Which vitamin is useful in treating osteomalacia?
Correct answer B. Vitamin D
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Biology MCQs
Page 13 of Biology multiple-choice questions with answers. Tap an option to check yourself.
Page 13 of 75
Which vitamin is known as the ‘anti-sterility’ factor?
Correct answer B. α-Tocopherol
Which protein acts as a hormone?
Correct answer D. Oxytocin
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In which area of skin are sweat glands found in the greatest numbers?
Correct answer C. Palm of hand
What is the most accurate description of blood?
Correct answer C. Fluid tissue
What substance prevents blood from clotting inside the body?
Correct answer D. Heparin
Which species causes mild tertian (benign tertian) malaria?
Correct answer C. Plasmodium vivax
How does Amoeba reproduce under unfavourable conditions?
Correct answer B. Encystment
Where does sporogony of the malaria parasite take place?
Correct answer A. Stomach wall of mosquito
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What is the collective name for the corolla and calyx of a flower?
Correct answer B. Perianth
How many daughter paramecia are produced after conjugation?
Correct answer D. 8 from two conjugants
Which food substances does Amoeba hydrolyse with the digestive enzymes it secretes?
Correct answer D. All of these
By which process does Amoeba take in some water along with its food?
Correct answer C. Phagocytosis
In mothers of which age group is trisomy 21 most common?
Correct answer A. 40 to 45
A disease that is transmitted from animals to humans is called what?
Correct answer C. Zoonosis
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Henna gives an orange-red colour to skin and hair because it reacts with which of the following?
Correct answer C. Protein and amino acids
Which hormone helps to bring about parthenocarpy?
Correct answer A. Gibberellin
With which crop is ‘Tikka disease’ associated?
Correct answer B. Groundnut
Which of these is an autotroph?
Correct answer B. Algae
Which is the largest group of invertebrates?
Correct answer A. Insects