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Biology 1525 MCQs [All-Courses]

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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.

All Topics  1525

Blood is carried towards the heart by __________?

A Arteries
B Capillaries
C Veins
D none of these
Correct Answer: Veins

Sythetic insulin from pork was formed by which technique?

A Biotechnology
B Social biological techniques
C Parasitology
D Both a and c
Correct Answer: Biotechnology

On wound __________ fight foreign particles, like bacteria?

A White Blood cells
B Red Blood Cells
C Platelets
D Plasma
Correct Answer: White Blood cells

The experiments on DNA molecules in chromosomes for knowing the basis of inherited diseases are conducted by ?

A Molecular biologists
B Microbiologists
C Freshwater biologists
D Social biologist
Correct Answer: Molecular biologists

About __________ of the body weight of a mammal is water ?

A 60%
B 65%
C 70%
D 75%
Correct Answer: 70%

The study of fossils is called?

A Environmental Biology
B Historical biology
C Palaeontology
D Social biology
Correct Answer: Palaeontology

The average internal temperature of human body is __________?

A 35 oC
B 36 oC
C 37 oC
D 38 oC
Correct Answer: 37 oC

Which Vitamin is needed for the formation of a light-sensitive pigment in the retina.

A Vitamin A
B Vitamin C
C Vitamin D
D B complex
Correct Answer: Vitamin A

Which character differentiates living things from non-living organisms?

A They live in the same ecosystem.
B They are highly organized and complex made of one or more cells and contain genetic material
C They are acted upon by the same environment
D Both a and b
Correct Answer: They are highly organized and complex made of one or more cells and contain genetic material

People living in high altitudes (like mountains) usually have a _________?

A smaller number of Red Blood Cells
B larger number of Red Blood Cells
C smaller number of White Blood Cells
D larger number of White Blood Cells
Correct Answer: larger number of Red Blood Cells
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