76. Silent valley is located in
A. Assam
B. Kerala
C. Africa
D. Andhra Pradesh
Answer: B
Explanation: Silent valley is a National Park in Nilgiri Hills in Kerala’s Palakkad District. It consists of tropical rain forests & moist deciduous forests. Alongwith Karimpuzha & Mukurthi National Park, it forms the part of Nilgiri International Biosphere Reserve.
77. Which of the following non-conventional sources of energy holds out the maximum promise in India?
A. Solar Energy
B. Geothermal Energy
C. Tidal Energy
D. Wind Energy
Answer: A
Explanation: Solar Energy non-conventional sources of energy holds out the maximum promise in India. Solar energy is harnessed by converting solar energy directly into electrical energy in solar plants. Photosynthesis process carries out this process of conversion of solar energy. In photosynthesis, green plants absorb solar energy and convert it into chemical energy. Solar energy is an essential energy of all non-conventional sources but its usage amount is very less. It is the most important non-conventional source of energy and it gives non-polluting environment-friendly output and is available in abundant.
78. What is meant by ‘energy crisis’?
A. Shortage of hydro-electricity
B. Malnutrition leading to short supply of energy in the human body
C. Shortage of the thermal power
D. Impending danger of total exhaustion of fossil fuels like coal and petroleum
Explanation: An energy crisis is any significant bottleneck in the supply of energy resources to an economy. It often refers to one of the energy sources used at a certain time and place, in particular those that supply national electricity grids or those used as fuel in vehicles.
79. World’s only floating National Park is located in
A. Manipur
B. Kuala Lumpur
C. Bilaspur
D. Dispur
Answer: A
Explanation: Keibul Lamjao National Park is situated on Lake Loktak in Bishnupur district of Manipur state in NE India and is the only floating park in the world.
80. Which one of the following is not a site for ‘in-situ’ method of conservation of flora?
A. Biosphere Reserve
B. Botanical Garden
C. National Park
D. Wildlife Sanctuary
Answer: B
Explanation: Botanical Garden is not a site for ‘in-situ’ method of conservation of flora. In-situ conservation is on site conservation or the conservation of genetic resources in natural populations of plant or animal species, such as forest genetic resources in natural populations of tree species.
81. The natural habitat of Rhinoceros in India is
A. Bharatpur
B. Gir forest
C. Kaziranga
D. Nilgiris
Answer: C
Explanation: Khaziranga National Park with 2/3rd of one horned rhinoceros of the world is the natural habitat of rhinoceros in India
82. Red Data Book provides an account of
A. Extinct animals only
B. Endangered plants ; animals
C. Endangered plants only
D. Fossil plants
Answer: B
Explanation: Red Data Book released by International Union for Conservation of Nature is regarding endangered & vulnerable biotic species (plants and animals). It was started in 1964.
83. In which of the following wild life sanctuary of India, where project of conservation of Rhinos is underway?
A. Bandipur
B. Periyar
C. Kaziranga
D. Gir
Answer: C
Explanation: Kaziranga National Park has about 2/3rd of world’s great one horned rhinoceroses. It is situated in Assam as a renowned “World Heritage Site”.
84. Main constituents of biogas are
A. Methane and carbon monoxide
B. Butane and carbon monoxide
C. Methane and carbon dioxide
D. Ethylene and carbon dioxide
Answer: C
Explanation: Main constituents of biogas are Methane and carbon dioxide. Biogas comprises primarily methane (CH4) and carbon dioxide (CO2) and may have small amounts of hydrogen sulphide (H2S), moisture and siloxanes.
85. Which of the following is the largest Biosphere Reserve of India?
A. Nilgiri
B. Nanda Devi
C. Sundarban
D. Gulf of mannar
Answer: D
Explanation: This Biosphere Reserve is also known as Gulf of Mannar Marine National Park. It is largest of biosphere reserves in India. It is located between India & Sri Lanka in Indian Ocean as shallow water body. A rare species dugong (Sea cow) is found here.
86. Sariska and Ranthambore are the reserves for which of the following?
A. Lion
B. Deer
C. Tiger
D. Bear
Answer: C
Explanation: Sariska Tiger Reserve is in Alwar & Ranthambore, Tiger Reserve is in Sawai Madhopur district of Rajasthan.
87. The problem of arsenic in India is due to
A. Overexploitation of surface water inaffected areas
B. Overexploitation of arsenopyrite in land
C. Overexploitation of coal in Bihar and Bengal
D. Overexploitation of ground water in affected areas
Answer: D
Explanation: Being heavy the concentration of arsenic in the lower levels of underground water keeps on increasing, As the water table shrinks the concentration of Arsenic increases automatically which is hazardous to health, e.g. in Ganga Brahmaputra basin.
88. Which of the following is known as “Bio-Diversity” hotspot of India”?
A. Western Ghats
B. Eastern Ghats
C. Western Himalayas
D. Eastern Himalayas
Answer: A
Explanation: Western Ghats have around 1800 endemic species. Most of them Me endangered due to human activities in the region. Hence, it is made the bio-diversity hotspot so as to save the receding species of this region.
89. Geothermal energy may serve as an important source of energy in
A. The Konkan Coast
B. Ladakh District
C. Aravalli Hills
D. Narmada Valley
Answer: B
Explanation: Geothermal energy is thermal energy generated and stored in the Earth. Geothermal energy may serve as an important source of energy in Ladakh District.
90. In India the most important source of energy is
A. Petroleum
B. Coal
C. Nuclear
D. Hydro-electricity
Answer: B
Explanation: In India the most important source of energy is Coal. Coal is the main source of energy in India and it accounts for about 67% of country’s commercial requirements.
