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Biology 1525 MCQs [All-Courses]

Biology covers key concepts of life, organisms, and human systems with exam-focused notes for PPSC, FPSC, KPPSC, BPSC.,NTS, OTS, AJKPSC. Clear, concise topics help students prepare effectively for competitive tests.

Breakdown of large molecules into smaller ones utilizing water molecules is_________?

A Hydration

B Hydrolysis

C Dehydration synthesis

D Electrolysis

Review Detailed Answer

Correct Answer: Hydrolysis

Out of total organisms on earth, _____________are vascular plants?

A 53.10%

B 19.90%

C 17.60%

D 9.40%

Review Detailed Answer

Correct Answer: 17.60%

Oxygen accounts for __________ percent of totals human body mass?

A 65%

B 18%

C 10%

D 3%

Review Detailed Answer

Correct Answer: 65%

A structure formed by groups of similar cells organized into loose sheetsor bundles performing similar functions is called as________?

A An organ

B An organism

C A Tissue

D A Cell

Review Detailed Answer

Correct Answer: A Tissue

Branch of biology which deals with the study of chemical components and chemical processes in living organisms is called________________?

A Molecular biology

B Physiology

C Biochemistry

D Atomic biology

Review Detailed Answer

Correct Answer: Biochemistry

A large regional community primarily determined by climate is called__________?

A Population

B Community

C Biome

D Habitat

Review Detailed Answer

Correct Answer: Biome

Out of 92 naturally occurring chemical elements how many are considered as bio-elements__________?

A 6

B 16

C 26

D 15

Review Detailed Answer

Correct Answer: 6

Unbroken series of organisms arranged from ancestor to descendant sequence is____________?

A Biodiversity

B Phyletic lineage

C Connecting link

D Evolutionary line

Review Detailed Answer

Correct Answer: Phyletic lineage

Which one is a micromolecule__________?

A Polysaccharide

B Protein

C Hemoglobin

D ATP

Review Detailed Answer

Correct Answer: ATP

Control of organisms by using living organisms is called_______?

A Bioremediation

B Integrated disease management

C Antisepsis

D Biological control

Review Detailed Answer

Correct Answer: Biological control

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Biology 1525 MCQs [All-Courses]

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All Topics 1525

Breakdown of large molecules into smaller ones utilizing water molecules is_________?

Out of total organisms on earth, _____________are vascular plants?

Oxygen accounts for __________ percent of totals human body mass?

A structure formed by groups of similar cells organized into loose sheetsor bundles performing similar functions is called as________?

Branch of biology which deals with the study of chemical components and chemical processes in living organisms is called________________?

A large regional community primarily determined by climate is called__________?

Out of 92 naturally occurring chemical elements how many are considered as bio-elements__________?

Unbroken series of organisms arranged from ancestor to descendant sequence is____________?

Which one is a micromolecule__________?

Control of organisms by using living organisms is called_______?