What is the main component/constituent of the cell wall that supports the plant cell and gives it a regular shape...? Mcqs

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What is the main component/constituent of the cell wall that supports the plant cell and gives it a regular shape...?

(A) Protein
(B) Starch

(C) Lipid
(D) Cellulose

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The transfer of pollen grains from anther of a flower to the stigma of the same or another flower is called...?

(A) Fertilization
(B) Reproduction

(C) Pollination
(D) Photosynthesis

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Which process occurs during prophase of mitosis in an animal cell...?

(A) Division of centromeres
(B) Formation of chromosomes

(C) Replication of DNA
(D) Separation of centrioles

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Big Bang was an explosion that occurred ...?

(A) 10 Billion years ago
(B) 15 Billion years ago

(C) 20 Billion years ago
(D) 25 Billion years ago

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The spray bottles used as window or household cleaner or perfume spray works on: __________...?

(A) Capillary action
(B) Bernoulli’s Principle

(C) Pascal’s Law
(D) Stoke’s Law

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A boy sitting in an open car moving with the constant speed throws a ball straight up into the air. The ball falls _________...?

(A) behind him
(B) in front of him

(C) into his hand
(D) by his side

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There are ______ themes in geography....?

(A) Three
(B) Four

(C) Five
(D) Seven

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The increasing vapor pressure caused by heating a liquid is due to___________...?

(A) increase inter-molecular interactions
(B) increasing potential energy of molecules

(C) increasing kinetic energy of molecules
(D) decreasing surface tension

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Wave of rhythmic movements of muscle contraction and relaxation called...?

(A) Digestion
(B) Absorption

(C) Peristalsis
(D) Defection

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Scurvy is caused due to the deficiency of ___________...?

(A) Vitamin A
(B) Vitamin D

(C) Vitamin C
(D) None of these

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