General Science Question and Answer for Compititative Exam

1. The function of fuse in an electric circuit is

A. To avoid electric shock
B. To regulate the flow of the current
C. To break the circuit in case of overloading or short circuiting
D. None of the above

C. To break the circuit in case of overloading or short circuiting

2. Which of the following is a semiconductor ?

A. glass
B. silicon
C. aluminium
D. phosphorous

B. silicon

3. The unit of astronomical distance is

A. Light year
B. Nautical mile
C. Angstrom
D. Kilometer

A. Light year

4. Which of the following device is used for measuring the depth of the sea ?

A. Altimeter
B. Manometer
C. Fathometer
D. Hydrometer

C. Fathometer

5. What is the source of electric energy in an artificial satellite ?

A. a thermopile
B. a dynamo
C. solar cells
D. a mini nuclear reactor

C. solar cells

6. The atomic number of the element is equal to

A. No. of electrons
B. No. of protons
C. No. of neutrons
D. Sum of protons and neutrons

B. No. of protons

7. Who discovered the first nuclear reaction?

A. Chadwick
B. Rutherford
C. Fermi
D. Currie

B. Rutherford

8. The most widely used metal is

A. Copper
B. Gold
C. Aluminium
D. Iron

D. Iron

9. A common florescent tube contains

A. Argon at low pressure
B. Mercury oxide and neon
C. Sodium vapour
D. Mercury vapour at low pressure

D. Mercury vapour at low pressure

10. The second most abundant metal in the earth's crust is

A. Silicon
B. Aluminium
C. Iron
D. Copper

B. Aluminium

Science General Knowledge for PA Examination 2014

Science General Knowledge for PA / SA Exam

1. Which among the following inert Gases is not present in our atmosphere?
(A) Neon
(B) Argon
(C) Krypton
(D) Xenon
(E) Radon

2. One of the places where Total Solar Eclipse was visible on 24 October 1995 was Neem Ka Thana . Which State does this place belong to?
(A) West Bengal
(B) Rajasthan
(C) Gujarat
(D) Orissa

3. The reaction in torch cell is ----------------?
(A) Photochemical
(B) Electrochemical
(C) Endothermic
(D) Addison reaction

4. When sodium vapour lamp burns ---------------------light is emitted?
(A) Green
(B) Orange red
(C) White
(D) Yellow

5. The energy possessed by the water collected in the reservoir of a dam?
(A) Kinetic energy
(B) Mechanical energy
(C) Electric energy
(D) Potential energy

6. Under what condition does a lunar eclipse take place?
(A) The earth comes between the sun and the moon
(B) The moon comes between the sun and the earth
(C) The sun comes between the earth and the moon
(D) The sun,moon and earth are in a straightline in any order

7. Rainbow is caused due to?
(A) Refraction and dispersion
(B) Refraction
(C) Interference of light
(D) None of these

8. The scientist who first discovered that the earth revolves round the sun?
(A) Galileo
(B) Ptolemy
(C) Aryabhatta
(D) Copernicus

9. The source of oxygen for fish living at the bottom layer of the sea is?
(A) Its gills
(B) Air sacs in the abdomen
(C) Small sea plants
(D) The sea water

10. Which of the following is not a parasite?
(A) Earthworm
(B) Tapeworm
(C) Pinworm
(D) Roundworm

11. Which feature is not present in an amoeba?
(A) Nucleus
(B) Vacuole
(C) Tentacle
(D) Pseudopodium

12. What is meant by dialysis?
(A) Giving additional blood
(B) Removing impure blood and providing fresh blood
(C) Washing kidneys to remove impurities
(D) Giving artificial respiration

13. Which of the animals given below is 'generally not' considered under "live-stock"?
(A) Elephant
(B) Horse
(C) Sheep
(D) Pig

14. Which of the following creatures has metamorphosis?
(A) Earthworm
(B) Frog
(C) Cockroach
(D) Fish

15. Which is the plant that uses insects as food?
(A) Pitcher plant
(B) Loranthus
(C) Lotus
(D) Orchid

16. Which is not an example for modification of underground stems?
(A) Ginger
(B) Potato
(C) Turmeric(Manjal)
(D) Carrot

17. Which of the following creatures does not have ears?
(A) Snake
(B) Fish
(C) Owl
(D) Frog

18. To which category does onion belong?
(A) Stem tuber
(B) Corn
(C) Bulb
(D) Rhizome

19. Which of the folowing is an example for adventitious roots?
(A) Carrot
(B) Beetroot
(C) Tapioca
(D) Radish

20. What is meant by hybridisation?
(A) Producing new varieties of plants that resist pests
(B) Producing new varieties of plants or animals that give more yield
(C) Producing new varieties of plants that give early yield
(D) Producing new varieties of plants or animals by combining characteristics of two different varieties