Photosynthesis is the only process which produces free O2 by splitting _____...? Mcqs

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Photosynthesis is the only process which produces free O2 by splitting _____...?

(A) Glucose
(B) Carbon Dioxide

(C) Chlorophyll
(D) Water

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Latest MCQs

Which type of bond is formed between H₂O molecules...?

(A) Hydrogen bond
(B) Ionic bond

(C) Covalent bond
(D) All of these

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Atoms that gain electron will become negatively charged ion and they are known as...?

(A) Ion
(B) Cation

(C) Isotope
(D) Anion

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Almost identical eclipses occur after 18 years and 11 days. This cycle is known as__________...?

(A) Partial Eclipse cycle
(B) Total Eclipse Cycle

(C) Saros Cycle
(D) None of the above

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In the word GPS, letter G stands for ____...?

(A) Geographic
(B) General

(C) Global
(D) Geostationary

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The head of femur attached with _______...?

(A) Pelvic girdles
(B) Pectoral girdle

(C) Scapula
(D) Acetabulum of pelvic gridles

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Enzymes are organic catalysts made up of ...?

(A) Carbohydrates
(B) Proteins

(C) Nucleic Acid
(D) Fats

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Recently, scientists observed the merger of giant ‘blackholes’ billions of light-years away from the Earth. What is the significance of this observation...?

(A) ‘Higgs boson particles’ were detected.
(B) Gravitational waves’ were detected.

(C) Possibility of inter-galactic space travel through ‘wormhole’ was confirmed.
(D) It enabled the scientists to understand ‘singularity’.

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How many proton and neutron are present in the nucleus of Deuterium isotope...?

(A) 3 and 2
(B) 2 and 3

(C) 1 and 1
(D) 2 and 2

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Approximate age of sun is _________...?

(A) 4.4 billion years
(B) 4.5 billion years

(C) 4.6 billion years
(D) 4.7 billion years

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