Assertion            :       During fertilization only head of spermatozoa enters egg.

Reason               :       If several spermatozoa hit the egg at same time, all can enter the egg.

  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

 60%
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Assertion             :       In morula stage, cells divide without increase in size.

Reason                 :      Zona pellucida remain undivided till cleavage is complete.

  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 2 | Embryonic Development till Gastrulation | Implantation |
 54%
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Assertion   :       Holoblastic cleavage with almost equal sized blastomeres is a characteristic of placental animals.

Reason      :      Eggs of most mammals, including humans, are of centrolecithal type

  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:  Embryonic Development till Gastrulation |
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Humans are
a. Oviparous females
b. Sexually Reproducing
c. Considered to be sexually active before puberty
d. More than one option is correct

Subtopic:  Introduction |
 76%
From NCERT
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Which of the following order is not correct for the events of human reproduction?

(1) Gametogenesis- Insemination- Fertilization

(2) Fertilization-Insemination- Gametogenesis

(3) Implantation-Gestation-Parturition

(4) Insemination-Fertilization- implantation

Subtopic:  Introduction |
 78%
From NCERT
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Which of the following is not correct with respect to Human reproduction?

(1) There is remarkable similarity between the reproductive events of males and females

(2) Continuation of sperm formation in old man

(3) No ovum production in females after 50 years

(4) More than one option are not correct.

Subtopic:  Introduction |
 76%
From NCERT
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Male reproductive system of humans has not

(1) A testis only

(2) Accessory Ducts

(3) Glands

(4) External Genitalia

Subtopic:  Male Reproductive System |
 76%
From NCERT
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Testes of humans are located in

(1) Inside abdominal cavity

(2) Within a tunnel like structure

(3) Within Scrotum

(4) More than one option is correct

Subtopic:  Male Reproductive System |
 80%
From NCERT
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Suppose the internal temperature of body is 36.5 degree celsius now what will be the temperature required for human spermatogenesis?
1. 34.2 degree Celsius
2. 33 degree Celsius
3. 38 degree Celsius
4. 38.2 degree Cell

Subtopic:  Male Reproductive System |
 86%
From NCERT
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What is not correct with respect to testis in adults?

(1) Spherical in shape

(2) 4-5 cm in length and width of 2-3 cm

(3) Covered by a dense covering

(4) Made up of 250 testicular compartments

Subtopic:  Male Reproductive System |
 77%
From NCERT
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