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प्रश्न
Nebenkern is ______.
पर्याय
acrosome of sperm
neck of sperm
middle piece of sperm
mitochondrion of sperm
उत्तर
Nebenkern is mitochondrion of sperm.
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संबंधित प्रश्न
Egg laid after fertilisation is made up of a single cell.
What is the name of the reproductive process :
which involves only one parent?
What are the two general methods of reproduction in organisms?
The offsprings formed by asexual reproduction method have greater similarity among themselves because :
(i) asexual reproduction involves only one parent
(ii) asexual reproduction involves two parents
(iii) asexual reproduction involves gametes
(iv) asexual reproduction does not involve gametes
(a) (i) and (ii)
(b) (i) and (iii)
(c) (ii) and (iv)
(d) (i) and (iv)The offsprings formed by asexual reproduction method have greater similarity among themselves because :
(i) asexual reproduction involves only one parent
(ii) asexual reproduction involves two parents
(iii) asexual reproduction involves gametes
(iv) asexual reproduction does not involve gametes
(a) (i) and (ii)
(b) (i) and (iii)
(c) (ii) and (iv)
(d) (i) and (iv)
List any two different forms asexual reproduction.
By which process do green plants synthesize their food?
Name the factors which take part in this process.
______ is an example of helobial endosperm.
The single shield-shaped cotyledon in monocot seed is known as ______.
Draw a well labelled diagram of T.S. anther.
Seminal fluid is ______ in nature.
What are the causes for the extinction of animals?
Planaria reproduces asexually by ______.
Assertion and Reason types of Question.
Assertion: In Banyan prop roots grow horizontally from the tree.
Reason: They give additional support to the tree.
How is reproduction in Hydra different from that in Amoeba?
The statement ‘nothing lives forever, yet life continues’ illustrates the role of ______.
Give reason for the following:
All multicellular organisms cannot give rise to new individuals through fragmentation or regeneration.
Define the following term:
Reproduction
