NET, IAS, State-SET (KSET, WBSET, MPSET, etc.), GATE, CUET, Olympiads etc.: Zoology MCQs (Practice_Test 57 of 112)
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- Which one of the following acts as a precocious urinary bladder in which nitrogenous waste accumulates during the development of chick?
- Amnion
- Allantois
- Somatopleure
- Yolk sac
- Which one of the following statements is not correct?
- Ichthyosaurs had a dorsal fin that was supported by bone.
- Ichthyosaurs had both fore limbs and hind limbs.
- Ichthyosaurs gave birth to living young ones.
- Ichthyosaurs became extinct by the end of cretaceous period.
- Consider the following statements:
- Sus has deciduate placenta.
- Talpa has non-deciduate placenta.
- Which of the statements given above is⟋are correct?
- 1 only
- 2 only
- Both 1 and 2
- Neither 1 nor 2
- In the context of evolution of organisms, consider the following statements:
- Salivary glands in certain snakes have become modified into poison glands.
- Primates have developed a very large olfactory region in the brain with resultant strong sense of smell.
- Which of the statements given above is⟋are correct?
- 1 only
- 2 only
- Both 1and 2
- Neither 1 nor 2
- Match List-I with List-II and select the correct answer using the code given below the lists
Table Supporting: NET, IAS, State-SET (KSET, WBSET, MPSET, Etc.) , GATE, CUET, Olympiads Etc. : Zoology MCQs (Practice_Test 57 of 112) List-I List-II - Allopatric species
- Sibling species
- Sympatric species
- Parapatric species
- Species inhabiting the same geographical area
- Species inhabiting different geographical areas
- Species which are morphologically identical but reproductively isolated
- Species occupying separate areas that share a common boundary
- A
- B
- C
- D
- 2
- 1
- 3
- 4
- 2
- 3
- 1
- 4
- 1
- 2
- 3
- 4
- 1
- 3
- 2
- 4
- In which one of the following geological periods did the first birds appear?
- Permian
- Triassic
- Jurassic
- Cretaceous
- In the modern horse the weight of the body is sustained by which of the following?
- Second, third and fourth digits
- Third and fourth digits only
- Third digit only
- Second digit only
- Consider the following geological time periods:
- Cambrian
- Jurassic
- Permian
- Silurian
- Which one of the following is the correct chronological sequence of the above geological time periods?
- 1 − 4 − 3 − 2
- 1 − 4 − 2 − 3
- 4 − l − 3 − 2
- 4 − 3 − l − 2
- In the context of the evolution of man, who of the following left evidence of artistic ability in the form of drawings and paintings on the walls of caves?
- Cro-Magnon man
- Java-ape man
- Neanderthal man
- Peking man
- Which one of the following effects denitrification?
- Aerobacter
- Nitrosomonas
- Pseudomonas
- Thiobacillus
- With reference to estuary as ecosystem, consider the following statements:
- Estuaries are characteristically more productive than the adjacent river or sea.
- The higher the fluctuation of water level in the estuary, the higher is its productivity.
- Which of the statements given above is⟋are correct?
- 1 only
- 2 only
- Both 1 and 2
- Neither 1 nor 2
- Consider the following statements:
- Duodenum is absent in Scoliodon.
- Caecum is absent in Rana.
- Which of the statements given above is⟋are correct?
- 1 only
- 2 only
- Both 1 and 2
- Neither 1 nor 2
- Which one of the following pairs of mammals possesses oval shaped erythroeytes?
- Camels and Llamas
- Whales and Dolphins
- Seals and Walruses
- Pandas and Lorises
- Which pair of the embryonic arterial arches in amphibians and all the amniotes persists as the systemic arch in adults?
- Second
- Third
- Fourth
- Fifth
- Glucose is excreted in the urine in excess quantities when the function of which one of the following is impaired?
- Bowman՚s capsule
- Proximal convoluted tubule
- Loop of Henle
- Distal convoluted tubule