Assertion (A): | Breast-feeding during initial period of infant growth is recommended by doctors for bringing a healthy baby. |
Reason (R): | Colostrum contains several antibodies absolutely essential to develop resistance in the new born baby. |
1. | Both (A) and (R) are correct but (R) is the not the correct explanation of (A) |
2. | (A) is correct but (R) is not correct. |
3. | (A) is not correct but (R) is correct. |
4. | Both (A) and (R) are correct and (R) is the correct explanation of (A). |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyList-I (No. of weeks) |
List-II (Major features) |
||
A. | After 4 weeks of pregnancy | I. | Eye-lids separate and eyelashes are formed |
B. | After 12 weeks of pregnancy | II. | Heart is formed |
C. | After 24 weeks of pregnancy | III. | Limbs and digits are developed |
D. | After 8 weeks of pregnancy | IV. | External genital organs are well developed |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhich of the following hormones are secreted in women only during pregnancy?
(a) | Relaxin | (b) | Oxytocin |
(c) | hCG | (d) | hPL |
(e) | Progesterone |
Choose the most appropriate answer from the options given below:
1. (c), (d) and (e) onlyPrefer Books for Question Practice? Get NEETprep's Unique MCQ Books with Online Audio/Video/Text Solutions via Telegram Bot
NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyAssertion (A): | Pregnancy is characterised by metabolic changes in the mother. |
Reason (R): | During pregnancy the level of thyroxine is increased in the maternal blood. |
1. | Both (A) and (R) are correct and (R) is the correct explanation of (A). |
2. | Both (A) and (R) are correct but (R) is not the correct explanation of (A). |
3. | (A) is correct but (R) is not correct. |
4. | (A) is not correct but (R) is correct. |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhich of the following secretes the hormone, relaxin, during the later phase of pregnancy?
1. Foetus
2. Uterus
3. Graafian follicle
4. Corpus luteum
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhich of these is not an important component of initiation of parturition in humans?
1. Release of oxytocin
2. Release of prolactin
3. Increase in estrogen and progesterone ratio
4. Synthesis of prostaglandins
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyIn human beings, at the end of 12 weeks (first trimester) of pregnancy, the following is observed:
1. Eyelids and eyelashes are formed
2. Most of the major organ systems are formed
3. The head is covered with fine hair
4. Movement of the fetus
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyMatch the following columns and select the correct option:
Column I | Column II | ||
(a) | Ovary | (i) | Human chorionic gonadotropin |
(b) | Placenta | (ii) | Estrogen & Progesterone |
(c) | Corpus luteum | (iii) | Androgens |
(d) | Leydig cells | (iv) | Progesterone only |
Options: | (a) | (b) | (c) | (d) |
1. | (iv) | (iii) | (ii) | (i) |
2. | (i) | (ii) | (iii) | (iv) |
3. | (i) | (iii) | (ii) | (iv) |
4. | (ii) | (i) | (iv) | (iii) |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhich one of the following is not the function of placenta?
1. | Secretes estrogen |
2. | Facilitates removal of carbon dioxide and waste material from embryo |
3. | Secretes oxytocin during parturition |
4. | Facilitates supply of oxygen and nutrients to embryo |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe signals for parturition originate from:
1. placenta only
2. placenta as well as developed foetus
3. oxytocin released from maternal pituitary
4. fully developed foetus only
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology