How many Y-chromosomes are present in the 2nd polar body in human beings? 
1. 01 
2. 00 
3. 23
4. 02

Subtopic:  oogenesis |
 70%
From NCERT
NEET - 2022
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Which 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) only 
2. (b) and (e) only 
3. (b), (c) and (d) only 
4. (a), (c) and (d) only 
Subtopic:  Fetal Development & Parturition |
 75%
From NCERT
NEET - 2022
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Arrange the following male sex accessory ducts in the correct sequence for the transport of sperms from the testis:
(a) Epididymis 
(b) Ejaculatory duct 
(c) Vasa efferentia 
(d) Rete testis 
(e) Vas deferens 
Choose the most appropriate  answer from the options given below: 
1. (d), (a), (c), (e), (b) 
2. (d), (c), (e), (a), (b) 
3. (d), (c), (a), (e), (b) 
4. (d), (e), (a), (c), (b) 

Subtopic:  Male Reproductive Duct System |
 84%
From NCERT
NEET - 2022
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Arrange the components of the mammary gland. (from proximal to distal)
(a) Mammary duct
(b) Lactiferous duct
(c) Alveoli
(d) Mammary ampulla
(e) Mammary tubules
Choose the most appropriate answer from the options given below :
1. (c) → (a) → (d) → (e) → (b)
2. (b) → (c) → (e) → (d) → (a)
3. (c) → (e) → (a) → (d) → (b)
4. (e) → (c) → (d) → (b) → (a)
 
Subtopic:  Mammary Gland & Lactation |
 69%
From NCERT
NEET - 2022
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How many secondary spermatocytes are required to form 400 million spermatozoa ?
1. 50 million
2. 100 million
3. 200 million
4. 400 million
Subtopic:  Seminiferous Tubules & Spermatogenesis |
 61%
From NCERT
NEET - 2022
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Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R).
 
Assertion (A): Pregnancy is characterised by metabolic changes in the mother.
Reason (R): During pregnancy the level of thyroxine is increased in the maternal blood.

In the light of the above statements, choose the most appropriate answer from the options given below:
 
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.
Subtopic:  Fetal Development & Parturition |
 58%
From NCERT
NEET - 2022
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At which state of life the oogenesis process is initiated?
1. Adult
2. Puberty
3. Embryonic development stage
4. Birth
Subtopic:  oogenesis |
 85%
From NCERT
NEET - 2022
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Which of the following statements are true for spermatogenesis but do not hold true for Oogenesis?
(a) It results in the formation of haploid gametes.
(b) Differentiation of gamete occurs after the completion of meiosis.
(c) Meiosis occurs continuously in a mitotically dividing stem cell population. 
(d) It is controlled by the Luteinising hormone (LH) and Follicle Stimulating Hormone (FSH) secreted by the anterior pituitary.
(e) It is initiated at puberty.

Choose the most appropriate answer from the option given below:
1. (b), (c), and (e) only 2. (c) and (e) only
3. (b) and (c) only 4. (b), (d) and (e) only
Subtopic:  Seminiferous Tubules & Spermatogenesis | oogenesis |
From NCERT
NEET - 2022
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Given below are two statements: 
Statement I: The release of sperms from the seminiferous tubules is called spermiation.
Statement II: Spermiogenesis is the process of formation of sperms from spermatogonia.

In the light of the above statements, Choose the most appropriate answer from the option given below :
1. Statement I is incorrect but Statement II is correct.
2. Both Statement I and Statement II are correct.
3. Both Statement I and Statement II are incorrect. 
4. Statement I is correct but Statement II is incorrect.
Subtopic:  Seminiferous Tubules & Spermatogenesis |
From NCERT
NEET - 2022
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Given  below are two statements:
Statement I: Vas deferens receives a duct from seminal vesicle and opens into urethra as the ejaculatory duct.
Statement II: The cavity of the cervix is called cervical canal which along with vagina forms birth canal.
In light of the above statements, choose the correct answer from the options given below:
1. Statement I is incorrect but Statement II is true.
2. Both Statement I and Statement II are true.
3. Both Statement I and Statement II are false.
4. Statement I is correct but Statement II is false.
Subtopic:  Male Reproductive System | Female Reproductive System-1 | Female Reproductive System-2 |
 85%
From NCERT
NEET - 2023
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