Science : Ch 08 – How do Organisms Reproduce

Fertilisation is the process of

The characteristics transmitted from parents to ofspring are present in

During adolescence, several changes occur in the human body. mark one change from the following associated with sexual maturation in boys:

Which among the following statements are true for sexual reproduction in fowering plants?

1. It requires two types of gametes.
2. Fertilisation is a compulsory event.
3. It always results in the formation of zygote.
4. Offsprings formed are clone

Characters transmitted from parents to ofspring are present in:

Which one of the following permanently marks the end of menstrual cycle in females ?

The number of chromosomes in parents and ofsprings of a particular species remains unchanged due to

Example of bisexual fowers.

What is the mode of asexual reproduction in hydra?

Name the harmone secretes a sperms in human males.

In flowers,what is the female reproductive part called as?

A pair of long convoluted tubes that carry ova or eggs from the ovary to the uterus is known as

Which pollination increases genetic uniformity and decreases variations

Total number of chromosomes present in human beings are

The number of chromosomes shared from both male & female are