Ozone layer prevents ______________ radiation from entering the atmosphere...? Mcqs

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Ozone layer prevents ______________ radiation from entering the atmosphere...?

(A) Infra-red
(B) Ultraviolet

(C) X-rays
(D) Gamma rays

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During the daytime, the air above the land gets heated up its density ____...?

(A) Increase
(B) Decrease

(C) Remain same
(D) Fluctuate

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Which of the following terms is used for species evolving from the same ancestor to different ecological niches...?

(A) Convergent evolution
(B) Divergent evolution

(C) Adaptive radiation
(D) Coevolution

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A telescope is an instrument that gathers _______ from distant sources....?

(A) Sound
(B) Light

(C) Heat
(D) Water

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Biosensor is used to measure...?

(A) Blood glucose level
(B) The body pH value

(C) Amount of hemoglobin
(D) Salinity in Urine

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Light travels in a ______...?

(A) Curved Path
(B) Zigzag Pattern

(C) Straight Line
(D) Circular Motion

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The entire light is reflected into the same denser medium, which is called total...?

(A) External reflection
(B) External refraction

(C) Internal reflection
(D) Internal refraction

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Which of the following animal is secondary consumer...?

(A) Dog
(B) Cat

(C) Cow
(D) Both A and B

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The stomach is the shape like bag...?

(A) J Shape
(B) E shape

(C) T shape
(D) None of these

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The natural world that surrounds a living and non-living things is called...?

(A) Ecosystem
(B) Environment

(C) Habitat
(D) Biodiversity

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