01)A) Differentiate between germination and fertilisation.
B)State in brief the function of the following parts of human male reproductive system:
a) Scrotum
b)Testes
c) Vas deferens.
Answers
Answer:
A.) • The fusion between the male gamete and female gamete is called as fertilization.
• This fusion leads to form zygote.
• Germination is the process in which a new plant grows from embryo or other parts of the plant.
B.) a.) • Scrotum is a loose bag like structure hanging beside the penis.
• It acts as the temperature control for the development of sperms. It keeps the temperature slightly lower than the body temperature which is necessary for the development of sperms.
b.) Testes :- • Testes are the structures located inside the scrotum.
• It has two important functions. It acts as primary sex organ of males and produces male sex hormone testosterone.
• It has a structure called seminiferous tubules where sperms are formed.
c.) Vas Deferens :- • It is a structure found in the internal male reproductive system.
• It is a long, muscular tube.
• It's main function is the transportation of mature sperms to the urethra for ejaculation.