In plants, which part transports sugar produced in the leaves to all parts of plants...? Mcqs

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In plants, which part transports sugar produced in the leaves to all parts of plants...?

(A) Phloem
(B) Xylem

(C) Stomata
(D) Roots

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Most of the living things use O2 to produce ______...?

(A) ATP
(B) Alcohol

(C) Organic acid
(D) Ecological pyramid

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The gradual physiological adjustment to slowly changing new environmental conditions is known as _____________________...?

(A) Selection
(B) Introduction

(C) Acclimatization
(D) Quarantine

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Vernal equinox of northern hemisphere in March marks season of __________ ...?

(A) Spring
(B) Summer

(C) Winter
(D) Autumn

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Which process allow movement in and out of cell...?

(A) Osmosis
(B) Diffusion

(C) Active transport
(D) All of these

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Corrosive effect on skin is caused by ______...?

(A) Acid
(B) Base

(C) Salt
(D) Both a & b

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The term ‘white coal’ is sometimes referred to which of the following...?

(A) Geothermal energy
(B) Wind energy

(C) Hydroelectricity
(D) Biomass energy

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Pollutants that are introduced into the environment by human activity are called as ___________...?

(A) Qualitative pollutants
(B) Quantitative pollutants

(C) Anthropogenic pollutant
(D) All of Above

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Substance used in match sticks ...?

(A) Sulphur
(B) Zinc

(C) Acid
(D) Phosphorus

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Role of biotechnology in the production of food based on ___________...?

(A) Decomposition
(B) Respiration

(C) Digestion
(D) Fermentation

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