Everyday Science misc (158) MCQs with Answers

Keratin protein is present in:

• A.Skin
• B.Hair
• C.Nails
• D.All of these

Which of the following have been adapted by cell membranes of Antarctic ice fish?

• A.High percentage of saturated fatty acids
• B.High percentage of polyunsaturated fatty acids
• C.Absence of phospholipids
• D.Thick layer of cholesterol only

Which among the following accurately defines "Mother-of-pearl"?

• A.Hard iridescent substance forming the inner layer of certain shells
• B.Soft calcareous deposit found inside oysters that forms pearls
• C.Outer protective coating secreted by marine mollusks
• D.Crystalline form of calcium carbonate found in coral reefs

Hypophthalmichthys molitrix is the scientific name of ?

• A.Silver carp
• B.Grass carp
• C.Common carp
• D.Bighead carp

Past Paper MCQ

Which of the following is the common bird found in Pakistan?

• A.House sparrow
• B.Bald eagle
• C.Emu
• D.Penguin

The gradual process by which an animal physiologically adjusts to a change in an environmental factor is called?

• A.Acclimatization
• B.Adaptation
• C.Homeostasis
• D.Hibernation

What is the average lifespan of a horse?

• A.15–20 years
• B.25–30 years
• C.35–40 years
• D.40–50 years

The silk is obtained from _?

• A.Flax stems
• B.Cotton bolls
• C.Wool follicles
• D.Cocoons

Which among the following is the terrestrial ancestor of whale?

• A.Pakicetus
• B.Ambulocetus
• C.Basilosaurus
• D.Dorudon

A group of fishes is called ?

• A.Herd
• B.Shoal
• C.Flock
• D.Pride