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Question-1
Find out the odd one.

(A) Rubber	(B) Tea
(C) Tobacco	(D) Curd

Question-2
What is the outermost boundary of plant cells?

(A) Cytoplasm	(B) Cell membrane
(C) Cell wall	(D) Nucleus

Question-3
Which of the following helps to distribute seeds such as acorns to new places?

(A) Butterfly	(B) Bee
(C) Squirrel	(D) Ant

Question-4
The process by which green plants prepare their own food is called _______.

(A) Transpiration	(B) Guttation
(C) Photosynthesis	(D) None of these

Question-5
Lack of _______ retards the rate of photosynthesis in plants.

(A) Carbon dioxide	(B) Flowers
(C) Seeds	(D) Water

Question-6
What makes the green color of plants?

(A) Chlorophyll	(B) Plasmids
(C) Chloroplast	(D) None of these

Question-7
The poison ivy plant is poisonous to

(A) Smell	(B) Touch
(C) Eat	(D) Radiation

Question-8
Which one of the following is got from plants?

(A) Wool	(B) Milk
(C) Paper	(D) Curd

Question-9
The process by which plants make food using sunlight is called

(A) Photosynthesis	(B) Phytosynthesis
(C) Green house effect	(D) None of these

Question-10
Which Indian scientist is famous for his experiments to prove that plants have life?

(A) C. V. Raman	(B) Salim Ali
(C) Homi Bhabha	(D) J. C. Bose

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Std 3

ICSE/ISC

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