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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

2. Which one of the following organisms can serve as a biofertilizer for rice crop?
A Blue-green algae
B Rhizobium sp.
C Mycorrhizal fungi
D None of these
Correct Answer: Blue-green algae
Which of the following diseases induce immunity?
A Smallpox
B Jaundice
C Diabetes
D None of these
Correct Answer: Smallpox
Organ rejection is caused by__________?
A B-Lymphocytes
B T-lymphocytes
C Both B and T lymphocytes
D RBCs
Correct Answer: T-lymphocytes
Heart beats about ________ times in one’s life.
A 2.8 Billion
B 3.7 Billion
C 4.2 Billion
D Infinite
Correct Answer: 2.8 Billion
A single heart beat involves ________ stages.
A 1
B 2
C 3
D 4
Correct Answer: 3
There are about _________ muscles in human beings.
A 206
B 300
C 650
D 703
Correct Answer: 650
Most abundant muscles in human beings?
A Skeletal Muscles
B Smooth Muscles
C Cardiac Muscles
D All of these
Correct Answer: Skeletal Muscles
Link between living and non-living organisms?
A Bacteria
B Virus
C Cyanobacteria
D Plants
Correct Answer: Virus
Father of genetics?
A Morgan
B Darwin
C Aristotle
D Mendal
Correct Answer: Mendal
Morgan studied how many traits of Drosophila?
A 7
B 67
C 85
D All
Correct Answer: 85
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