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#58255 Bangla Language & Literature Basic Information of Daily Science Inventions and Level 0

Which of the following is not a metal?

A Boron
B Iron
C Mercury
D Zinc

Answer: A - Boron

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#58267 Bangla Language & Literature Basic Information of Daily Science Inventions and Level 0

Which one of the following forms an irreversible complex with hemoglobin of the blood?

A a mixture of carbon dioxide and helium
B carbon dioxide
C carbon monooxide
D pure nitrogen gas

Answer: C - carbon monooxide

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#58286 Bangla Language & Literature Basic Information of Daily Science Inventions and Level 0

Which of the following soils is very hard to cultivate?

A alluvial
B black
C red
D sandy

Answer: C - red

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#58296 Bangla Language & Literature Basic Information of Daily Science Inventions and Level 0

The unit of current is--

A Ampere
B Joule
C Ohm
D Watt

Answer: A - Ampere

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#58299 Bangla Language & Literature Basic Information of Daily Science Inventions and Level 0

How many tentacles does an Octopus have?

A 2
B 4
C 6
D 8

Answer: D - 8

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#58302 Bangla Language & Literature Basic Information of Daily Science Inventions and Level 0

What are elements containing the same number of protons but different number of neutrons called?

A allotropes
B compounds
C isobars
D isotopes

Answer: D - isotopes

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