51
Acid rain is a result of, upset of
Answer
D. Both (B) and (C)
52
The progressive accumulation of non-biodegradable chemicals through the food chain is called
Answer
A. Biomagnification
53
Red data list include those species that are
Answer
B. Facing the risk of extinction
54
The species that are confined to a particular geographical area are
Answer
C. Endemic species
55
Which of the following is an example of In Situ biodiversity conservation?
Answer
A. Biosphere Reserves
56
The place where one would go to find a particular organism is known as
Answer
D. Habitat
57
Human exposure to radiation is generally measured in
Answer
A. Rems
58
ISO 14000 Standards deal with
Answer
B. Environmental management
59
The brightness of famous Taj Mahal is decreased due to
Answer
B. Acid rain
60
Suppose you live in the city of Delhi with average annual rainfall, 910 mm. Your house has a terrace area of 100 sq.m. How much of rainwater can you collect in a year?
Answer
C. 91 cu.m.
61
Objective of Integrated Pest Management is
Answer
C. Keep pest population below a threshold level
62
Splash erosion is influenced by
Answer
C. Both (1) and (2)
63
Heavy metal contents in water sample is measured by
Answer
A. Atomic Absorption Spectrophotometer
64
Which of the following is used as biopolymer for synthesis of bioplastics?
Answer
D. All of these
65
The process in which large and heavy soil particles (> 0.5 mm diam.) are moved is
Answer
B. Surface creep
66
Fate of chemical pesticide in soil is
Answer
D. All of these
67
Sheet erosion is related to
Answer
A. Land with mild and uniform slope
68
Basic principle of separation in Paper Chromatography is
Answer
B. Partition
69
Parts Per Million (PPM) means
Answer
C. Both (A) and (B)
70
Autoclaving is
Answer
D. Moist heat sterilization
71
MPN test enumerates
Answer
B. Coliforms
72
The main cause of Fukushima Power Plant Accident was
Answer
A. Tsunami
73
When input of water is more than output of water the condition called as ............... is created in field.
Answer
A. Water logging
74
Which of the following is a principle of Green chemistry?
Answer
D. All of these
75
The material used as biosensor is
Answer
D. All of these
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