Student Questions

A metamorphic rock which is used in the glass and ceramic industry. A) Marble B) Quartzite C) Slate D) Gneiss

Sulphates are used as: A) Fuels B) Fertilizers C) Gemstones D) Building materials

Which among the following is not a product obtained from petroleum? A) Plastic B) Candle C) Pumice stone D) Paint

When magma cools slowly under the ground it forms: A) Granite B) Shale C) Marble D) Sandstone

A sedimentary rock, which is used in making bricks and cement. A) Conglomerate B) Shale C) Sandstone D) Limestone

Match the following: Column A Column B i. Sedimentary rock A. Fossil fuel ii. Igneous rock B. Gneiss iii. Metamorphic rock C. Sandstone iv. Petroleum D. Pumice A) (i - C), (ii - D), (iii - A), (iv - B) B) (i - B), (ii - C), (iii - D), (iv - A) C) (i - D), (ii - A), (iii - C), (iv - B) D) (i - C), (ii - D), (iii - B), (iv - A)

This mineral is used in making chalk. A) Fluorine B) Mica C) Gypsum D) Feldspar

Flint is which type of rock? A) Metamorphic B) Sedimentary C) Igneous D) All the above E) None of these

Which among the following rock is formed by metamorphosis of sandstone A) Slate B) Quartzite C) Minerals D) Wood E) None of these

question_answer Which among the following is a non-metallic mineral? A) Mica B) Aluminium C) Iron D) Copper E) None of these

____ is a kind of sedimentary rock that is made of plant remains buried under the earth. A) Sandstone B) Coal C) Limestone D) Obsidian E) None of these

Name an igneous rock which is smooth, glassy and used in making jewellery. A) Granite B) Marble C) Obsidian D) Shale E) None of these

____ is porous and formed from lava. A) Sandstone B) Pumice C) Granite D) Obsidian E) None of these

bout 95% of earth?s crust is made up of which rocks? A) Sedimentary rocks B) Igneous rocks C) Metamorphic rocks D) All the above E) None of these

Soil erosion can be prevented by: A) Terrace farming B) Afforestation C) Building bunds D) All the above

When the earth day is celebrated? A) 24 April B) 5 June C) 22 April D) 29 June E) None of these

Match the following: Column A Column B i. Soil erosion A. Afforestation ii. Bunds B. Deforestation iii. Planting more trees C. Loss of fertile soil iv. Cutting down trees D. Tall mud walls A) (i - C), (ii - A), (iii - D), (iv - B) B) (i - C), (ii - D), (iii - A), (iv - B) C) (i - D), (ii - C), (iii - B), (iv - A) D) (i - B), (ii - D), (iii - C), (iv - A)

Tall mud walls built on the sides of the rivers, to conserve soil are called: A) Valleys B) Terraces C) Bunds D) Bushes E) None of these

question_answer Which among the following factors is not responsible for soil erosion? A) Ploughing of hill slopes B) Overgrazing by catties C) Floods D)None of these

Most believe camouflage is blending into one's environment but brightly colored macaws still survive in the rainforest. How does the macaws bright plumage help in hiding?