1. L.P.G. is a hydrocarbon consisting of a mixture of :
A. Methane and Butane
B. Propane and Butane
C. Ethane and Propane
D. Ethane and Butane
2. Amalgam’ is a term used for an alloy of a metal with :
A. Copper
B. Mercury
C. Lead
D. Aluminium
3. The first metal to be used by man was:
A. Aluminum
B. copper
C. Iron
D. Silver
4. For respiration in deep sea, divers use mixture of:
A. Oxygen and helium
B. Oxygen and hydrogen
C. Oxygen and carbon dioxide
D. Oxygen, Helium & nitrogen
5. The powerhouse of the cell is:
(A)Cell Wall
(B)Mitochondria
(C)Ribosome
(D)Nucleus
6. Body temperature is regulated by----------------------
(A)Thalamus
(B)Hypothalamus
(C)Cerebellum
(D)Medulla
7. The unit of electric power is
(A). Ampere
(B). Volt
(C). Coulomb
(D). Watt
8. How many bones an adult human skeleton consists of:
A. 204 bones
B. 206 bones
C. 208 bones
D. 214 bones
9. In a child of 2-3 years milk teeth do not include:
A. Incisors
B. Canines
C. Molars
D. Premolars
10. In which part of an eye a pigment is present which is responsible for brown, blue or black eyes?
A. Cornea
B. Choroid
C. Iris
D. Vitreous Body
11. In which organ of the human body are the lymphocytes cells formed?
A. Liver
B. Bone Marrow
C. Pancreas
D. Spleen
12. Glass is made from the mixture of–
(A) Quartz and mica (B) Sand and salt
(C) Sand and silicates (D) None of these
13. What is the unit for measuring the pitch or frequency of sound ?
(A) Coulomb (B) Hum
(C) Cycles (D) Decible
14. Cell membrane is–
(A) permeable (B) selectively permeable
(C) semipermeable (D) impermeable
15. Which of the following elements is non-radioactive?
(A) Uranium (B) Thorium
(C) Plutonium (D) Zirconium
16. The metal that is present in Photo Films is–
(A) Mercury (B) Platinium
(C) Magnesium (D) Silver
17. The formula of Plaster of Paris is–
(A) CaSO4 (B) CaSO4, 2H2O
(C) 2CaSO4, 4H2O (D) 2CaSO4, H2O
18. Which of the following is a set of bacterial diseases?
(A) Malaria, poliomyelitis, mumps
(B) Mumps, cholera, typhoid
(C) Plague, Leprosy, Diphtheria
(D) Measles, Tuberculosis, Tetanus
19. Which of the following pathogens causes cholera in humans?
(A) Fungi
(B) Bacteria
(C) Virus
(D) Protozoan
20. Which of the following pathogens causes Leprosy in humans?
(A) Salmonella
(B) Mycobacterium
(C) TMV
(D) Monocystis
Answers
1. B
2. B
3. B
4. D
5. B
6. B
7. D
8. B
9. C
10. C
11. B
12. D
13. C
14. C
15. D
16. D
17. D
18. C
19. B
20. B
