General Science - Comprehensive Mock Test 15

Question 141 Medium

Chemical which causes bone cancer and degeneration of tissue is?

A) I-131 B) Ca-40 C) I-127 D) Str-90

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Question 142 Medium

The excess discharge of fertilizers into water bodies results in ?

A) Silt B) Death of Hydrophytes C) Eutrophication D) Growth of fish

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Question 143 Easy

Atoms are composed of ?

A) Electrons & Nuclei B) Electrons only C) Protons only D) Electrons & Protons

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Question 144 Medium

In which of the following activities Silicon Carbide is used?

A) Making cement and glass B) Cutting very hard substances C) Disinfecting water and ponds D) Making castes for statues

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Question 145 Easy

A real gas can act as an ideal gas in?

A) low pressure and low temperature B) high pressure and low temperature C) high pressure and low temperature D) high pressure and high temperature

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Question 146 Medium

Ocean temperatures increase more slowly than land temperatures because of the larger effective _______ of the oceans?

A) Heat capacity B) Heat balance C) Heat transfer D) Heat exchanger

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Question 147 Medium

Economies of the following country(ies) is(are) responsible for greatest annual CO2 emissions?

A) USA B) China C) Both A and B D) Brazil

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Question 148 Easy

UNFCCC stands for?

A) United Nations Framework Convention on Climate Change B) United Nations Federation Convention on Climate Change C) United Nations Framework Council on Climate Change D) United Nations Federation Council on Climate Change

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Question 149 Medium

Which of the following is (are) the anticipated effect(s) of Global warming?

A) Rising sea levels B) Changing precipitation C) Expansion of deserts D) All of the above

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Question 150 Easy

Which of the following is not a greenhouse gas?

A) Carbon di-oxide B) Methane C) Nitrous oxide D) Carbon monoxide

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