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A completely four-chambered heart is pre...

A completely four-chambered heart is present in

A

all reptiles. all birds and all mammals

B

Some reptiles , all birds and all .mammals

C

no reptiles , all birds and all mammals

D

Some reptiles, some birds and all mammals

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The correct Answer is:
B
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NTA MOCK TESTS-NTA NEET SET 87-BIOLOGY
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  2. Mark the correct option w.r.t rate of reaction.

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  3. A completely four-chambered heart is present in

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  4. Wheezing occurs in

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  5. How many chromosomes will the diploid cell have at G.. after S and aft...

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  6. Which cell organelle is absent in the leaves of onion ?

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  7. The releasing hormones are produced by

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  8. Neural canal is located in

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  9. Read the following statements and select the correct option. (i) Inc...

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  10. Antibody molecule is Y shaped. The two tips of this Y shaped molecule ...

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  11. The first meiotic division during oogenesis is completed at the stage ...

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  12. Family planning was initiated in ……...(A) ……...to attain ……...(B)….......

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  13. In which of the following organisms, self-fertilization is seen?

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  14. A person with chronic kidney failure will have

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  15. The nerve impulses are transmitted by the optic nerves to the ... area...

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  16. Which of the following is the one common feature found in all types of...

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  17. Enzymes that catalyse the removal of groups from the substrates by a m...

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  18. Which of the following subcellular structures cannot be isolated ?

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  19. The hormones that initiate ejection of milk, stimulates mile productio...

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  20. Choose the correct match from the following .

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