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Class 9 (692 questions)
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by GIANSH GUPTA KHUNDKER
· Class 9
If an astronaut takes a 100 kg rock from the Earth to the Moon, what happens to the mass and weight of the rock?
A. Mass changes, weight remains the same.
B. Mass remains the same, weight changes.
C. Both remain the same.
D. Both change.
Science
Gravitation
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by GIANSH GUPTA KHUNDKER
· Class 9
What does the "red data book" keep a record of?
A. Endangered species.
B. Deforestation rates.
C. Water pollution levels.
D. Mineral resources
Science
Natural Resources
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by GIANSH GUPTA KHUNDKER
· Class 9
Which method is most effective for conserving soil?
A. Deforestation
B. Overgrazing
C. Afforestation
D. Over-irrigation
Science
Natural Resources
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by GIANSH GUPTA KHUNDKER
· Class 9
Which of the following is not a fossil fuel?
A. Coal
B. Petroleum
C. Natural Gas
D. Wood
Science
Natural Resources
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by GIANSH GUPTA KHUNDKER
· Class 9
The process where bacteria convert soil nitrogen into molecular nitrogen is called:
A. Nitrogen fixation
B. Nitrification
C. Denitrification
D. Ammonification
Science
Natural Resources
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by GIANSH GUPTA KHUNDKER
· Class 9
Which of the following is responsible for the destruction of the ozone layer?
A. Carbon monoxide
B. Carbon dioxide
C. Chlorofluorocarbons (CFCs)
D. Nitrogen dioxide
Science
Natural Resources
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by GIANSH GUPTA KHUNDKER
· Class 9
In a composite fish culture system, Catla fishes are typically:
A. Surface feeders
B. Middle-zone feeders
C. Bottom feeders
D. Feed on aquatic weeds
Science
Improvement in Food Resources
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by GIANSH GUPTA KHUNDKER
· Class 9
Totipotency is a term used in advanced agriculture to describe:
A. The ability of a cell to develop into a whole plant
B. The ability of a plant to resist all pests
C. The capacity of a soil to hold water
D. The maximum yield potential of a seed
Science
Improvement in Food Resources
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by GIANSH GUPTA KHUNDKER
· Class 9
Which of the following is considered a macronutrient for plants?
A. Zinc
B. Iron
C. Potassium
D. Boron
Science
Improvement in Food Resources
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by GIANSH GUPTA KHUNDKER
· Class 9
By the time the doctor arrived, the patient ______ .
A. died
B. had died
C. has died
D. was dying
English
Verbs
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by GIANSH GUPTA KHUNDKER
· Class 9
Choose the correct form of verb:
The committee ______ to a decision after hours of debate.
A. have come
B. has come
C. are coming
D. were coming
English
Verbs
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by GIANSH GUPTA KHUNDKER
· Class 9
Identify the adjective in: "The shining armor belonged to the king."
a) shining
b) armor
c) belonged
d) king
English
Prepositions
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by GIANSH GUPTA KHUNDKER
· Class 9
Choose the correct order of adjectives to fill in the blank: "She bought a/an _______ table."
a) wooden, old, small
b) small, old, wooden
c) old, wooden, small
d) small, wooden, old
English
Adjectives
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by GIANSH GUPTA KHUNDKER
· Class 9
4. Choose the sentence with the correct usage of prepositions:
A. He is suffering with severe back pain.
B. He is suffering from severe back pain.
C. He is suffering at severe back pain.
D. He is suffering against severe back pain.
English
Prepositions
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by GIANSH GUPTA KHUNDKER
· Class 9
Preposition:
1. The project was completed within two weeks, _____ despite the lack of funding.
A. besides
B. among
C. beyond
D. through
English
Prepositions
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by GIANSH GUPTA KHUNDKER
· Class 9
A particle is moving in a circular path of radius
. The displacement after half a circle would be:
(a) Zero
(b) πr
(c) 2r
(d) 1/2πr^2
Science
Motion
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by GIANSH GUPTA KHUNDKER
· Class 9
Suppose a boy is moving with a uniform velocity of 10 m/s on a merry-go-round ride. Which of the following is true?
(a) The boy is at rest.
(b) The boy is moving with no acceleration.
(c) The boy is moving with accelerated motion.
(d) The boy is moving with uniform velocity.
Science
Motion
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by GIANSH GUPTA KHUNDKER
· Class 9
Suppose a boy is moving with a uniform velocity of 10 m/s on a merry-go-round ride. Which of the following is true?
(a) The boy is at rest.
(b) The boy is moving with no acceleration.
(c) The boy is moving with accelerated motion.
(d) The boy is moving with uniform velocity.
Science
Motion
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by GIANSH GUPTA KHUNDKER
· Class 9
Pointing to a photograph, a person says, "This man's sister is my wife." How is the man in the photograph related to the person?
a) Brother-in-law
b) Brother
c) Father
d) Son
Reasoning
Blood Relations
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by GIANSH GUPTA KHUNDKER
· Class 9
Q1. Pointing to a man, a woman said, "His mother is the only daughter of my mother." How is the woman related to the man?
a) Sister
b) Grandmother
c) Mother
d) Daughter
Reasoning
Blood Relations
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