91. The acidification of oceans is increasing. Why is this
phenomenon a cause of concern?
1. The growth and survival of
calcareous phytoplankton will be adversely affected.
2. The growth and survival of
coral reefs will be adversely affected.
3. The survival of some animals
that have phytoplanktonic larvae will be adversely affected.
4. The cloud seeding and formation
of clouds will be adversely affected.
Which of the statements given
above is/are correct?
(a)
1, 2 and 3 only (b)
2 only (c) 1 and 3 only (d) 1, 2, 3 and 4
92. Consider the following statements about ‘Green-Bridge’
technology used to clean the polluted lakes:
1. It uses filtration and
purification power of fibrous materials like coconut coir or dried water
hyacinth to form the bridge.
2. Energy
sources are sun and air.
93. It is an expensive technique.
4. It has recently been used to
salvage the famed Udaisagar Lake inUdaipur.
Which of the above given
statements are correct?
(a)
1 and 2 only (b) 1, 2 and 3 only (c) 1, 2 and 3 only (d) All of the above
94. Consider the following statements about Siberian Crane:
1. It is a migratory bird.
2. It visits Keoladeo National Park, in Rajasthan, in
winters.
3. It is a white –eyed bird with a scarlet face.
4. It is facing local extinction.
Which of the above given statements are correct?
(a)
1 only (b) 1 and 2 only (c) 1, 2 and 3 only (d) All of the above
95. Which of the following birds is/are facing extinction?
1. Red-wattled Lapwing
2. Indian Vulture
3. Little Cormorant
4. Pale-crested Cuckoo
Select the correct answer using
the codes given below.
(a)
1 only (b) 2 only (c) 2 and 3 only (d) 1, 3 and 4 only
96. Consider the following statements about the Corbett
National Park.
1. It is India’s oldest National Park.
2. It is located in Rajasthan
3. It is the biggest haven for tigers.
4. It is also famous for wild elephants, birds, butterflies
and gharials.
Which of the above given statements is/are correct?
(a)
1 and 2 only (b) 1, 2 and 3 only (c) 1, 3 and 4 only (d) 1, 2, 3 and 4
97. Which of the following techniques is/are deployed for
tiger census in India?
1. E-Eye (Electronic –Eye)
2. Seat (faecal matter) analysis
3. Pug- marks
4. Radio collar/ GPS collar
Select the correct answer using the codes given below:
(a)
1 and 2 only (b) 2 and 3 only (c) 1 and 4 only (d)
1, 2, 3 and 4
98. Consider the following statements about the Iconic Great
Barrier Reef.
1. It is located in Queensland State of Australia
2. It is world’s largest reserve of corals.
3. UNESCO has listed it as an endangered site.
4. It is under threat’ from industrial development.
Which of the above given statements is/are correct?
(a)
1 only (b) 1 and 2 only (c) 1 and 3 only (d) 1, 2, 3 and 4
99. The Indian
Eastern Coastal State of Odisha was
recently in news for
1. Launching of Agni-V
2. Traumatic tsunami
3. Olive ridley turtles
4. Infant mortality due to malnutrition
Select the correct answer using the codes given below.
(a)
1, 2 and 3 only (b)
1 and 3 only (c) 1, 3 and 4 only (d) 2, 3 and 4 only
100. Consider the following characteristic features of
Protected Area (PA).
1. It is a clearly defined geographical space dedicated and
managed to achieve long-term conservation of nature.
2. It includes government reserved forests.
3. It comprises wildlife sanctuaries and National Parks.
4. In these areas human occupation and exploitation of
resources is limited.
Which of the above given statements is /are correct?
(a)
1 and 2 only (b) 1 and 3 only (c) 1, 3 and 4 only (d) All of the above
answers
a
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