Chemical Coordination and integration — BIOLOGY STD 11 Science — Question

Which type of fungi are lignocolous fungi which produce bracket fungi?

Dissemination of seeds is necessary for better growth of plants of the next generation, because it helps in getting access to necessary resources for growth. Which of the following is similar to this statement? How can we correlate this with our life?

1. We should go out and play outdoor games, instead of sticking to our computer screens.
2. One should travel a lot because traveling is a good way to learn about things around us.
3. One should get rid of home-sickness and leave his home-town to grab most of the opportunities available.

Describe the endocrine functions of thymus. (Any four)

State the factors affecting the oxygen haemoglobin binding.

Differentiate between Solanaceae and Fabaceae, with respect to their gynoecium.

Why does oxygen diffuse into the blood capillaries in the lungs, but out of the blood capillaries in the tissues?

What name is given to the body fluid of cockroach? Mention its components.

How do metal ions influence the action of enzymes? Give an example.

Write any five characteristics of respiratory organs.

Why the sprophytic phase is dominant in angiosperms?