Mineral Nutrition — BIOLOGY STD 11 Science — Question

Differentiate between arithmetic growth and geometric growth.

The concentration of a substrate is allowed to increase continuously. Explain the effect of this rise on the rate of enzymatic reaction.

Name two hormones which act on the hepatocytes.

How is a pinnately compound leaf different from a palmately compound leaf?

State the number of segments in earthworm which are covered by a prominent dark band or clitellum.

Give a chart of partial pressure of oxygen and carbon dioxide at different places in the respiratory system:

Give a comparison of small intestine and large intestine.

Which one occurs in Echinodermata?

1. Bilateral symmetry.
2. Radial symmetry.
3. Porous body.
4. Soft skin.

Bring out the major differences between epithelial tissue and connective tissue.

In hot summer and cold winter, the number of malaria cases as well as Anopheles declines, reappearance of malaria in humid warm conditions is due to:

1. Surviving malarial parasites in human carriers.
2. Surviving sporozoites in surviving mosquitoes.
3. Monkeys.
4. Mosquito larvae in permanent waters.