocoelous vertebrae
      • Oryctolagus
      • Amphicoelous vertebrae
  6. Cytochromes are a group of molecules belonging to which one of the following?

    1. Pyrimidine nucleotide

    2. Riboflavin containing nucleotide

    3. Iron porphyrin

    4. Metal containing flavoprotein

  7. Circadian rhythm is a biological rhythm involving which one of the following?

    1. Exactly 24 hours

    2. About 24 hours

    3. 15 days corresponding full moon and new moon

    4. 30 days corresponding full moon

  8. Consider the following statements Eutrophication of lakes results in

    1. increase in species richness

    2. increase in detritus content

    3. increase in nitrate content

    Which, of the statements given above are correct?

    1. 1, 2 and 3

    2. 1 and 2 only

    3. 2 and 3 only

    4. 3 only

  9. Match List-I with. List-II and select the correct answer using the code given below the lists

    List-I (Zoological Name) List-II (Animal)
    1. Presbytis entellus

    2. Presbytis johni

    3. Presbytis pileatus

    4. Presbytis geei

    1. Nilgiri Langur

    2. Common Langur

    3. (Hanuman Langur) Capped Langur

    4. Golden Langur

    • A
    • B
    • C
    • D
      • 2
      • 1
      • 3
      • 4
      • 2
      • 3
      • 1
      • 4
      • 4
      • 3
      • 1
      • 2
      • 4
      • 1
      • 3
      • 2
  10. Which one of the following statements is not correct?

    1. India is the only country where Cervus duvaucell, duvauceli

    2. Cervus unicolor niger is the largest deer found in India

    3. Only the females of Moschus moschus moschiferus carry the musk

    4. Antelope cervicapra can run with a speed of more than 60 km per hour

  11. Consider the following protected areas:

    1. Indravati

    2. Melghat

    3. Periyar

    4. Valmiki

    Which of the above are the Project Tiger

    Reserves in India?

    1. 1 and 2

    2. 1, 3 and 4

    3. 2, 3 and 4

    4. 1, 2, 3 and 4

  12. Which one of the following is an example of ex situ conservation?

    1. Sanctuary

    2. National Park

    3. Biosphere Reserve

    4. Zoological Park

  13. Match List-I with List-II and select the correct answer using the code given below the lists:

    List-I (Human hereditary condition) List-II (Enzyme lost or deficient)
    1. Alkaptonuria

    2. Huntington's Chorea

    3. Cretinism Tay-Sachs disease

    1. β-D-N acetyl hexoaminidase A

    2. Glutamine acid decarboxylase

    3. Homogentisic acid oxidase

    4. Iodotyrosine deiodinase

    • A
    • B
    • C
    • D
      • 1
      • 4
      • 2
      • 3
      • 1
      • 2
      • 4
      • 3
      • 3
      • 4
      • 2
      • 1
      • 3
      • 2
      • 4
      • 1
  14. Consider the following statements:

    1. In mitochondria, succinate dehydrogenase is located in outer membrane.

    2. Mitochondria have their own separate protein synthesizing machinery independent of nuclear control.

    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

  15. Match List-I with List-II and select the correct answer using the code given below the lists

    List-I (Type of Egg) List-II (Group of animals)
    1. Isolecithal

    2. Moderately telolecithal

    3. Highly tetolecithal

    4. Centrolecithal

    1. Amphibia

    2. Cephalochordata

    3. Insects

    4. Bony fishes

    • A
    • B
    • C
    • D
      • 2
      • 4
      • 1
      • 3
      • 2
      • 1
      • 4
      • 3
      • 3
      • 4
      • 1
      • 2
      • 3
      • 1
      • 4
      • 2