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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

Puccinia commonly destroys______________?
A Corn
B Tomato
C Dodder
D Wheat
Correct Answer: Wheat
One of the commonest cause of food poisoning are the toxins produced by__________?
A Azobacter
B Nitrosomonas
C Campylobacter
D Nitrobacter
Correct Answer: Campylobacter
The liquid that escapes during defrosting frozen meat contains _____ bacteria?
A Campylobacter
B Nitrobacter
C Azobacter
D Salmonella
Correct Answer: Salmonella
Stunted growth of roots is due to the deficiency of____________in plants?
A Potassium
B Magnesium
C Phosphorus
D Iron.
Correct Answer: Phosphorus
Strong chlorosis is due to the deficiency of _____________ in plants?
A Magnesium
B Nitrogen
C Potassium
D Phosphorus
Correct Answer: Nitrogen
Loss of appetite due to the fear of becoming obese is____________?
A Anorexia nervosa
B Bulimia nervosa
C Piles
D Dyspepsia
Correct Answer: Anorexia nervosa
Autotrophic organisms can exist in an exclusively ________________ environment?
A Organic
B Inorganic
C Wet
D Terrestrial
Correct Answer: Inorganic
An illness which largely affects girls usually just after the onset of puberty.
A Bulimia nervosa
B Obesity
C Anorexia nervosa
D None of these
Correct Answer: Anorexia nervosa
Puccinia is a parasitic___________?
A Plant
B Fungus
C Animal
D Algae
Correct Answer: Fungus
Masses of dilated tortuous veins in the anorectal mucosa are known as___________?
A Bulimia
B Ulcer
C Adipose tissue
D Hemorrhoids
Correct Answer: Hemorrhoids
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