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Vitelline membrane is a...

Vitelline membrane is a

A

Primary egg membrane

B

Secondary egg membrane

C

Tertiary egg membrane

D

None of these

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Which of the following statements regarding fertilization is/are correct ? (i) The acrosome is filled with hydrolytic enzymes which help in dissolving the membrane of the ovum at the time of fertilization. (ii) Vitelline membrane is the first membrane to be faced by sperms while trying to fuse with the ovum . (iii) There must be synchronicity in the release of ovum and entry of sperm for the formation of zygote . (iv) The meiotic division of the secondary oocyte is concluded with the entry of male gamete.

Assertion : Normally monospermy occurs in most of animals . Reason : Vitelline membrane of ovum checks polyspermy .

Each of the following questions/statements has four suggested answers. Choose the correct answer: Layers of an ovum from outside inside are:- i. Corona radiata, zona pellucida and vitelline membrane ii. Zona pellucida, corona radiata and vitelline membrane iii. Vitelline membrane, zona pellucida and corona radiata iv. Zona pellucida, vetelline membrane and corona radiata

Cell membrane is

Cell membrane is

Egg membrane is

After fertilisation, vitelline membrane transforms into fertilisation membrane. Why?

A cell membrane has

Plasma membrane is

Plasma membrane is

CENGAGE BIOLOGY ENGLISH-HUMAN REPRODUCTION -Assertion -Reasoning Question
  1. Vitelline membrane is a

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  2. Assertion: Scrotum provides optimum temperature conditions for spermat...

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  3. Assertion: The process of reproduction does not suffer if one ovary is...

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  4. Nothing lives for ever, yet life continues. What does it mean?

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  5. Assertion: Placenta is connected to the fetus by an umbilical cord. ...

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  6. Assertion: Placenta is contra-deciduate and even the fetal placenta is...

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  7. Assertion: Polar bodies have small amount of cytoplasm. Reason: It i...

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  8. Assertion: Ovulation takes place when the blood level of luteinizing h...

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  9. Assertion: Umbilical cord contain 100% fetal blood. Reason: It has s...

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  10. Assertion: The activation of sperm is called capacitation Reason: C...

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  11. Assertion: Before fusion, spermatozoa have to penetrate egg membrane....

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  12. Assertion : In post natal life , oocyte development occurs in mature f...

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  13. Assertion : Placenta is combined structure of foetal tissue & maternal...

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  14. Assertion: Seminal vesicle is known as the accessory sex organ of male...

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  15. Assertion: Testes are retroperitoneal organ in man. Reason: Peritone...

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  16. Assertion: Cervix contains the largest and the most powerful sphincter...

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  17. Assertion: In ovarian cycle, corpus luteum is exocrine gland. Reason...

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