Match the column I with column II and select the correct option from the codes given below. Column l Column ll a Nuclear fusion i U 92 235 + n 0 1 → B 56 141 a + K 36 92 r + 3 n 0 1 + Q b Nuclear fission ii Liquid oxygen c Nuclear fuel iii Uranium 235 d Rocket fuel iv H 1 2 + H 1 2 → H 2 4 e + Q

( a ) - ( iv ) , ( b ) - ( i ) , ( c ) - ( iii ) , ( d ) - ( ii )

( a ) - ( i ) , ( b ) - ( ii ) , ( c ) - ( iv ) , ( d ) - ( iii )

( a ) - ( ii ) , ( b ) - ( iv ) , ( c ) - ( i ) , ( d ) - ( iii )

Water is converted into steam to produce electricity.

Which of the following statements is not correct regarding the geothermal energy

EASY

10th Foundation

IMPORTANT

NSO Science Olympiad Workbook Grade 10>Chapter 13 - Sources of Energy>EXERCISES>Q 13

Main disadvantage of geothermal energy is :

EASY

10th Foundation

IMPORTANT

NSO Science Olympiad Workbook Grade 10>Chapter 13 - Sources of Energy>EXERCISES>Q 14

Read the passage carefully and answer the following questions.

Ocean waves are derived sources of energy. Wind is the agent which transfer the Sun’s energy to the surface of the sea. The unequal solar heating of the Earth generates wind and wind blowing over water generates waves. The energy possessed by ocean and sea waves is called wave energy. Various systems have been designed to use wave energy for commercial production of electricity.
Which of the following statements is wrong regarding the wave energy?

EASY

10th Foundation

IMPORTANT

NSO Science Olympiad Workbook Grade 10>Chapter 13 - Sources of Energy>EXERCISES>Q 15

Read the passage carefully and answer the following questions.

Ocean waves are derived sources of energy. Wind is the agent which transfer the Sun’s energy to the surface of the sea. The unequal solar heating of the Earth generates wind and wind blowing over water generates waves. The energy possessed by ocean and sea waves is called wave energy.
The main disadvantage of wave energy is :

EASY

10th Foundation

IMPORTANT

NSO Science Olympiad Workbook Grade 10>Chapter 13 - Sources of Energy>EXERCISES>Q 16

The process used to harness nuclear energy these days is _____.

EASY

10th Foundation

IMPORTANT

NSO Science Olympiad Workbook Grade 10>Chapter 13 - Sources of Energy>EXERCISES>Q 17

Which part of the solar cooker is responsible for greenhouse effect?

EASY

10th Foundation

IMPORTANT

NSO Science Olympiad Workbook Grade 10>Chapter 13 - Sources of Energy>EXERCISES>Q 18

In a hydropower plant,

MEDIUM

10th Foundation

IMPORTANT

NSO Science Olympiad Workbook Grade 10>Chapter 13 - Sources of Energy>EXERCISES>Q 19

Match the column I with column II and select the correct option from the codes given below.

Column $l$		Column $ll$
$(a)$	Nuclear fusion	$(i)$	${}_{92}^{235}U + {}_{0}^{1}n \to {}_{56}^{141}B a + {}_{36}^{92}K r + 3 {}_{0}^{1}n + Q$
$(b)$	Nuclear fission	$(ii)$	Liquid oxygen
$(c)$	Nuclear fuel	$(iii)$	Uranium $235$
$(d)$	Rocket fuel	$(iv)$	${}_{1}^{2}H + {}_{1}^{2}H \to {}_{2}^{4}H e + Q$

EASY

10th Foundation

IMPORTANT

NSO Science Olympiad Workbook Grade 10>Chapter 13 - Sources of Energy>EXERCISES>Q 20

Fill in the blanks with most appropriate option.

Bio-gas is an excellent fuel as it contains up to $75 %$ __(i)___. It burns without smoke, leaves no residue like ash in wood. Its heating capacity is __(ii)____.The slurry left behind is removed periodically and used as excellent manure, rich in __(iii)____ and __(iv)___.

	$(i)$	$(ii)$	$(iii)$	$(iv)$
$(A)$	Methane	High	Nitrogen	Phosphorous
$(B)$	Nitrogen	Low	Methane	Phosphorous
$(C)$	Methane	Low	Nitrogen	Oxygen
$(D)$	Oxygen	High	Nitrogen	Phosphorous

Which of the following statements is not correct regarding the geothermal energy?

Important Questions on Sources of Energy

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