In human males, the tests life in the scrotum, because it helps in the:

(a) What is a clone? Why do offspring formed by asexual reproduction exhibit remarkable similarity?

(b) What is the basis for evolution? Where is the zygote located in the flower after fertilization?

Draw a labelled diagram of L.S. of flower. What is the function of anther?

Which among the following is not the function of testes at puberty?

(i) formation of germ cells

(ii) secretion of testosterone

(iii) development of placenta

(iv) secretion of oestrogen

The correct sequence of organs in the male reproductive system for transport of sperm is: