M C Q s D r i v e

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.

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