Density of a population (D) is D = N(number) / S(space)

1.A non-narcotic drug is
(a) Morphine
(b) Heroin
(c) Cocaine
(d) Codeine
Answer: (c)
2.A population with natality equal to mortality is
(a) Increasing
(b) Decreasing
(c) Stable
(d) Growing
Answer: (c)
3.According to National Population Policy, the marriageable age for girls has been raised in India from 15 years to
(a) 19
(b) 18
(c) 17
(d) 16
Answer: (b)
4.Addiction of Tobacco is due to
(a) Histamine
(b) Nicotine
(c) Cocaine
(d) Caffeine
Answer: (b)
5.An opiate narcotic is
(a) Morphine
(b) LSD
(c) Amphetamine
(d) Barbiturate
Answer: (a)
6.Brown sugar is
(a) Barbiturate
(b) Heroin
(c) LSD
(d) Hashish
Answer: (b)
7.Caffeine is derived from
(a) Thea chinesis
(b) Coffea arabic
(c) Therobroma cacao
(d) All of the above
Answer: (d)
8.Cannabis sativa is
(a) Jute
(b) Ergot
(c) Tobacco
(d) Hemp
Answer: (d)
9.Claustrophobia is fear of
(a) Open space
(b) Confined space
(c) Heights
(d) Strangers
Answer: (b)
10.Consequences of population explosion were explained for the first time by
(a) De Vries
(b) Malthus
(c) Darwin
(d) Lamarck
Answer: (b)
11.Demographic features of developing countries are
(a) High infant mortality, low fertility, young age distribution and uneven population growth
(b) High fertility, high density, high mortality rate and young age distribution
(c) High fertility, falling mortality rate, rapid population growth and young age distribution
(d) High density, high mortality, uneven population growth and very old age distribution
Answer: (c)
12.Density of a population (D) is
(a) D = S(size) / W(weight)
(b) D = S(space) / N(number)
(c) D = N(number) / S(space)
(d) None of the above
Answer: (c)
13.Each environment supports a limited population depending upon its
(a) Biotic potential
(b) Carrying capacity
(c) Natality
(d) Reproductive potential
Answer: (b)
14.Ergot of fungus produces
(a) Charas
(b) LSD
(c) Marijuana
(d) Barbiturates
Answer: (b)
15.Excessive consumption of alcohol leads to
(a) Damaged muscles
(b) Increased alertness
(c) Liver cirrhosis
(d) Damage to brain
Answer: (c)
16.Fatty liver syndrome is due to excessive intake of
(a) Morphine
(b) Tobacco
(c) Alcohol
(d) Both B and C
Answer: (c)
17.From which of the following parts of the plant is opium obtained?
(a) New leaves
(b) Roots
(c) Seeds
(d) Unripe capsule
Answer: (d)
18.Group of interbreeding organisms found in a particular area is
(a) population
(b) community
(c) tribe
(d) density
Answer: (a)
19.Hashish and Ganja are got from
(a) Erythroxylon
(b) Nicotiana
(c) Papaver
(d) Cannabis
Answer: (d)
20.In a growing population growth in the middle phase is
(a) Stabilized growth
(b) Maximum growth
(c) No growth
(d) Declining growth
Answer: (b)