Science Practice Quiz 268

Q1.What is the ratio of iron ore to steel in the manufacturing process according to the source?

A. 4 tonnes of iron ore per 1 tonne of steel B. 2 tonnes of iron ore per 1 tonne of steel C. 1 tonne of iron ore per 1 tonne of steel D. 8 tonnes of iron ore per 1 tonne of steel

Q2.Which branch deals with the scientific study of the habitats characteristic of species?

A. Plant Geography B. Zoo Geography C. Ecology/Ecosystem D. Environmental Geography

Q3.What has created ecological imbalance in the world?

A. Natural disasters B. Accelerated pace of resource utilisation with modern technology C. Climate change D. Population growth

Q4.Why do we plant trees during Van Mahotsava?

A. To celebrate a festival B. To maintain ecological balance C. To produce fruits D. To decorate schools

Q5.Which of the following is a project work suggested in the source text?

A. Prepare a map of India showing the distribution of different types of forests B. Write about the political importance of forests C. Prepare a historical account of conservation of forests with focus on Silent Valley movement D. Study the variation in natural phenomena in your surroundings

Q6.Which movements are mentioned in the context of forest conservation in India?

A. Chipko movements in Rajasthan and Uttaranchal B. Chipko movements in Uttar Pradesh and Himachal Pradesh C. Narmada Bachao Andolan in Madhya Pradesh D. Silent Valley movement in Kerala

Q7.What was the Mesopotamian approximation for the square root of 2?

A. 1.41421296 B. 1.41421356 C. 1.41421500 D. 1.41421000

Q8.What did Mesopotamians record about solar and lunar eclipses?

A. Their occurrence according to year, month, and day B. Their duration and magnitude C. Their effect on agriculture D. Their astrological significance

Q9.Besides eclipses, what other astronomical observations did Mesopotamians record?

A. The positions of planets B. The observed positions of stars and constellations C. The phases of Venus D. The orbits of comets

Q10.What did the Paharias collect from forests for food?

A. Mahua flower B. Silk cocoons C. Resin D. Wood

Q11.Which of the following was NOT collected by the Paharias from forests for sale?

A. Mahua flower B. Silk cocoons C. Resin D. Wood for charcoal

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Science Practice Quiz 268