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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

Which of following is a tiny gland?

A Thyroid
B Pancrease
C Pineal
D Pituitary
Correct Answer: Pineal

Pineal gland situated in________?

A Brain
B Neck
C Stomach
D Above kideys
Correct Answer: Brain

Cotton, wool, silk are examples of ____________ ?

A Plant Fibres
B Animal Fibres
C Natural Fibres
D Synthetic Fibres
Correct Answer: Natural Fibres

All cell of an organism are similar in_________?

A Shape
B Size
C Structure
D Fundamental organization
Correct Answer: Fundamental organization

DNA of mitochondria is__________?

A circular
B spring
C straight
D All of these
Correct Answer: circular

Which organelles contain its own DNA?

A nucleus
B mitochondria
C chloroplast
D All of these
Correct Answer: All of these

A decrease in the rate of beating of heart is called__________?

A Bradycardia
B Tachycardia
C Braditachycardia
D Non of these
Correct Answer: Bradycardia

An increase in the heart rate is termed as:_________?

A Bradycardia
B Tachycardia
C Trachybradycardia
D Non of these
Correct Answer: Tachycardia

Muscle fatigue occurs due to accumulation of___________?

A Acidic acid
B Butyric acid
C Citric acid
D Lactic acid
Correct Answer: Lactic acid

Serum differs from blood in________?

A Lacking globulins
B Lacking albumins
C Lacking clotting factors
D Lacking antibodies
Correct Answer: Lacking clotting factors
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