Which gas is transported out of the leaf into the air...? Mcqs

Latest MCQs

Which gas is transported out of the leaf into the air...?

(A) Carbon Dioxide (CO2)
(B) Nitrogen (N2)

(C) Water Vapor (H2O)
(D) Oxygen (O2)

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The biological functions which perform gaseous exchange...?

(A) Photosynthesis
(B) Respiration

(C) Both a and b
(D) Growth

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Which gas can turn lime water milky...?

(A) O2
(B) NO2

(C) CO2
(D) N2

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Opening and closing of stomata is also regulated by ___...?

(A) Epidermal cells
(B) Guard cells

(C) Root hair cells
(D) Mesophyll cells

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The _________ are a particular group of animals or plants that belong together and have some similar quality....?

(A) Species
(B) Genus

(C) Family
(D) Kingdom

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which of these plants open its mouth when insect sit on its lid...?

(A) Sunflower
(B) Pitcher plant

(C) Brassica Plant
(D) None of these

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Which metal known as quick silver ...?

(A) Mercury
(B) Sulphuric acid

(C) Chromite
(D) Quartz

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What is the colour of phenolphthalein indicator in basic medium...?

(A) Red
(B) Yellow

(C) Pink
(D) Blue

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Hydrogen bomb is based on the principle of ________ ...?

(A) Nuclear fusion
(B) Artificial radioactivity

(C) Natural radioactivity
(D) Nuclear fission

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Which among the following is responsible for producing color of human skin ___...?

(A) Insulin
(B) Vitamin K

(C) Melanin
(D) DNA

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