Mammary glands are not

(1) Paired structure

(2) Having glandular tissue

(3) Having defined amount of fat

(4) Characteristic of all female mammals

Subtopic:  Mammary Gland & Lactation |
 69%
From NCERT
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The glandular tissue of each breast is divided into

(1) 10-12 mammary lobes

(2) 15-20 mammary lobes

(3) 23-25 mammary lobes

(4) 25-30 mammary lobes

Subtopic:  Mammary Gland & Lactation |
 88%
From NCERT
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Mammary lobe has not

(1) Alveoli

(2) Mammary tubules

(3) Lumen

(4) Lactiferous Duct

Subtopic:  Mammary Gland & Lactation |
 53%
From NCERT
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Which of the following sequences is correct?

(1) Lobes- Mammary Duct- Ampulla- Lactiferous Duct

(2) Alveoli- tubules-Lactiferous Duct-Mammary Ducts

(3) Mammary Ducts- Lactiferous Ducts- Ampulla- Nipple

(4) Mammary lobes- lactiferous Duct- Mammary duct- Nipple

Subtopic:  Mammary Gland & Lactation |
 70%
From NCERT
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Which of the following does not has 46 chromosomes?

(1) Spermatogonia

(2) Primary Spermatocyte

(3) Spermatozoa

(4) Sertoli cells

Subtopic:  Spermiogenesis/Sperm Structure/Hormonal Regulation |
 80%
From NCERT
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Which of the following has 23 chromosomes?

(1) Secondary spermatocyte

(2) Primary spermatocyte

(3) Spermatogonia

(4) Sertoli cells

Subtopic:  Spermiogenesis/Sperm Structure/Hormonal Regulation |
 86%
From NCERT
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Spermiation is

(1) Release of sperms from seminiferous tubules

(2) Release of secondary spermatocyte from seminiferous tubules

(3) Release of spermatids from seminiferous tubules

(4) Release of spermatogenic from seminiferous tubules

Subtopic:  Spermiogenesis/Sperm Structure/Hormonal Regulation |
 82%
From NCERT
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The level of which hormone gets increased first and stimulate spermatogenesis at puberty?

(1) GnRH

(2) Testosterone

(3) Androgen

(4) LG

Subtopic:  Seminiferous Tubules & Spermatogenesis |
 70%
From NCERT
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Acrosome is

(1) Part of sperm head

(2) Caps the anterior portion of haploid nucleus

(3) Has enzymes for fertilization

(4) All of these

Subtopic:  Spermiogenesis/Sperm Structure/Hormonal Regulation |
 93%
From NCERT
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Sperm motility is facilitated by

(1) Middle piece

(2) Neck

(3) Tail

(4) Acrosomal enzymes

Subtopic:  Spermiogenesis/Sperm Structure/Hormonal Regulation |
From NCERT
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