International 11th Class Biology Quiz Ranking Competition [May 2024]

1. Genes of Tobacco Mosaic Virus are -----.

2. Nearly 90% of the flowering plants have -----

3. Fill in the blank ----- is a characteristic feature of epithelial cells of the intestine

4. Girdling around the trunk of a tree can cause it to ----- if it cannot regrow to bridge the wound

5. An infant feeding entirely on the mother's milk passes stools that are coloured yellow. What is the reason for this?

6. The protists have which of the following?

7. The main function of guard cells is to help with -----

8. The small intestine has three parts. The first part is called

9. ICBN stands for -----.

10. The movement of materials from the leaves to other tissues of the plant is called -----

11. The rate of transpiration will ----- if the atmospheric pressure is low

12. T.O. Diener discovered -----.

13. Transpiration is regulated by the movements of -----

14. The steroid hormones easily pass through the plasma membrane through simple diffusion because they are -----

15. Transport of food materials in higher plants occurs through

16. Living cells placed in an isotonic solution tend to retain their shape and size. This is based on the principle of

17. The exudation of xylem sap drops on the edges of leaves is called

18. Blue-green algae belong to which group?

19. A dental condition that is characterized by hyper mineralization of teeth enamel due to excessive intake of --------. The teeth often appear mottled.

20. Who wrote the book “Genera Plantarum”?