Sets
General Science Set 64
30 questions 1. The collective oscillations of the constituents of a material medium manifest themselves as:
2. The fusion of male and female germ-cells is called:
3. The Rashtriya panchang is published annually by the:
4. Consider the following pairs:
(I) Trypsin – Digestion of proteins
(II) Lipase – Breakdown of emulsified fats
(III) Pepsin – Digestion of carbohydrates
Which of the pairs given above is/are correctly matched?
5. A solid has a mass of 300 g and a volume of 120 cm³. Its density is:
6. Consider the following statements:
(I) A dimensionally correct equation is always an exact equation.
(II) A dimensionally inconsistent equation must be wrong.
(III) Dimensionless constants cannot be obtained by dimensional analysis.
Which of the above is/are correct?
7. The division of cork cambium cells gives rise to:
8. Lichens are formed by the association of:
9. A convex lens has a focal length of +20 cm. An object is placed 30 cm in front of it. The image distance is:
10. Muppandal Wind Farm is located in:
11. On heating in air, cinnabar is first converted into:
12. The excess pressure inside a liquid drop of radius r and surface tension S is:
13. The opening and closing of the stomatal pore is a function of:
14. Which of the following breaks down food outside the body and then absorbs it?
15. The Earth completes one revolution around the Sun in about:
16. Sodium chloride contains sodium and chlorine in the mass ratio of 23:35.5. The mass of chlorine required to react completely with 69 g of sodium is:
17. The breakdown of complex substances of fallen leaves into simpler nutrient-rich substances by microorganisms is called:
18. Consider the following statements about kinetic energy:
(I) It has no direction.
(II) It increases when positive work done on the object increases its velocity.
(III) It remains constant when negative work is done on the object.
Which of the above is/are correct?
19. Nitrogen constitutes about what percentage of air?
20. 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?