Environment Mcq's

Arise, awake, and, stop not till the goal is reached - Swami Vivekananda

Hi friends, Today I would like to share UPSC MCQ's for prelims 2019, try to solve them i will give the key if you don't get the answers. every day practice of mcq's and revision gives more chance to crack the exam.

The below mcq's from Ecology and Environment, try to solve them friends. If anybody wants to know the answers ask me in the below comment section, prepare well friends, thank you.

www.google.com

Ecology and Environment Questions:-

1. Consider the following statements:-

1. Sun is the only source of energy for all ecosystems on Earth

2. Of the incident solar radiation more than 50 per cent of it is Photosynthetically

Active Radiation (PAR)

Select the correct one

1. Only 1

2. Only 2

3. Both

4. None

2. Arrange the following in increasing order of ‘Productivity in Ecosystem’ (metric tonne

per year)

1. Woodland and shrubland < tropical rain forest < Continental shelf < Open sea

2. Continental shelf < Woodland and shrubland < Tropical rain forest < Open ocean

3. Tropical rain forest< Continental shelf< Woodland and shrubland < Open ocean

4. Woodland and shrubland < Continental shelf < Tropical rain forest < Open ocean

3. “ecological pyramids” means?

1. Grassland and forest ecosystem have similar Pyramid of Numbers.

2. Pyramid of Biomass is the most accurate among three ecological pyramids-Number,

Biomass and Energy.

3. Pyramid of Energy is always upright in nature irrespective of type of ecosystem.

Select the correct code

1. 1 and 2

2. 1, 2 and 3

3. Only 2

4. Only 3

4. Which among the following are examples of ‘Secondary Succession’?

1. Formation of a new Island after volcanic eruption

2. The renewal of a forest after a fire

3. A flooded land

4. The renewal of a crop after harvesting

Select the correct option

1. 1, 2 and 3

2. 2, 3 and 4

3. 1, 3 and 4

4. All

5. If the concentration of oxygen gets doubled in the atmosphere, what can be the

possible effects of the same?

1. We will die young

2. Most insects will grow bigger in size

3. We will be less prone to sickness

4. Our Vehicle will give better mileage

Select the correct option

1. 1, 2 and 3

2. 1, 3 and 4

3. 1, 2, 3 and 4

4. 2, 3 and 4
http://civilservicesguidance-by-anu.blogspot.com

6. The ecological footprint is a measure of human demand on the Earth's ecosystems. It

Measures?

1. How much of the biological capacity of the planet is demanded by a given human

activity or population

2. Ecological Footprints is calculated for overall activity of a nation or population and

activities such as industrialization etc.

3. The disadvantage of Ecological Footprint is that it cannot be calculated for individual

people or area.

Select the wrong statements

1. 1 and 2

2. Only 2

3. 1 and 3

4. Only 3

7. Which of the following describes the relationship of Mutualism?

1. Pollination

2. Rhizobium

3. Human and Bacteria

4. Zoochory

Select the correct code:

1. 1, 2 and 3

2. 2. 3 and 4

3. 2 and 4

4. All

8. Bioluminescence is the production and emission of light by a living organism. Which of

the following exhibit the phenomenon of Bioluminescence?

1. Krill

2. Fungi

3. Bacteria

4. Winged beetles

5. Octopus

Select the correct codes

1. 1, 2, 4 and 5

2. 1, 3, 4 and 5

3. 2, 3, 4 and 4

4. All

9. ‘A transition area between two adjacent but different landscape patches’ is called as

1. Ecozone

2. Ecoregion

3. Ecotone

4. Ethology

10. If you travel through the villages and interior of Central India and Northern India, the

traditional Water Harvesting System to be witnessed will be:

1. Zing

2. Johad

3. Kunds

4. Surangam

5. Kere

Select the correct codes

1. 1, 2, and 3

2. 1, 3, 4 and 5

3. 2, 4 and 5

4. All

http://civilservicesguidance-by-anu.blogspot.com