GK - General Science 10

1. Which of the following elements are the main constituents of bronze?

a) Nickel and chromium
b) Lead and tin
c) Copper and zinc
d) Copper and tin

2. Which of the following substances make nylon?

a) Polymide fiber
b) Polyester fiber
c) Cellulose fiber
d) Polyethylene fiber

3. Which of the following substances is made of only one type of molecules?

a) Carbon dioxide
b) Air
c) Lemonade
d) Vinegar

4. Which of the following gases is in the maximum proportion in the air?

a) Oxygen
b) Nitrogen
c) Carbon dioxide
d) Sulphur dioxide

5. Which of the following groups of diseases are caused by bacteria?

a) Pneumonia, tetanus and diabetes
b) Pneumonia, tetanus and scurvy
c) Typhoid, measles and cholera
d) Typhoid, pneumonia and tuberculosis

6. Photosynthesis involves the conversion of

a) Light energy into biochemical energy
b) Light energy into thermal
c) Thermal energy into biochemical
d) Heat energy into kinetic energy

7. Choose the pair of only fat soluble vitamins from those given below.

a) Riboflavin and retinol
b) Calciferol and retinol
c) Riboflavin and tocoferol
d) Ascorbic acid and calciferol

8. Which vitamin gets deposited in liver when taken in excess?

a) Vitamin A
b) Vitamin B
c) Vitamin C
d) Vitamin D

9. A typical host-parasite relationship is represented by

a) Tiger and deer
b) Man and lice
c) Man and elephant
d) Pea plant and rhizobium

10. Mosquitoes are not used to oceans because their body cannot tolerate

a) Cold water
b) Salt water
c) Hot water
d) Fresh water

11. Which of the following gases may cause acid rain in industrial areas?

a) CO2
b) CO
c) SO2
d) CH4

12. What term is used for the individuals of a species living together in a locality?

a) Community
b) Population
c) Ecosystem
d) Biosphere

13. Among the four planets given below which one is the smallest in size?

a) Venus
b) Mars
c) Earth
d) Saturn

14. The time period of a simple pendulum depend on which of the following quantities?

a) Mass
b) Energy
c) Velocity
d) Force

15. Protein deficiency causes

a) Kwashiorkor and pellagra
b) Kwashiorkor and rickets
c) Kwashiorkor and marasmus
d) Marasmus and Osteomalacea

16. Which of the following is a fumigant used for controlling pests in stored grains?

a) Ethylene dibromide
b) Aluminium phosphide
c) Malathion
d) Zinc phosphide

17. Which two elements are used to absorb neutrons to control the chain reaction during nuclear fission?

a) Boron and cadmium
b) Boron and plutonium
c) Cadmium and uranium
d) Uranium and boron

18. Which of the following quantities is transferred from one place to another by waves?

a) Energy
b) Wavelength
c) Velocity
d) Mass

19. What kind of energy is possessed by the water filled in the reservoir of a dam?

a) Potential energy
b) Kinetic energy
c) Electric energy
d) Thermal energy

20. Which of the following substances is the most important constituent of biogas?

a) H2S
b) CO2
c) CH4
d) H2

21. When chlorine is passed over solid slaked lime which of the following substances is formed?

a) plaster of paris
b) bleaching powder
c) common salt
d) washing soda

22. What is the molecular mass of water?

a) 34
b) 33
c) 20
d) 18

23. Which of the following is a common characteristic in both cathode rays and X-rays?

a) both are positively charged
b) both are negatively charged
c) both travel in a straight line
d) both do not get reflected in an electric field

24. Which part of the body is affected by leukemia?

a) bone marrow
b) brain
c) lymph node
d) blood cells

25. ATS injection is given to those who have not had any immunization against which of the following?

a) tetanus
b) tuberculosis
c) tonsillitis
d) typhoid

Answers

1. Copper and tin
2. Polymide fiber
3. Carbon dioxide
4. Nitrogen
5. Typhoid, pneumonia and tuberculosis
6. Light energy into biochemical energy
7. Calciferol and retinol
8. Vitamin A
9. Man and lice
10. Salt water
11. SO2
12. Community
13. Mars
14. Velocity
15. Kwashiorkor and marasmus
16. Ethylene dibromide
17. Boron and cadmium
18. Energy
19. Potential energy
20. CH4
21. bleaching powder
22. 18
23. both are negatively charged
24. bone marrow
25. tetanus