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Environmental Science

Description: Environmental Science GK Online Test Preparation and Practice Test and Study Materials
Number of Questions: 25
Created by:
Tags: Environmental Science BANK PO B.ED UPSC MBA GENERAL SCIENCE Infrastructure for Conservation of Flora & Fauna Conservation of Plants & Animals
Attempted 0/25 Correct 0 Score 0

Plants are _________.

  1. consumers

  2. producers

  3. saprophytes

  4. decomposers


Correct Option: B

Which of the following options is a producer?

  1. Algae

  2. Amoeba

  3. Fungi

  4. Bacteria


Correct Option: A

Fungi and bacteria are ___________.

  1. producers

  2. consumers

  3. scavengers

  4. decomposers


Correct Option: D

Which one of the following options is not an abiotic component?

  1. Air

  2. Water

  3. Plants

  4. None of these


Correct Option: C
Explanation:

Correct Answer: Plants

Parasites live on _____________.

  1. dead animals

  2. decomposed leaves

  3. living organisms

  4. microorganisms


Correct Option: C

Decomposed plant and animal matter in the soil is called ____________.

  1. humus

  2. humugous

  3. clay

  4. loam


Correct Option: A

The layer of soil from which plants draw their nutrients and water is called ___________.

  1. sub soil

  2. top soil

  3. loamy soil

  4. clay


Correct Option: B

The remains of plants and animals preserved between rocks are called _______________.

  1. fossil fuels

  2. fossils

  3. humus

  4. organic matter


Correct Option: B

Dust from factories can cause ____________.

  1. jaundice

  2. respiratory problems

  3. cholera

  4. malaria


Correct Option: B

Freshwater habitats are of two kinds. They are _______________.

  1. ponds and lakes

  2. rivers and streams

  3. still water and flowing water

  4. marine and brackish


Correct Option: A

Sub soil is also called __________.

  1. A horizon

  2. B horizon

  3. C horizon

  4. R horizon


Correct Option: B

The film of water held by soil particles is called ___________.

  1. gravitational water

  2. capillary water

  3. ground water

  4. free water


Correct Option: B

Coral reefs are formed by ___________.

  1. diatoms

  2. zooplanktons

  3. polyps

  4. algae


Correct Option: C

The highest share of water is used in __________.

  1. agriculture

  2. industries

  3. domestic

  4. others


Correct Option: A

The gas that protects us from ultra violet rays is _______________.

  1. argon

  2. ozone

  3. helium

  4. carbondioxide


Correct Option: B

The layer of the atmosphere that is associated with weather phenomenon is __________.

  1. troposphere

  2. ionosphere

  3. stratosphere

  4. ozone layer


Correct Option: A

Which of the following options produces fly ash on burning?

  1. Petrol

  2. Natural Gas

  3. Kerosene

  4. Coal


Correct Option: D

The drug derived from poppy is __________.

  1. morphine

  2. quinine

  3. atropine

  4. digitalis


Correct Option: A

Rubber is made from the ________ of rubber trees.

  1. latex

  2. resins

  3. gums

  4. flowers


Correct Option: A

Black soil is found in _________.

  1. Himachal Pradesh

  2. Rajasthan

  3. Uttar Pradesh

  4. Maharashtra


Correct Option: D

Mountain soil is rich in _____________.

  1. mineral deposit

  2. weathered parent rock

  3. humus

  4. good crumb structure


Correct Option: C

Scientists who study soil are called __________.

  1. botanist

  2. chemist

  3. microbiologist

  4. pedologist


Correct Option: D

Radio waves are reflected by the ___________.

  1. troposphere

  2. ionosphere

  3. stratosphere

  4. ozone layer


Correct Option: B

Marine habitats can be broadly divided into _____________.

  1. delta, coastal and deep sea

  2. coastal, continental and coral reefs

  3. wetlands, coastals and coral reefs

  4. coastal, deep sea and coral reefs


Correct Option: D

CFC (Chlorofluorocarbon) is used in

  1. refrigerators

  2. cars

  3. televisions

  4. washing machines


Correct Option: A
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