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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

Wilkins X-ray diffraction showed the diameter of the DNA helix as ________?
A 10A
B 20A
C 30A
D 40A
Correct Answer: 20A
Term allele was coined by?
A Negalli
B Bitson
C Dixon
D Robert Brown
Correct Answer: Bitson
First time crossing over was observed in ___________?
A 1811
B 1927
C 1911
D 1990
Correct Answer: 1911
programmed death of cells is called _____________________?
A Necrosis
B Apoptosis
C Blood cancer
D All of these
Correct Answer: Apoptosis
Which Of The Following Produces Harmful Gases_________?
A Plants
B Motor Vehicles
C Bacteria
D None of these
Correct Answer: Motor Vehicles
Smallest bone of human body is?
A vomer
B stapes
C navicular
D occipital
Correct Answer: stapes
What is the average adult Pulse rate?
A 140-150
B 115-125
C 72-80
D None of these
Correct Answer: 72-80
The skull contains?
A 18 bones
B 20 bones
C 22 bones
D 28 bones
Correct Answer: 22 bones
Who introduced Homeopathy in 1796?
A Samuel Hahnemann
B Franz Anton Mesmer
C Edward Jenner
D Hakim Ajmal Khan
Correct Answer: Samuel Hahnemann
“Athlete’s Foot” is a disease caused by_________?
A Bacteria
B Fungus
C Protozoan
D Nematode
Correct Answer: Fungus
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