Which of the following develops from ectoderm
Spinal cord and brain
Liver and heart
Notochord and vertebral column
Eye and skin
Cleavage is a unique form of mitotic cell division in which
Following the diagram of an ovum surrounded by few sperms :
Which of the following option is correct for the labelled parts $A, B$ and $C$?
$A$ $\quad$ $B$ $\quad$ $C$
Vas deferens receives a duct from seminal vesicle and opens into urethra as _________.
Cryptorchidism is a condition in which
In rabbit, ex-abdominal reproductive organs are