During pregnancy the levels of thyroxin:

1. Increase several folds in maternal blood

2. Increases several folds in fetal blood

3. Decreases several folds in maternal blood

4. Decreases several folds in fetal blood

Subtopic:  Fetal Development & Parturition |
 92%
From NCERT
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The first movements of the fetus and the appearance of hair on the head are usually observed during:

1. 2nd month

2. 3rd month

3. 5th month

4. 6th month

Subtopic:  Fetal Development & Parturition |
 87%
From NCERT
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The signals of fetal ejection reflex originate from:

1. Maternal pituitary

2. Maternal hypothalamus

3. Fully developed fetus and placenta

4. Fetal pituitary

Subtopic:  Fetal Development & Parturition |
 93%
From NCERT
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The milk produced during the initial few days of lactation, called colostrum, is essential for the new born as colostrums contains:

1. Large amount of glucose

2. Anti-infective antibodies

3. Fats

4. Various hormones

Subtopic:  Mammary Gland & Lactation |
 96%
From NCERT
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Which of the following hormones is not secreted by the human placenta?

1. HCG

2. HGH

3. HPL

4. Progesterone

Subtopic:  Implantation : Part 2 | Implantation |
 81%
From NCERT
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Which of the following is secreted only during the luteal phase of a menstrual cycle ?

(1) LH

(2) FSH

(3) Estrogen

(4) Progesterone

Subtopic:  Menstrual Cycle: Luteal Phase |
 72%
From NCERT
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Subtopic:  Ovary |
From NCERT
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Which event is incorrectly matched with the time of its occurence [with respect to a 28 days menstrual cycle] ?

(1) Beginning of the menstrual flow - Day 1

(2) Ovulation - Day 14

(3) Beginning of the proliferative phase - Day 5

(4) Peak  secretion of estrogen - Day 22

Subtopic:  Introduction to Menstrual Cycle: 2 | Introduction to Menstrual Cycle |
 79%
From NCERT
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Which human male accessory reproductive duct receives a duct from the seminal vesicle?

1. Rete testis

2. Vas deferens

3. Epididymis

4. Urethra

Subtopic:  Male Reproductive Duct System |
 64%
From NCERT
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The primary oocyte completes its first meiotic division within the:

1. Primary follicle

2. Secondary follicle

3. Tertiary follicle

4. Graafian follicle

Subtopic:  Ovary |
 63%
From NCERT
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