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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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