PART - 1 - Unit III : CH - 9 Biomolecules — BIOLOGY STD 11 Science — Question

In most plants, the terminal bud suppresses the development of lateral buds into branches. What is this phenomenon called? Name one phytohormone that can promote this phenomenon.

Which ribs are floating ribs?

Diakinesis, Cytokinesis, Diplotene, Pachytene.

Why do sharks and other ureotelic animals retain some urea in their kidney matrix?

Write the chemical reaction catalysed by the Zn-enzyme carbonic anhydrase.

Write short notes on the functions of the following hormones:
Estrogens.

Name the receptors in the human ear, which maintain the balance and posture of the body.

Name the two components of nephron that together form Malpighian body or renal corpuscle.

By which covering are the human lungs covered?

Give two reasons why fungi have been removed from plant kingdom and placed as a separate kingdom.