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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.

Transport of minerals from soil to epidermal cells of roots via carrier protein molcules along their concentration gradient is called___________?

A Diffusion.

B Facilitated diffusion.

C Passive transport.

D Active transport.

Review Detailed Answer

Correct Answer: Facilitated diffusion.

Lenticels look like__________?

A A big pore

B Stoma

C Sponge

D Cars or small protusions

Review Detailed Answer

Correct Answer: Cars or small protusions

Aerating openings formed in the bark through which exchange of gases takes place and water is lost in the form of vapours are___________?

A Hydathods

B Stomata

C Lenticels

D None of these

Review Detailed Answer

Correct Answer: Lenticels

Which of the following are proteins in nature?

A Antibodies.

B Interferons

C Antitoxins

D All of these

Review Detailed Answer

Correct Answer: All of these

Cooley’s anemia is another name used for___________?

A Leucemia

B Thalassaemia

C Sickle cell anemia

D None of these

Review Detailed Answer

Correct Answer: Thalassaemia

Tricuspid valve is present_____________?

A Between right atrium and right ventricle

B Between left atrium and left ventricle

C At base of pulmonary artery

D At base of aorta

Review Detailed Answer

Correct Answer: Between right atrium and right ventricle

QRS complex represents____________?

A Atrial systole

B Ventricular systole

C Atrial diastole

D Ventricular diastole

Review Detailed Answer

Correct Answer: Ventricular systole

Which of the following have thickest walls?

A Arteries

B Veins

C Capillaries

D None of these

Review Detailed Answer

Correct Answer: Arteries

It is the measure of force with which blood pushes up against the walls of blood vessels.

A Stroke volume

B Cardiac output

C Blood pressure

D Blood flow

Review Detailed Answer

Correct Answer: Blood pressure

All of the follwing are blood clots except:___________?

A Thrombus

B Embolus

C Atheroma

D Hematoma

Review Detailed Answer

Correct Answer: Atheroma

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Biology 1525 MCQs [All-Courses]

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All Topics 1525

Transport of minerals from soil to epidermal cells of roots via carrier protein molcules along their concentration gradient is called___________?

Lenticels look like__________?

Aerating openings formed in the bark through which exchange of gases takes place and water is lost in the form of vapours are___________?

Which of the following are proteins in nature?

Cooley’s anemia is another name used for___________?

Tricuspid valve is present_____________?

QRS complex represents____________?

Which of the following have thickest walls?

It is the measure of force with which blood pushes up against the walls of blood vessels.

All of the follwing are blood clots except:___________?