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Zoology MCQs for NEET — Practice Questions with Answers

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Eyelashes in foetus are formed

A. By the end of 12 weeks B. By the end of 20 weeks C. By the end of 24 weeks D. By the end of 30 weeks

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Explanation

Page number-54, para-2

3.6 Pregnancy And Embryonic Development

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Foetal ejection reflex

A. Causes release of oxytocin from maternal pituitary B. Itself is a result of release of oxytocin from maternal pituitary C. Wild uterine contraction D. More than one option

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Explanation

Page number-54,

3.7 Parturition And Lactation, Para-1

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What does a doctor inject to induce delivery?

A. Oxytocin B. Estrogen C. Progesterone D. Combination of B and C

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Explanation

Page number-54,

3.7 Parturition And Lactation; para-1

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Lactation starts at

A. At the end of pregnancy B. At the end of first trimester C. During pregnancy D. Before parturition

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Explanation

Page number-54,

3.7 Parturition And Lactation; Para-2

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Colostrum has

A. Only one antibody B. Several antibodies C. Two antibodies D. Four antibodies

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Explanation

Page number-54,

3.7 Parturition And Lactation, para-2

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Breast feeding during initial period

A. Good for healthy baby B. Recommended by doctors C. Essential to develop resistance for the new-born babies. D. All of these

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Explanation

Page number-54,

3.7 Parturition And Lactation, Para-2

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Identify the incorrect statement regarding surgical birth control methods:

They are also called as "sterilization" procedures

In males vasectomy and in females tubectomy is advised

They are terminal methods to prevent any more pregnancies

These methods are hugely popular all over the world

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Explanation

Read page 62; XII NCERT

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ART [used to help infertile couples] stands for:

Assisted Reproductive Technologies

Artificial Reproductive Technologies

Augmented Reproductive Technologies

Anomalous Reproductive Technologies

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Explanation

Answer 1. Read page 64, XII NCERT

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Transfer of an ovum collected from a donor into the fallopian tube of another female is called as:

ZIFT

GIFT

SUZI

ICSI

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Explanation

Read page 64, XII NCERT

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Progesterone alone or in combination with estrogen can also be used as contraceptives by females as injections or implants under their skin. When used in this manner, they:

do not affect the release of the ovum

induce a foreign body reaction leading to rejection of the implanted blastocyst

can cause increased risk of ectopic pregnancy

have a much longer effective period

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Explanation

Answer 4. Read page 61, XII NCERT

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