Zoology MCQs and Notes

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Q 71. Osteocytes are minute chambers arranged in concentric

(A) canals

(B) rings

(C) tubules

(D) wells

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Q 72. Prokaryotes lack membrane-bound

(A) cell

(B) tissue

(C) organelles

(D) membrane

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Q 73. Fight or flight response in emergency is also controlled by

(A) epinephrine only

(B) norepinephrine only

(C) adrenaline

(D) epinephrine and norepinephrine

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Q 74. Secondary functions of exoskeleton are

(A) sensation

(B) secretion

(C) support and protect

(D) vision and sight

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Q 75. Galactose and glucose combine to form

(A) lactose

(B) maltose

(C) cellulose

(D) fructose

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Q 76. Bats and shrews can determine depth and distance by

(A) sonar only

(B) biosensor only

(C) olfaction

(D) sonar and biosensor

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Q 77. In Amphibians, some poison glands are secreted in

(A) dermis

(B) hypodermis

(C) ectoderm

(D) endoderm

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Q 78. G phase during cell division is often referred to as

(A) gap phase

(B) growth phase

(C) genome phase

(D) gene phase

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Q 79. Identify the branch of science that explores the chemical processes within and related to living organisms

(A) Biochemistry

(B) Biotechnology

(C) Bioavailability

(D) Biophysics

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Correct Answer: Option (A)
Explanation:

Biochemistry is the branch of science that explores the chemical processes within and related to living organisms. It is a laboratory based science that brings together biology and chemistry. By using chemical knowledge and techniques, biochemists can understand and solve biological problems.