Fertilization results immediately in the formation of :
A. a zygote

B. an embryo

C. a placenta

D. a foetus

In sexual reproduction, does fertilisation take place or not?

State whether the following statements are True or False. If false, correct the statement:

(a) External fertilization can occur both in water and on land.

(b) The eggs of fish are covered by hard shells for protection.

(c) The human egg has a head, middle piece, and tail.

(d) In adult human females, a single mature egg is released into an oviduct every month.

Although 2 cells called gametes fuse, the product formed is a single cell called zygote. Justify.

After fertilization, the resulting cell which gives rise to a new individual is the

Animals exhibiting external fertilization produce a large number of gametes. Pick the appropriate reason from the following.

Which of the following statements about reproduction in humans is correct?

Observe the figure given as Fig. 9.2 and answer the questions that follow.

(a) Label A and B.

(b) Identify the process.

(c) What happens during this process and what is formed?

How can we say that fish exhibits external fertilization?

Internal fertilization occurs :

Name the process of the fusion of gametes ?