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 |
 78%
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 |
 86%
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 |
 91%
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 |
 70%
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 |
 63%
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 |
 71%
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 |
From NCERT
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The structure of testis of a mammal can be identified by the presence of

(1) Spermatogonia

(2) Spermatocytes

(3) Cells of Sertoli

(4) Spermatids

Subtopic:  Seminiferous Tubules & Spermatogenesis |
From NCERT
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In the vertebrates testes, for nourishment during spermiogenesis, the spermatids get attached to

(1) Interstitial cells

(2) Sperm-mother cells

(3) Spermatocytes

(4) Sertoli cells

Subtopic:  Seminiferous Tubules & Spermatogenesis |
 87%
From NCERT
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In man the vas deferencs emerges from

(1) Cauda epididymis

(2) Caput epididymis

(3) Corpora cavernosa

(4) Glomus major

Subtopic:  Male Reproductive Duct System |
 63%
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