1. Adventitious roots develop from

2. Silver fish, crab, cockroach and honey bees have which of the following features common?

3. Which of the following medicines is administered to patients suffering from diabetes?

4. A plant that lives on another plant but does not take food from that plant is called a/an

5. HCI is secreted by

6. All of the following are useful methods of providing protection against tuberculosis except

7. All of the following statements about white blood cells are true except

8. Penicillin was discovered by

9. Peptide bond is formed between

10. When white-flowered plant were crossed with pure redflowered plants, the progeny were

11. A nutrient used to build protoplasm is

12. The action of the roots of a tree in growing into a drain pipe is an example of

13. The food tube in humans is known as the

14. Plants bend towards the source of light on account of the movement of curvature known as

15. In peas, if 50% of the offspring are short, and 50% are tall, the parents were probably

16. All of the following are antibiotics except

17. Consider the following: 1. Hydathodes 2. Salt glands 3. Nectaries 4. Lenticels Which of these are secretory structures?

18. A disease in which the red blood cells are attacked

19. When there is a delay in the germination of seed, it may be due to

20. The great banyan tree is located in

21. With reference of sex determination in Melandrium album, consider the following statements: 1. The Y chromosome is longer than the X chromosome. 2. The Y chromosome and X chromosome form a heteromorphic bivalent at meiosis. 3. It is the presence of a single Y chromosome rather than any number of X chromosomes or autosomes that gives a male individual. Which of the abovementioned statements is/are correct?

22. Aves are

23. For the process of photosynthesis, green plants require

24. Which one of the following hydrophytes has its roots fixed in mud and leaves floating on water?

25. A mushroom cannot manufacture its own food because it lacks