In human all the three germ layers are originated from
Trophoblast cells
Inner cell mass
Both $(a)$ and $(b)$
They have special lineage
Choose the correct combination of the labelling for the following structure.
Assertion : Death is one of the important regulatory process on earth.
Reason : It avoids over-crowding caused by continuous reproduction.
What is correct for Testis of human ?
shape - Length
Meroblastic cleavage refers to which type of division of egg
Corpus luteum is developed from