Biomolecules — BIOLOGY STD 11 Science — Question

Vinay was going through an industrial area with his grandfather. While on the way, he felt suffocated and dizzy due to the smoke coming out of the factory. Vinay got angry and started shouting that all these factories should be closed. His grandfather calms him down and explained that it is due to large scale cutting of trees for urbanization and industrialization which has disturbed the balance of atmospheric gases. He also explained various economic importance of plants.

1. Large scale cutting of trees leads to ___________________?
2. What initiatives should be taken to maintain the atmospheric balance.
3. Give various economic importance of plants.
4. What values are shown by his grandfather?

What are the most common habitats of fungi?

What does hilum of a seed represent?

Identify the neurohormone that has its functioning in inhibiting the secretion of growth hormone from anterior lobe of pituitary.

What are microbodies? Give two examples.

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Write the name of the most notorious species of Sporozoa group.

Why are cysts formed in protistans?

Why does starch turn blue black with iodine?