Multiple Choice Questions

Ten > Heredity

Asked by Atith Adhikari · 2 years ago

What is a chromosome made up of?

A DNA and RNA

B DNA and Carbohydrate

C DNA and Protein

D RNA and Protein

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Ten > Heredity

Asked by Atith Adhikari · 2 years ago

How many pairs of sex chromosomes are found in the human cell?

A 1 pair

B 22 pairs

C 23 pairs

D 46 pairs

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Ten > Metals

Asked by Atith Adhikari · 2 years ago

In which process is smelting included?

A Grinding

B Refining

C Oxidation

D Reduction

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Ten > Metals

Asked by Atith Adhikari · 2 years ago

Which of the following ore is oxidized by roasting method?

A Haematite

B Siderite

C Bauxite

D Cuprite

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Ten > Metals

Asked by Atith Adhikari · 2 years ago

Which is the primary step of purifying metal?

A Smelting

B Roasting

C Concentration

D Grinding

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Ten > Metals

Asked by Atith Adhikari · 2 years ago

Which metal is found in pure state in nature?

A Aluminum

B Iron

C Copper

D Gold

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Ten > Metals

Asked by Atith Adhikari · 2 years ago

Which is the main ore of iron?

A Bauxite

B Argentite

C Haematite

D Pyrite

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Ten > Heat

Asked by Atith Adhikari · 2 years ago

What are the lower fixed points of the thermometer in Celsius, Fahrenheit, and Kelvin scales respectively?

A 0 C, 0 F, o K

B o C, 32 F, 273 K

C 0 C, 180 F, 373 K

D 0 C, 212 F, 373 K

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Ten > Heat

Asked by Atith Adhikari · 2 years ago

Which one of the following is the best way to insert a wide pipe into a narrower pipe?

A heat both the pipes

B cool both the pipes

C heat the wider pipe and cool the narrow one

D cool the wider pipe and heat the narrow pipe

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Ten > Heat

Asked by Atith Adhikari · 2 years ago

What is the effect of the high specific heat capacity of water?

A water in the sea heats up faster than the land during the day in coastal areas

B water in the sea cools faster than the land at night in coastal areas

C the land heats up slower than the water in the sea in the daytime in coastal areas

D the land cools faster than the water in the sea at night in coastal areas

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