A:  Implantation of embryo occurs only during the post ovulationary phase.
R: Corpus luteum secrete HCG, which is required for implantation
In the following questions a statement of assertion (A) is followed by a statement of reason (R).
1.  If both Assertion & Reason are true and the reason is the correct explanation of the assertion, then mark (1)
2.  If both Assertion & Reason are true but the reason is not the correct explanation of the assertion, then mark (2)
3.  If Assertion is true statement but Reason is false, then mark (3)
4.  If both Assertion and Reason are false statements, then mark (4)
  1. If both the assertion and the reason are true and the reason is a correct explanation of the assertion
  2. If both the assertion and reason are true but the reason is not a correct explanation of the assertion
  3. If the assertion is true but the reason is false
  4. If both the assertion and reason are false

Subtopic:  Implantation : Part 1 | Implantation |
 53%
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Given below are parts of a sentence, explaining parturition in jumbled order. Rearrange them in correct order.
A. Process of parturition in human female completes as
B. Oxytocin acts as a stimulatory reflex between the uterine contraction and oxytocin secretion continue
C. Foetal ejection reflex
D. Leads to expulsion on of the baby out of the uterus
E. Release of oxytocin from the maternal pituitary
Choose the correct answer from the options given below
1. A → B → C → D → E
2. A → E → C → B → D
3. A → C → E → B → D
4. A → B → D → C → E
 
Subtopic:  Fetal Development & Parturition |
 64%
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What is the secretory phase in the human menstrual cycle also called? How long does it last?
1.  Luteal phase, four days
2.  Follicular phase, four days
3.  Follicular phase, fourteen days
4.  Luteal phase, fourteen days
Subtopic:  Menstrual Cycle: Luteal Phase | oogenesis |
 75%
From NCERT
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Match List I with List II:
List I List II
A. Acrosome I. Gonadotropin
B. Corpus luteum II. Hyaluronidase
C. Leydig cells III. Estrogen
D. Hypothalamus IV. Testosterone

Choose the correct answer from the options given below:
1. A-(II), B-(III), C-(I), D-(IV) 
2. A-(II), B-(III), C-(IV), D-(I)
3.  A-(III), B-(II), C-(IV), D-(I)
4.  A-(III), B-(II), C-(I), D-(IV)    
Subtopic:  Male Reproductive System | Seminiferous Tubules & Spermatogenesis | Semen and Male Fertility | Introduction to Menstrual Cycle: 1 | Introduction to Menstrual Cycle |
 89%
From NCERT
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Consider the following spermatogenetic stages in a human male
A. Spermatids
B. Spermatocytes
C. Spermatogonia
D. Spermatozoa
Choose the correct sequence of spermatogenetic stages in a mature human testis
1. A, C, B, D
2. C, B, A, D
3. D, C, B, A
4. C, B, D, A
Subtopic:  Seminiferous Tubules & Spermatogenesis | Spermiogenesis/Sperm Structure/Hormonal Regulation |
 80%
From NCERT
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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
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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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In the following questions a statement of assertion (A) is followed by a statement of reason (R).
1. If both Assertion & Reason are true and the reason is the correct explanation of the assertion, then mark (1)
2. If both Assertion & Reason are true but the reason is not the correct explanation of the assertion, then mark (2)
3. If Assertion is true statement but Reason is false, then mark (3)
4. If both Assertion and Reason are false statements, then mark (4)

A: At birth a female ovary consist of large number of ovarian follicles with diploid oocytes.
R: During fetal development primary oocytes enter a prolonged diplotene stage of the first meiotic division and remain in this state until ovulation occurs at puberty.

 
  1. If both the assertion and the reason are true and the reason is a correct explanation of the assertion
  2. If both the assertion and reason are true but the reason is not a correct explanation of the assertion
  3. If the assertion is true but the reason is false
  4. If both the assertion and reason are false
Subtopic:  oogenesis |
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Corpus lutem contains cells of
(i)   Theca externa     (ii)  Theca interna
(iii) Follicular cells      (iv) Secondary oocyte.
1.  (i), (ii), (iii) (iv)
2.  (ii), (iii) only

3.  (i), (ii) only
4.  (iii) only.

 
Subtopic:  oogenesis |
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