1. Which fuel is used in aeroplane.
A. Hydrogen B. Helium C. Aviation fuel D. Oxygen
2. Leena mol is in the activity of making an electromagnet. After winding the nail with copper wire she connected it to a battery. Then brought some bell pins near it. But the pins were not attracted. Choose the statement not related to this.
A. Turns of copper wire wound on the nail were less in number
B. Highly charged battery
C. The insulation of the copper wire at the connected ends were not removed
D. Rusted nail
3. 'Anugraha' is the hybrid variety crop of...........
A. Chilli B. Pea C. Ladies finger D. rice
4. The mode of exercise to measure muscular endurance.
A. Sit and reach
B. Pull ups
C. Sit up
D. Push up
5. Who was the Indian captain when India won the first world cup in Cricket.
A. Sunil Gavaskar B. Sachin Tendulkar C. Kapil Dev D. Muhammed Azharuddin
6. The energy change when lightening a match stick.
A. Mechanical energy → Sound energy
B. Light energy →Chemical energy
C. Sound energy → Mechanical energy
D. Chemical energy → Light energy
7. Which game is related to the word 'China man'
A. Table Tennis
B. Sumo wrestling
C. Cricket
D. Hockey
8. What is the colour of acid on blue litmus paper ?
A. Blue B. White C. Red D. Yellow (
9. What is the PH value of neutral substance ?
A. 7. 5 B. 7 C. 6.2 D. 8.5
10. Which pigment gives the flowers a yellow colour?
A. Carotene
B. Xanthophyll
C. Chlorophyll
D. Melanin
11. The metal present in chlorophyll?
A. Calcium B. Magnesium C. Zinc D. Phosphorus
12. In which lever mentioned below resistance comes between fulcrum and effort?
A. Scissors B. Seesaw
C. Lemon squeezer D. Tongs
13. "Pesticides like DDT adversely affects nature and food chain." This is the main point of the book 'Silent spring'. Who wrote this book?
A. Rachel carson
B. Masanobu Fukuvoka
C. Alan Levino
D. Kelly cable
14. Which of the phenomenon of light is utilised in optical fibres?
A. Scattering
B. Total internal reflection
C. Linear reflection
D. Multiple reflection
15. The pH of human blood.
A. 7.53
B. 7.35
C. 7.75
D. 7.80
Ans: 1.C. Aviation fuel
2.B. Highly charged battery 3. A. Chilli 4. C. Sit up 5.C. Kapil Dev 6.D. Chemical energy → Light energy 7. C. Cricket 8.C. Red 9. B. 7 10.B. Xanthophyll 11.B. Magnesium 12.C. Lemon squeezer 13.A. Rachel carson 14. B. Total internal reflection 15.B. 7.35
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