CBSE Class 8 Science by Pavan | Practice Test to Test Your Knowledge
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CBSE Class 8 Science

CBSE Class 8 Science

Comprehensive mock test covering Life Processes, Natural Resources, and Environmental Science. Features practical-based questions, diagrams, and scientific applications following CBSE curriculum.

2025-07-16
Pavan Pavan
Science CBSE Class 8 Grade 8

Duration

30 min

Questions

30

Marking

Negative

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Questions Preview

What is the first step before growing a crop?

A
Preparation of soil
B
Sowing seeds
C
Irrigation
D
Harvesting

Which crop is grown during the rabi season?

A
Wheat
B
Paddy
C
Maize
D
Soybean

What is the primary purpose of adding manure and fertilizers to the soil?

A
To enrich the soil with nutrients
B
To remove weeds
C
To prepare the soil for sowing
D
To improve soil texture

Which of the following is a traditional method of irrigation?

A
Drip irrigation
B
Sprinkler system
C
Moat
D
Drip system

What is the process of separating grain from chaff called?

A
Harvesting
B
Threshing
C
Winnowing
D
Sowing

Which is the most suitable crop for the kharif season?

A
Wheat
B
Rice
C
Cotton
D
Maize

What is the main purpose of using weedicides?

A
To enrich the soil
B
To remove unwanted plants
C
To water the crops
D
To fertilize the crops

Which tool is used for loosening the soil before sowing?

A
Hoe
B
Plough
C
Seed drill
D
Harvester

Which of the following crops is grown in the rabi season?

A
Paddy
B
Maize
C
Wheat
D
Soybean

Which of the following is a modern method of irrigation?

A
Sprinkler system
B
Moat
C
Dhekli
D
Rahat

Which crop is typically grown during the summer season?

A
Rice
B
Pea
C
Cucumber
D
Barley

Which tool is used for sowing seeds in a uniform manner?

A
Hoe
B
Seed drill
C
Plough
D
Cultivator

What is the main reason for the practice of crop rotation?

A
To increase soil fertility
B
To reduce soil erosion
C
To enhance irrigation
D
To control pests

Which of the following is an example of an organic manure?

A
Urea
B
Ammonium sulfate
C
Cow dung
D
Super phosphate

Which of the following tools is used for cutting crops at harvest?

A
Sickle
B
Plough
C
Hoe
D
Cultivator

Which of the following methods helps conserve water in irrigation?

A
Drip irrigation
B
Flood irrigation
C
Sprinkler system
D
Canal irrigation

What is the primary reason for the use of ploughs in farming?

A
To sow seeds
B
To loosen the soil
C
To water the crops
D
To harvest the crops

Which of the following methods is used to water crops in uneven terrain?

A
Sprinkler system
B
Canal irrigation
C
Flood irrigation
D
Wells

Which of the following crops is grown in the rainy season?

A
Wheat
B
Maize
C
Gram
D
Soybean

What is the best time for removing weeds?

A
Before they flower
B
During flowering
C
After seeds are formed
D
After harvesting

What is the process of removing weeds from a field called?

A
Weeding
B
Sowing
C
Threshing
D
Harvesting

Which of the following crops is a legume?

A
Wheat
B
Soybean
C
Cotton
D
Maize

What is the main purpose of irrigation?

A
To provide water to crops
B
To remove weeds
C
To loosen the soil
D
To harvest crops

Which of the following is a modern method of irrigation that reduces water wastage?

A
Flood irrigation
B
Sprinkler system
C
Canal irrigation
D
Wells

Which of the following is used to protect stored grains from pests?

A
Neem leaves
B
Weedicides
C
Fertilisers
D
Manure

What is the process of drying grains before storing them called?

A
Threshing
B
Winnowing
C
Harvesting
D
Drying

What is the main advantage of using organic manure over chemical fertilizers?

A
It provides humus to the soil
B
It increases the risk of water pollution
C
It contains only one nutrient
D
It is synthetic

What is a common method of separating the grain from the chaff?

A
Thresher
B
Combine
C
Winnowing
D
Hoe

What does the term 'crop rotation' refer to?

A
Growing the same crop continuously
B
Growing different crops alternately
C
Changing the irrigation method
D
Switching between rabi and kharif crops

Which of the following methods helps reduce the need for chemical fertilizers?

A
Crop rotation
B
Flood irrigation
C
Monoculture
D
Chemical spraying