Explore topic-wise MCQs in GENERAL SCIENCE.

This section includes 25 Mcqs, each offering curated multiple-choice questions to sharpen your GENERAL SCIENCE knowledge and support exam preparation. Choose a topic below to get started.

1.

Desertification is caused by?

A. Deforestation due to uprooting of forests
B. due to soil erosion caused by water
C. due to soil erosion caused by wind
D. Due to very high temperature and less rainfall
Answer» E.
2.

What is the biological component of environment and ecology?

A. Soil
B. water
C. Air
D. Vegetation
Answer» E.
3.

What is the physical component of environment and ecology?

A. Animals
B. Vegetation
C. flowing water
D. Ecology
Answer» D. Ecology
4.

What is the study of interactions between organisms and their environment called?

A. Life Sciences
B. Biogeography
C. Physics
D. Ecology
Answer» E.
5.

Who used the word 'Ecology' for the first time?

A. Odom
B. Tonsley
C. Taylor
D. Darwin
Answer» C. Taylor
6.

In which group of fungi are included in the forest ecosystem?

A. producer
B. Consumer
C. Secondary consumer
D. decomposer
Answer» E.
7.

Who has been made to help the countries most affected by climate change?

A. Green Climate Fund
B. Climate Relief Fund
C. Green Bank
D. World Green Fund
Answer» B. Climate Relief Fund
8.

What are the ill effects of Deforestation?

A. soil erosion
B. weed control
C. the sunlight
D. the growth of pastures
Answer» B. weed control
9.

There is a lot of moisture and water in the mountains. Why are there still dead here?

A. Water turns into ice on the mountains
B. The water gets carried away due to slopes and is not used by the plants.
C. Rocks of mountains cannot absorb water.
D. None of the above.
Answer» B. The water gets carried away due to slopes and is not used by the plants.
10.

What is an example of a natural ecosystem?

A. farm
B. Dam
C. Lake
D. Park
Answer» D. Park
11.

What is an example of an artificial ecosystem?

A. coral reef
B. Wetland
C. farm
D. river
Answer» D. river
12.

What is an example of a saline water ecosystem?

A. river
B. coral reef
C. Dam
D. Pond
Answer» C. Dam
13.

What is an example of a clean water ecosystem?

A. Beach
B. Gulf
C. Eschury
D. Pond
Answer» E.
14.

Who connects the biotic and abiotic components of an ecosystem?

A. producer
B. organic matter
C. Inorganic substances
D. Consumer
Answer» D. Consumer
15.

Soil erosion can be prevented?

A. excessive grazing of animals
B. by cutting of vegetation
C. by afforestation
D. increasing the population of birds
Answer» D. increasing the population of birds
16.

Who decides the number of producers and consumers in an ecosystem?

A. Climatic factors
B. surface factor
C. Biological factors
D. soil factor
Answer» B. surface factor
17.

Which is the basis of interactions between plants and animals of an ecosystem?

A. producer
B. nutritional relationship
C. energy flow
D. decomposers
Answer» C. energy flow
18.

Whose converts light energy into chemical energy?

A. Microorganisms
B. decomposers
C. Secondary consumer
D. green plants
Answer» E.
19.

The autotrophic components of an ecosystem are?

A. Microorganisms
B. Predator
C. Plant
D. mortal
Answer» D. mortal
20.

What are green plants called in ecology?

A. Communicator
B. producer
C. Consumer
D. reflector
Answer» C. Consumer
21.

Which is the world's most famous insecticide?

A. D.D.T.
B. B.H.C.
C. Flit
D. Begoun
Answer» B. B.H.C.
22.

What are herbivorous animals called?

A. producer
B. primary consumer
C. Secondary consumer
D. Tertiary consumer
Answer» C. Secondary consumer
23.

In which category does the dog belong?

A. primary consumer
B. Secondary consumer
C. Tertiary consumer
D. producer
Answer» C. Tertiary consumer
24.

In which class do omnivorous animals come from?

A. producer
B. primary consumer
C. Secondary consumer
D. Tertiary consumer
Answer» D. Tertiary consumer
25.

Who are Tertiary Consumers?

A. Elephant
B. Rhinoceros
C. Ostrich
D. eagle
Answer» E.