Assertion : In morula stage, cells divide without increase in size.
Reason : Zona pellucida remains undivided till cleavage is complete.
Assertion : In morula stage, cells divide without increase in size.
Reason : Zona pellucida remains undivided till cleavage is complete.
- [AIIMS 1997]
- A
If both Assertion and Reason are correct and the Reason is a correct explanation of the Assertion.
- B
If both Assertion and Reason are correct but Reason is not a correct explanation of the Assertion.
- C
If the Assertion is correct but Reason is incorrect.
- D
If both the Assertion and Reason are incorrect.
Similar Questions
Fertilisation of an egg cell it means......
$(1)$ End of process of oogenesis
$(2)$ Induces the completion of the second meiotic division
$(3)$ The corpus luteum degenerates
$(4)$ Signals for maintain progesterone level in blood
$(5)$ Formation of zygote
Fertilisation of an egg cell it means......
$(1)$ End of process of oogenesis
$(2)$ Induces the completion of the second meiotic division
$(3)$ The corpus luteum degenerates
$(4)$ Signals for maintain progesterone level in blood
$(5)$ Formation of zygote
The acrosome plays important role in
The acrosome plays important role in
Receptors for sperm binding in mammals are present on :
Receptors for sperm binding in mammals are present on :
- [NEET 2021]
The attachment of the mammalian blastocyst to the uterine wall is
The attachment of the mammalian blastocyst to the uterine wall is
- [AIPMT 1993]
If $X$ chromosome contained sperm entered in $X$ chromosome contained ovum than ...... is produced
If $X$ chromosome contained sperm entered in $X$ chromosome contained ovum than ...... is produced