Science and Environment Quiz: Day 72

January 23, 2023

Telescope was invented by

(A) Han Lippershey
(B) Galilio
(C) Nicolus Coppernicus
(D) Ptolomy

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Answer : A

Consider the following statement :
1. On a full moon day, when the Sun is setting in the west, moon rises in the West
2. Galilio accepted the Geo-centric model.
3. The planet Venus in our solar system doesn’t have a moon.
Which of the statement is/are correct:

(A) Only 1 and 3
(B) Only 2 and 3
(C) Only 3
(D) None of the these

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Answer : C

Consider the following statement :
1 Halley’s comet appears after nearly 67 hours.
2. Satellites nearer to the Earth should have lesser orbital velocity.
Which of the statement is/are correct:

(A) Only 1
(B) Only 2
(C) Both 1 and 2
(D) Neither 1 nor 2

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Answer : D

________ was the first manned mission of NASA to go to the moon.

(A) Apollo-5
(B) Apollo-8
(C) Apollo-10
(D) Apollo-11

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Answer : D

Which one of the following is the correct sequence of the given planets in increasing order of their size (diameter) ?

(A) Mars - Venus - Earth - Mercury - Uranus
(B) Mercury - Mars - Venus - Earth - Uranus
(C) Mercury - Mars - Venus - Uranus - Earth
(D) Venus - Mercury - Mars - Earth – Uranus

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Answer : B

Consider the following statement:
1. Our Milky Way galaxy is identified as an elliptical galaxy
2. Ganymede is the largest moon of our solar system.
3. Uranus has the longest summers and winters of all planets.
Which of the statement is/are correct:

(A) Only 1 and 2
(B) Only 2 and 3
(C) Only 1 and 3
(D) All of the these

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Answer : B

Assertion (A): Existence of human life on Venus is highly improbable.
Reason (R): Venus has extremely high level of carbon dioxide in its atmosphere.

(A) If both assertion and reason are true and reason is the correct explanation of assertion.
(B) If both assertion and reason are true but reason is not the correct explanation of assertion.
(C) If assertion is true but reason is false.
(D) If assertion is false but reason is true.

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Answer : A

The fact that the planets move around the Sun, not in circles but in ellipses, was first demonstrated by

(A) Galileo
(B) Martin Luther
(C) Johannes Kepler
(D) Copernicus

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Answer : C

Which of the following is the working principle of Rockets?

(A) Newton’s first law
(B) Newton’s second law
(C) Newton’s third law
(D) All the above

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Answer : C

Which one of the following is an object with such a strong gravitational field that even light cannot escape from its surface?

(A) Neutron Star
(B) White Dwarf
(C) Black hole
(D) Supernova Star

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Answer : C

"If rainforests and tropical forests are the lungs of the Earth, then surely wetlands function as its kidneys." Which one of the following functions of wetlands best reflects the above statement ?

(A) The water cycle in wetlands involves surface runoff, subsoil percolation and evaporation.
(B) Algae form the nutrient base upon which fish, crustaceans, molluscs, birds, reptiles and mammals thrive.
(C) Wetlands play a vital role in maintaining sedimentation balance and soil stabilization.
(D) Aquatic plants absorb heavy metals and excess nutrients.

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Answer : D

Consider the following statements:
1. Biodiversity is normally greater in the lower latitudes as compared to the higher latitudes.
2. Along the mountain gradients, biodiversity is normally greater in the lower altitudes as compared to the higher altitudes.
3. Which of the statements given above is/are correct?

(A) 1 only
(B) 2 only
(C) Both 1 and 2
(D) Neither 1 nor 2

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Answer C

Competition for nutrients, food, light and space is more severe between two

(A) Closely related species occupying the same niche
(B) Closely related species occupying different niche
(C) Unrelated species occupying the same niche
(D) Unrelated species occupying different niches

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Answer :A

Profundal zone is predominated by heterotrophs in a pond ecosystem, because of

(A) With effective light penetration
(B) No effective light penetration
(C) Complete absence of light
(D) A and B

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Answer : C

The invasive species introduced in India from Philippines

(A) Lantana
(B) Prosopis
(C) Parthenium
(D) Kappaphycus

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Answer : A