Differentiate between multiple allelism and pleiotropy with the help of an example each.

Explain the mechanism of sex-determination in humans. b) Differentiate between male heterogamety and female heterogamety with the help of an example of each.

How would you differentiate between aggregate fruits and composite fruits ? Give one example of each.

What is the meaning of 'Collision' in physics ? Differentiate between elastic and inelastic collision. Give one example each.

Differentiate between perisperm and endosperm giving one example of each

Differentiate between symmetrical and unsymmetircal ethers giving one example of each.

Differentiate between precision and accuracy with an example.

Differentiate between two different types of pyramids of biomass with the help of one exmaple of each.