Revision Series | Science | General Science | 79

January 19, 2024

Eutrophication is the growth of Algal bloom induced by

(A) Nutrient depletion in freshwater bodies
(B) Nutrient enrichment in freshwater bodies
(C) Heavy metal accumulation in freshwater bodies
(D) Toxic chemical accumulation in freshwater bodies

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Answer- B

Eutrophication is defined as the inorganic nutrient enrichment of natural waters, leading to increased production of algae.

After the Bhopal disaster, a more comprehensive ___________ was passed in 1986.

(A) Environment Protection Act (EPA)
(B) The Air Act
(C) Central Motor Vehicle Act
(D) Pollution control Act

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Answer- A

CPCB initiated its own national Ambient Air Quality Monitoring (NAAQM) program in ______

(A) 1985
(B) 1982
(C) 1983
(D) 1986

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Answer- A

Which one of the following is not included under In-situ conservation?

(A) National Park
(B) Botanical Gardens
(C) Wild Life Sanctuary
(D) Biosphere Reserves

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Answer- B

In India, National Institute of Disaster Management is located at_____place

(A) Manipur
(B) Hyderabad
(C) Punjab
(D) New Delhi

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Answer- D

In cricket match, while catching a fast moving ball, a fielder in the ground gradually pulls his hands backwards with the moving ball to reduce the velocity to zero. The act represents

(A) Newton's first law of motion
(B) Newton's second law of motion
(C) Newton's third law of motion
(D) Law of conservation of energy

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Answer- B

Which one among the following statements is correct?

(A) Prokaryotic cells possess nucleus.
(B) Cell membrane is present both in plant and animal cells.
(C) Mitochondria and chloroplasts are not found in eukaryotic cells.
(D) Ribosome‘s are present in eukaryotic cells only.

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Answer- A

Lacrimal apparatus, Lacrimal artery, Lacrimal bone, Lacrimal ducts, Lacrimal fossa, Lacrimal fluid & Lacrimal gland are parts of which organ of the body?

(A) Ear
(B) Nose
(C) Eye
(D) Throat

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Answer- c

Which of the following is not a member of the vitamin B complex?

(A) Thiamine
(B) Riboflavin
(C) Folic acid
(D) Ascorbic acid

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Answer- D

The focal length of the lens of a normal human eye is about

(A) 25 cm
(B) 1 m
(C) 2.5 mm
(D) 2.5 cm

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Answer- A