The Living World — BIOLOGY STD 11 Science — Question

What is the average cell cycle span for a mammalian cell?

What are the most common habitats of fungi?

Which protein is present in RBCs?

In a dicot root, the vascular cambium is completely secondary, justify.

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?

Where are apical meristems located?

Name the five kingdoms proposed by Whittaker.

Fill in the blanks (A) and (B) Classification proposed by Whittaker includes:.Monera,

1. Fungi.
2. Animalia.

By what is urea removed in patients?

How are plants placed in phylogenetic system of classification?