Diversity Living World - Questions & Answers | Exam2Win

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111. Total energy present in a biological system is called

A. Kinetic energy

B. Activation energy

C. Entropy

D. Enthalpy

Explanation:

112. The first step in scientific study is

A. Preliminary examination

B. Hypothesis

C. Identification of problem

D. Observation

Explanation:

113. `Great Chain of Being’ is

A. Biblian concept of origin of life

B. Hierarchical arrangement of organisms by Aristotle

C. Hierarchical arrangement of animals by Theophrastus

D. Origin of life by Thales

Explanation:

114. G-base of nucleotide is

A. Guanine

B. Glycine

C. Glutamic acid

D. Glutamine

Explanation:

115. Number of amino acids taking part in protein synthesis is

A. 500

B. 200

C. 120

D. 20

Explanation: