In night, when photosynthesis is stopped, plants__________...? Mcqs

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In night, when photosynthesis is stopped, plants__________...?

(A) take in Carbon Dioxide
(B) give off Oxygen

(C) give off Carbon Dioxide
(D) None of these

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Which of the following is a homo atomic...?

(A) H2
(B) NH3

(C) H2O
(D) CO2

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Pluto is known as dwarf planet because which of the following reason/s:...?

(A) It has negligible mass
(B) It has not nearly round shaped

(C) It does not have always same neighbouring planet
(D) All of the above

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He was the first scientist to prove that Planets move around the sun...?

(A) Archimedes
(B) Galileo Galilei

(C) John Kepler
(D) None

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_______ is the average distance between the Earth and the sun ...?

(A) Moon unit
(B) Light unit

(C) Astronomical unit
(D) Solar unit

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Which takes place when sex cells are divided and gametes are formed during the process of reproduction in humans...?

(A) Mitosis
(B) Respiration

(C) Meiosis
(D) Photosynthesis

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Human plasma proteins include which of the following...?

(A) Fibrinogen
(B) Haemoglobin

(C) Albumin
(D) Both A and C

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Select the mismatched one of the followings...?

(A) Plastids → Storage of chemicals
(B) Centriole → Help in cell division

(C) Ribosomes → Synthesis of steroids
(D) Mitochondria → Synthesis of ATP

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What is the degree of rotation of the earth each hour...?

(A) 1°
(B) 5°

(C) 7.5°
(D) 15°

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Who invented the Lever...?

(A) Stephen Hawking
(B) Archimedes

(C) Marie Curie
(D) None

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