Sets
Biology Set 24
30 questions 1. The division of cork cambium cells gives rise to:
2. Muppandal Wind Farm is located in:
3. The opening and closing of the stomatal pore is a function of:
4. Which of the following breaks down food outside the body and then absorbs it?
5. The breakdown of complex substances of fallen leaves into simpler nutrient-rich substances by microorganisms is called:
6. Consider the following statements about lymph:
(I) It is similar to the plasma of blood.
(II) It is colourless.
(III) It contains more protein than plasma.
Which of the above is/are correct?
7. On average, adult males have about what percentage of body weight as muscle?
8. Consider the following statements about the effects of adrenaline:
(I) The heart beats faster.
(II) Blood supply to the digestive system and skin is reduced.
(III) The breathing rate decreases.
Which of the above is/are correct?
9. Consider the following statements about parenchyma:
(I) It consists of living cells with thin walls.
(II) Its cells are loosely packed with intercellular spaces.
(III) Its cells are mostly dead with lignified walls.
Which of the above is/are correct?
10. Coronary Artery Disease is often referred to as:
11. The only living component of xylem is:
12. Which of the following is a millet?
13. Ribosomes were first observed under the electron microscope as dense particles by:
14. Muscle cells change shape in response to nerve impulses because of special:
15. The middle lamella is mainly composed of:
16. At night, the major gas exchange activity in plants is:
17. An unfertilised egg remains viable for about:
18. Fats are absorbed through lymph in the ___ present in intestinal villi.
19. Plants are grouped into herbs, shrubs and trees on the basis of:
20. The main site of infection in Hepatitis A is the: