Sets
General Science Set 49
30 questions 1. The large intestine mainly absorbs:
2. Between two consecutive marks of a spring balance, 2 N apart, there are 5 equal divisions. The smallest weight it can read is:
3. In a leaf with green and non-green patches kept in sunlight, the blue-black colour with iodine appears in the:
4. The SI unit of volume is:
5. The fixed point about which a lever rotates is called the:
6. Rapid multiplication of red dinoflagellates such as Gonyaulax causes:
7. Consider the following pairs:
(I) Electric current – ampere
(II) Amount of substance – mole
(III) Luminous intensity – kelvin
Which of the pairs given above is/are correctly matched?
8. Talcum powder is made from the mineral:
9. In older stems, the cork cambium forms from cells located:
10. Consider the following statements about the speed of sound in air:
(I) It increases with an increase in temperature.
(II) It increases with an increase in humidity.
(III) It depends on the frequency of the source.
Which of the above is/are correct?
11. Oil and gas are the remains of millions of tiny plants and animals that lived in the:
12. After karyogamy and meiosis in the basidium, the number of basidiospores produced is:
13. Plastic foams are good insulators mainly because they contain:
14. The three domain system of classification, based on genetic data, was proposed in 1977 by:
15. The height of the Iron Pillar near the Qutub Minar is about:
16. The mass of an electron is:
17. Consider the following statements:
(I) Reflex arcs are formed in the spinal cord.
(II) The cerebellum is responsible for involuntary actions such as salivation.
(III) The brain and spinal cord together form the central nervous system.
Which of the above is/are correct?
18. Covalent compounds generally have low melting and boiling points because their intermolecular forces are:
19. Assertion (A): Appliances in a domestic circuit are connected in parallel.
Reason (R): Parallel connection ensures that each appliance has the same potential difference.
Choose the correct statement:
20. Which type of chemical reaction is among the most common means to break down molecules in the body?