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Environmental Studies-Workbook-4 This workbook contains worksheets on Environmental Studies for Grade-4 NTSE Olympiad Science students. There are total 2 worksheets with 40+ questions.
Pattern of questions : Multiple Choice Questions…

Environmental Studies Worksheet-23

A. Pond              B. Wetland        C. Cabinet         D. River

A. Collect rain water

B. Collect snow

C. Keep the house hot and warm

D. Do not collect snow and rain water

A. An eclipse when Moon is between the Earth and the Sun and Moon's shadow falls on the Earth.

B. An eclipse when Earth is between the Moon and the Sun and Earth's shadow falls on the Moon.

C. An eclipse when there is a lunar tide.

D. An eclipse when there is a solar tide. A. Fertilizing                                 B. Manuring

C. Composting                              D. Farming

A. All the non-living things in an ecosystem.

B. All the living things in an ecosystem.

C. All the living and non-living things in an ecosystem.

D. None of the above.

A. Mercury        B. Water            C. Hydrogen     D. Iron

A. The number of people travelling in a train

B. The stations along the route of train

C. What time the train will reach and leave each station

D. The distance covered.

A. A massive flow of water

B. An eruption of gas and lava

C. A sudden movement in Earth's crust

D. A sudden movement in Solar System

A. Hot steamed water                 B. Hot air

C. Sand & water                           D. Tiny water droplets.

A. A process that moves soil and rocks from one place to other.

B. A process that accumulate soil and rocks in one place.

C. A type of chemical reaction.

D. Breaking of ice caps.

Answer Key:

(1)–C; (2)–D; (3)–B; (4)–C; (5)–B; (6)–C; (7)–A; (8)–C; (9)–D; (10)–A