Q1.Which organ uses 25% of our oxygen supply?
(a)Brain
(b)Hearts
(c)Lungs
(d)none of these
Q2. Haemophilia is mostly associated with
(a) Labourers
(b) Royal families
(c) Miners
(d) Sportsmen
Q3. Dialysis is used to perform the function of–
(a) Lungs
(b) Heart
(c) Liver
(d) Kidneys
(a) leg
(b) hand
(c) mouth
(d) sting
Q5. The gas involved in Bhopal incident was
(a) Hydrogen sulphide
(b) Nitrogen dioxide
(c) Methyl chloride
(d) methyl isocyanate
Q6. The liquid waste from kitchens and baths, of residences is known as:
(a) Domestic sewage
(b) Storm water
(c) Sullage
(d) Refuse
Q7. The chemical used in developing photographic films is
(a) silver bromide
(b) hypo
(c) sodium sulphate
(d) hydroquinone
Q8. Which of the following is biodegradable?
(a) Paper
(b) D.D.T
(c) Aluminium
(d) Plastic
(a) Gas
(b) Vapour
(c) Plasma
(d) Electrons
Q10. Which of the following are used for accurately measuring very small time intervals?
(a) Pulsars
(b) Quartz clocks
(c) Atomic clocks
(d) White dwarfs
Q11. ‘Cryogenics’ is a science dealing with
(a) high temperatures
(b) low temperatures
(c) friction and wear
(d) growth of crystals
Q12. Decibel is the unit used for
(a) Speed of light
(b) Intensity of heat
(c) Intensity of sound
(d) Radio wave frequency
Q13. Silk is produced by
(a) Egg of a silkworm
(b) Pupa of silkworm
(c) Larva of silkworm
(d) Insect itself
Q14. Which of the following is an egg laying mammal?
(a) Bat
(b) Leafy ant-eater
(c) Whale
(d) Spiny ant-eater
Q15. The deficiency of iodine leads to
(a) Hyperthyroidism
(b) Goitre
(c) Midgut
(d) Diabetes
