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Environmental Science MCQ Questions and answers | EVS MCQ

Learn and practice General Knowledge questions and answers on Environmental Science MCQ with very easy and understandable explanations. EVS MCQ questions are very helpful different type of competitive ex Page-1 section-5

Each section contains 100 MCQs on Environmental Science .
1
The heat energy released when water vapour changes to a liquid is called:
Discuss
Answer & Solution
Answer: Option D
Solution:
Latent heat of condensation, also called the heat of vaporization, is the amount of energy necessary to change a liquid to a vapour at constant temperature and pressure.
2
Molten rock deep inside the earth is called
Discuss
Answer & Solution
Answer: Option D
Solution:
Below the crust lies a layer of very hot, almost solid rock called the mantle. Beneath the mantle lies the core. ... Sometimes, hot molten rock, called magma, bursts through Earth's surface in the form of a volcano.
3
Pangolins feed on
Discuss
Answer & Solution
Answer: Option A
Solution:
The diet of pangolins is fairly simple and straightforward. They are carnivorous animals, usually consuming a wide variety of ant and termite species, but are also able to eat larvae and a few other insects.
4
Suppose saturated polar air has an air temperature and dew point of -10o C, and unsaturated desert air has an air temperature of 35o C and a dew point of 10o C. The desert air contains ______ water vapour and has a ________ relative humidity than the polar air.
Discuss
Answer & Solution
Answer: Option A
Solution:
Suppose saturated polar air has an air temperature and dew point of -10o C, and unsaturated desert air has an air temperature of 35o C and a dew point of 10o C. The desert air contains more water vapour and has a relative humidity than the polar air.
5
Radiation can cause
Discuss
Answer & Solution
Answer: Option C
Solution:
Radiation can cause leukemia.
6
Which of the following is the best indicator of SO2 pollution.
Discuss
Answer & Solution
Answer: Option C
Solution:
Lichens are the best indicator of environmental pollution mainly SO2.
7
The term "latent" means:
Discuss
Answer & Solution
Answer: Option D
Solution:
The term "latent" means: existing but not yet developed or manifest; hidden or concealed.
8
Biotic potential is counteracted by
Discuss
Answer & Solution
Answer: Option D
Solution:
None of the above
9
What is Bagasse? What is it used for?
Discuss
Answer & Solution
Answer: Option A
Solution:
Bagasse is the dry pulpy fibrous residue that remains after sugarcane or sorghum stalks are crushed to extract their juice. It is used as a biofuel for the production of heat, energy, and electricity, and in the manufacture of pulp and building materials.
10
Red Data Book Provides data on
Discuss
Answer & Solution
Answer: Option D
Solution:
The Red data book is the state document established for documenting rare and endangered species of animals, plants and fungi. This book provides central information for studies and monitoring programmes on rare and endangered species and their habits.