Everyday Science Most Important MCQs Two
Showing 31 – 40 of 158
Oranges are rich source of __________?
- A. Carbohydrates
- B. Fats
- C. Proteins
- D. Vitamins
Some substances are good conductor of electricity in both the solid and liquid states. These substances are generally __________?
- A. ionic substances
- B. metallic substances
- C. molecular solids
- D. covalent network solids
Which of the following has the highest energy?
- A. gamma rays
- B. X-rays
- C. Ultraviolet radiation
- D. radio waves
Approximately, how many times each day do our heart valves open and close normally?
- A. 10,000
- B. 1,00,000
- C. 1,50,000
- D. 2,00,000
When a warm air is lifted off the surface in temperature depression it is called ______?
- A. An occlusion
- B. A cold front
- C. An anticyclone
- D. A warm front
The strength of wave action depends on all these EXCEPT:
- A. Currents in the sea
- B. Wind strength
- C. Depth of coastal water
- D. Height of waves
Cow milk is a rich source of __________?
- A. vitamin C
- B. vitamin B
- C. vitamin A
- D. vitamin K
An element that does not occur in nature but can be produced artificially is __________?
- A. Plutonium
- B. Uranium
- C. Radium
- D. Thorium
Which one of the following can be synthesized by Liver ______?
- A. Vitamin B6
- B. Vitamin B12
- C. Vitamin K
- D. Vitamin E
Average salinity or ratio of salt as per kilogram of water of ocean is __________?
- A. 35 grams
- B. 55 grams
- C. 32 grams
- D. 42 grams
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