The example of stem which run horizontally on surface of soil to produce vegetatively...? Mcqs

Latest MCQs

The example of stem which run horizontally on surface of soil to produce vegetatively...?

(A) Mint
(B) Ginger

(C) Onion
(D) Bryophyllum

Latest MCQs

Reflex actions in head region are under the control of___________...?

(A) Brain
(B) Spinal cord

(C) both a & b
(D) non of the above

Latest MCQs

Which isotope is used to determine the accumulation rates of pollutants in layers of soil...?

(A) Phosphorus - 32
(B) Carbon - 14

(C) Lead - 210
(D) Nitrogen - 15

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An egg sinks in soft water but floats in a concentrated solution of salt because...?

(A) egg absorbs salt from the solution and expands
(B) albumin dissolves in salt solution and egg becomes lighter

(C) the density of salt solution exceeds the density of eggs
(D) water has high surface tension

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Calcium sulphate is known as__________...?

(A) Epsom salt
(B) Gypsum salt

(C) Blue vitriol
(D) Potash alum

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In a photocell light energy is converted into...?

(A) potential energy
(B) chemical energy

(C) heat energy
(D) electrical energy

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Communication satellites are in which orbit...?

(A) Geosynchronous
(B) Semi synchronous

(C) Geostationary
(D) None of these

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Which term describes the emission of light by a living organism...?

(A) Natural light
(B) Bioluminescence

(C) Illumination
(D) Mimicry

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Biome is community of _____...?

(A) Plants
(B) Animals

(C) Both A and B
(D) None of these

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Water covers __________ of the Earth’s surface...?

(A) 61%
(B) 67%

(C) 71%
(D) 76%

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