SSC CGL/CHSL 2015:- GENERAL SCIENCE

Science Questions

1. Select out the odd one-
A.Hydrophobia – Virus
B.AIDS – Virus
C.Ringworm – Fungus
D.Mumps – Bacteria

2. First Hormone discovered was-
A.Growth hormone
B.Secretin
C.Auxins
D.None of these

3. Milk is-
A.Fat dispersed in fat
B.Fat dispersed in water
C.Water dispersed in fat
D.None of the above

4. Cathode rays are-
A.Radiations
B.Stream of electrons
C.Stream of Alpha particles
D.Electromagnetic waves

5. Neutron was discovered by-
A.Rutherford
B.Chadwick
C.J.J Thomson
D.None of the above

6. A laboratory thermometer shows five small divisions between the markings of 70C and 71C. This means that the thermometer can read correctly up to-
A.70.1 degree Celsius
B.70.5 degree Celsius
C.70.2 degree Celsius
D.70.25 degree Celcius

7. The minerals that are required in the right amount for proper functioning of muscles are-
A.Iron and Iodine
B.Sodium and Potassium
C.Iron and Calcium
D.Iodine and Sodium

8. An astronomical telescope consists of two lenses. These are
A.Convex and convex
B.Convex and concave
C.Concave and concave
D.Concave and convex

9. Which one of the following is the least reactive metal?
A.Gold
B.Silver
C.Sodium
D.Potassium

10. The alloptropes of carbon are-
1.Diamond
2.Graphite
3.Buckminsterfullerene

A.Only 1
B.Only 2
C.(1),(2) and (3)
D.None of these

11. Which one of the following is a part of Biotic Environment?
A.Lithosphere
B.Hydrosphere
C.Atmosphere
D.Biosphere

12. The excretory organs in cockroach are-
A.Nephridia
B.Flame cells
C.Malphigian tubules
D.Coelomic ducts

13. Largest flower is-
A.Cauliflower
B.Cabbage
C.Rafflesia
D.None of these

14. Which one of the following is commonly known as ‘grand old man of intestine’?
A.Plasmodium
B.Amoeba
C.Giardia
D.None of these

15. Which of the following is not an ores of Iron?
A.Haematite
B.Magnetite
C.Siderite
D.Bauxite

16. Sleeping sickness is caused by
A.Trypanosoma
B.Plasmodium
C.Paramecium
D.Volvox

17. Which one of the following is a single membrane organelle?
A.Mitochondria
B.Nucleus
C.Lysosome
D.Endoplasmic reticulum

18. One light year is equal to-
A.9.46 x 10¹⁵ KM
B.9.46 x 10¹² M
C.9.46 x 10¹⁵ M
D.9.46 x 10¹⁸ M

19. Brass is an alloy of-
A.Copper and Tin
B.Copper and Zinc
C.Lead and Zinc
D.None of these

20. Urea mainly contains-
A.C, N and O
B.C, H and O
C.C, H, O and N
D.S, P and K

ANSWER

1.       D

2.       B

3.       B

4.       B

5.       B

6.       B

7.       C

8.       A

9.       A

10.   C

11.   D

12.   C

13.   C

14.   C

15.   D

16.   A

17.   C

18.   C

19.   B

20.   A