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.

It is the discharge of blood from blood vessels?

A Myocardial infarction

B Cerebral infarction

C Cerebral Hemorrhage

D Thromboembolism

Review Detailed Answer

Correct Answer: Cerebral Hemorrhage

The flow of lymph is maintained by__________?

A Movement of viscera

B Breathing movements

C Valves

D All of these

Review Detailed Answer

Correct Answer: All of these

Introduction of vaccine within the body to produce immunity is an example of____________?

A Artificially induced active immunity

B Naturally induced active immunity

C Artificially induced passive immunity

D Naturally induced passive immunity

Review Detailed Answer

Correct Answer: Artificially induced active immunity

Lenticular transpiration is ___________ of total transpiration?

A 2-3%

B 1-3%

C 1-4%

D 1-2%

Review Detailed Answer

Correct Answer: 1-2%

All plants do not possess___________?

A Lenticels

B Cuticle

C Stomata

D All of these

Review Detailed Answer

Correct Answer: Lenticels

Cuticular transpiration is _________ of total transpiration?

A 6-8%

B 5-7%

C 7-9%

D 4-6%

Review Detailed Answer

Correct Answer: 5-7%

Exceptionally the positive hydrostatic pressure generated by root pressure is about___________?

A 600 Kpa

B 800 Kpa

C 1000 Kpa

D 900 Kpa

Review Detailed Answer

Correct Answer: 800 Kpa

Commonly in other plants than tall ones the speed of upward movement of water is____________?

A 8mh-1

B 1 mh-1

C 7 mh-1

D 4 mh-1

Review Detailed Answer

Correct Answer: 1 mh-1

___________ component of cell wall has grreat affinity with water?

A Lignin

B Cellulose

C Pectin

D All of these

Review Detailed Answer

Correct Answer: All of these

___________ potential is the measure of the change in water potential of a system due to the presence of solute molecules?

A Osmotic

B Pressure

C Both of these

D None of these

Review Detailed Answer

Correct Answer: Osmotic

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Biology 1525 MCQs [All-Courses]

All Topics 1525

All Topics 1525

It is the discharge of blood from blood vessels?

The flow of lymph is maintained by__________?

Introduction of vaccine within the body to produce immunity is an example of____________?

Lenticular transpiration is ___________ of total transpiration?

All plants do not possess___________?

Cuticular transpiration is _________ of total transpiration?

Exceptionally the positive hydrostatic pressure generated by root pressure is about___________?

Commonly in other plants than tall ones the speed of upward movement of water is____________?

___________ component of cell wall has grreat affinity with water?

___________ potential is the measure of the change in water potential of a system due to the presence of solute molecules?