Question

Give biological reasons for the following:-
1.Testes are present inside the scrotal sacs.
2.The fully developed human embryo is called foetus.
3.Bulb of onion is a condensed shoot.​

Answer 1

Answer:

1.The testes are 2 small organs that are found inside the scrotum. The testes make sperm. They also help produce a hormone called testosterone. Testosterone is an important hormone during male development and maturation.

2. After the embryonic period has ended at the end of the 10th week of pregnancy, the embryo is now considered a fetus. A fetus is a developing baby beginning in the 11th week of pregnancy.

3. It bears fleshy scale leaves that store food. The condensed stem bears roots at the Sase, and terminal bud and axillary bud in he upper part which grow .