Which of the following statement is wrong?

(1) Active participation in sports may lead to breakage of hymen

(2) Hymen may persist after coitus

(3) Absence of hymen is not a reliable indicator of sexual experience.

(4) The opening of vagina is always covered partially by a membrane called hymen

Subtopic:  Female Reproductive System-1 |
 76%
From NCERT
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Milk is produced by which cells?

(1) Alveoli

(2) Lobes

(3) Tubules

(4) Nipple

Subtopic:  Mammary Gland & Lactation |
 92%
From NCERT
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Milk produced by alveoli is stored in

(1) Lobes

(2) Lumen

(3) Duct

(4) Glandular Tissue

Subtopic:  Mammary Gland & Lactation |
 58%
From NCERT
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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 |
 72%
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 |
 90%
From NCERT
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Mammary lobe has not

(1) Alveoli

(2) Mammary tubules

(3) Lumen

(4) Lactiferous Duct

Subtopic:  Mammary Gland & Lactation |
 60%
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 |
 76%
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 |
 85%
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 |
 87%
From NCERT
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What would be the number of chromosome in the spermatids?

(1) 23 chromosomes with 46 chromatids

(2) 46 chromosomes with 92 chromatids

(3) 23 chromosomes with 23 chromatids

(4) 46 chromosomes with 46 chromatids

Subtopic:  Spermiogenesis/Sperm Structure/Hormonal Regulation |
 55%
From NCERT
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