(Papers) : IIT Madras HSEE Papers-2021

(General Studies–Ecology and Environment)

127. Which one of the following is not one of the four pillars of human development?
1. Sustainibility
2. Maturity
3. Empowerment
4. Productivity
128. Match the name of the biosphere reserve with the state in which it is located:
1. (p)=(i),
(q)=(iv),
(r)=(ii),
(s)=(iii)
2. (p)=(i),
(q)=(ii),
(r)=(iii),
(s)=(iv)
(p) Nokreg (i) Kerala
(q) Sunderbans (ii) West Bengal
(s) Nanda Devi (iv) Meghalaya
(r) Agasthiar Hill (iii) Uttarakhand
3. (p)=(iii),
(q)=(iv),
(r)=(ii),
(s)=(i)
4. (p)=(iv),
(q)=(ii),
(r)=(i),
(s)=(iii)
129. According to the Indian Council for Agricultural Research (ICAR), the four major types of soil order are listed below. Identify the correct sequence in order of decreasing percentage of distribution across India:
1. Alfitols, 2. Entisols, 3. Inceptisols, and 4. Vertisols
1. (3)-(2)-(1)-(4)
2. (4)-(2)-(1)-(3)
3. (1)-(2)-(3)-(4)
4. (4)-(3)-(2)-(1)
130. Which of the following is caused due to iron deficiency?
1. Night blindness
2. Marasmus
3. Goitre
4. Anaemia
131. For an ecosystem, the diversity between communities is called as
1. Landscape diversity
2. Alpha diversity
3. Beta diversity
4. Gamma diversity
132. In an aquatic ecosystem, Biological Oxygen Demand (BOD) is a measure of oxygen (O2) required by aerobic decomposers in water. A higher BOD in a system indicates
1. High Dissolved Oxygen
2. Equal amount of Dissolved Oxygen
3. Low Dissolved Oxygen
4. High produciton of Oxygen (O2)
133. The Mojave desert in Southern California is an example of
1. Temperate desert
2. Tropical desert
3. Total desert
4. Cold desert
134. Based on the time taken for degradation (from high to low), choose the correct option
1. Polythene bag - Leather shoe - Aluminium can - Wooden chair
2. Polythene bag - Wooden chair - Leather shoe - Aluminium can
3. Polythene bag - Aluminium can - Leather shoe - Wooden chair
4. Polythene bag - Aluminium can - Wooden chair - Leather shoe
135. With '+' sign representing beneficial interaction and '-' sign indicating detrimental interaction, in a population interaction for species A and B, '+' and '+' interaction is
1. Predation
2. Competition
3. Parasitism
4. Mutualism
136. Which one of the following is caused by deforestation?
1. Increased soil erosion
2. Decreased soil fertility
3. Regional and global climate change
4. All of the above
137. The Cauvery river water dispute is mainly between the following states
1. Kerala and Tamil Nadu
2. Karnataka and Tamil Nadu
3. Karnataka and Kerala
4. Tamil Nadu and Andhra Pradesh
138. Which one of the following has the richest biodiversity?
1. Temperate rainforest
2. Tropical scrub forest
3. Tropical rain forest
4. Tropical deciduous forest
139. In the terrestrial ecosystem, according to the pyramid of biomass, the maximum biomass occurs in
1. Consumers
2. Producers
3. Herbivores
4. Carnivores
140. Which one of the following is not non-renewable energy source
1. Solar Energy
2. Wind Energy
3. Nuclear Energy
4. Geothermal Energy
141. Which one of the following gas is a major component of the Biogas
1. Hydrogen Sulphide
2. Hydrogen
3. Ethane
4. Methane
142. Which of the following could lead to the desertification
1. Deforestration
2. Over grazing
3. Surface Mining
4. All of the above
143. Which one of the following cropping pattern is good for soil conservation
1. Rotational cropping (crop rotation)
2. Mono cropping
3. Mixed Cropping
4. All of the above
144. It is because of the presence of atmosphere around the Earth the life is possible. Without the atmosphere Earth would be
1. Too cold
2. Too Windy
3. Too Hot
4. Too wet

Download Free e-Books for CBSE Students

Courtesy: HSEE