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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

The respiratory problem most common in smokers is_________?

A tuberculosis
B emphysema
C asthma
D cancer
Correct Answer: emphysema

Water potential of pure water is__________?

A zero
B one
C negative
D two
Correct Answer: zero

Villi and microvilli increase__________?

A digestion
B assimilation
C absorption
D ingestion
Correct Answer: absorption

Bean shaped cells in plants are_________?

A mesophyll cells
B xylem cells
C phloem cells
D guard cells
Correct Answer: guard cells

The normal pH of human blood is____________?

A 6.4
B 7.0
C 7.4
D 7.5
Correct Answer: 7.4

Shrinkage of protoplast due to exosmosis of water is__________?

A imbibition
B plasmolysis
C deplasmolysis
D adhesion
Correct Answer: plasmolysis

Artherosclerosis is a major condition leading to__________?

A heart attack
B hypertension
C stroke
D tumor
Correct Answer: heart attack

Splitting of glucose relates to_________?

A respiration
B photorespiration
C glycolysis
D pyruvic acid
Correct Answer: glycolysis

In HomoSapiens (Human) the fertilization occurs in the___________?

A Uterus
B Ovaries
C Oviduct
D Cervix
Correct Answer: Oviduct

Who discovered the peptic ulcer causing bacteria H.PYLORI?

A Robert Hook
B James parkinson
C Dr Barry Marshall and dr Robin Warren
D None of these
Correct Answer: Dr Barry Marshall and dr Robin Warren
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