STD 12 - 6. evolution — Biology STD 12 Science — Question

Identify fungi.

Which of the following statements, support the view that elaborate sexual reproductive process appeared much later in the organic evolution.

1. Lower groups of organisms have simpler body design.
2. Asexual reproduction is common in lower groups.
3. Asexual reproduction is common in higher groups of organisms.
4. The high incidence of sexual reproduction in angiosperms and vertebrates.

Choose the correct answer from the options given below.

Which is correct for biodiversity?

Which of the following represents the female gametophyte in angiosperms?

It was the face of a primitive man called Australopithecus.

The branch of botany dealing with heredity and variation is called

Plants providing nectar and pollen to the honey bee are collectively called:

In which organ, formation of sperms occurs: