Science & Technology Questions for IAS Prelims - Set 6

Science & Technology Questions for IAS Prelims - Set 6

1. When the bark of a tree is removed in a circular fashion all around near its base it gradually dries up and dies because

a. Water from soil cannot rise to aerial parts.
b. Roots are starved of energy.
c. Tree is infected by soil microbes.
d. Root do not receive oxygen for respiration.

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2. Spice saffron is obtained from which part of the plant

a. Leaf
b. Petal
c. Stigma
d. Sepal

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3. The disease "Athlete's Foot" is caused by

a. Bacteria
b. Fungi
c. Protozoa
d. Nematode

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4. Strawberry is an example of

a. Simple fruit
b. Aggregate fruit
c. Composite fruit
d. None of the above

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5. A flower bud which is used as a spice is obtained from?

a. Cinnamon
b. Cardamom
c. Clove
d. Coriander

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6. The marine animal called dugong which is venerable to extinction is a\an?

a. Amphibian
b. Bony Fish
c. Shark
d. Mammal

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7. Cellulose is an example of ____________ Carbohydrate

a. Monosaccharides
b. Disaccharides
c. Oligosaccharides
d. Polysaccharides

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8. Which of the following is not a function of Protein?

a. It helps in formation of cells and tissues.

b. It remains under the skin and prevents loss of heat from the body

c. They control the development of genetic characters.

d. They can provide energy to the body if required.

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9. Which of the following Vitamin is not soluble in water?

a. Vitamin A
b. Vitamin B
c. Vitamin D
d. Vitamin K

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10. Which of the following statement(s) is\are true?

i. Quantity of blood in human body is about 7-8% of the total weight.

ii. pH value of human blood is approximately 7.4

a. i
b. ii
c. Both i & ii
d. None

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