Science- Paper-I
This paper contains 25 questions. All questions are compulsory. Each question carry 2 marks. Max. time to complete this paper is 30 minutes.
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1. The term cell was coined by- *
2 points
2. Cell theory was proposed by *
2 points
3. The cell theory is not applicable to *
2 points
4. Smooth Endoplasmic Reticulum is the site of *
2 points
5. Which of the following is a gaseous hormone? *
2 points
6. +I effect is shown by *
2 points
7. 0.023 g of sodium metal is reacted with 100 cm 3 of water. The pH of the resulting solution is *
2 points
8. The condensation polymer among the following *
2 points
9. The non-metal which is liquid at room temperature is: *
2 points
10. Bauxite is an ore of *
2 points
11. An electrical appliance has a resistance of 25 Ω. When this electrical appliance is connected to a 230 V supply line, the current passing through it will be: *
2 points
12. The enzymes pepsin and trypsin are secreted respectively by *
2 points
13. The enzymes contained in pancreatic juices help in the digestion of: *
2 points
14. The vein which brings clean blood from the lungs into the heart is known as: *
2 points
15. Plants use the energy stored in ATP to accomplish the process of transportation of: *
2 points
16. Coke is more valuable when used: *
2 points
17. In order to make efficient solar cooker, the cover of cooker box should be made of: *
2 points
18. The rise of sea-water during high tide is caused by the gravitational pull of the: *
2 points
19. The energy efficient device for producing light is: *
2 points
20. The major constituent of biogas is *
2 points
21. The north pole of Earth’s magnet is in the: *
2 points
22. The force exerted on a current carrying wire placed in a magnetic field is zero when the angle between wire and the direction of magnetic field is: *
2 points
23. A positive charge is moving towards a person. The direction of magnetic field lines will be in *
2 points
24. A fuse should always be placed in the *
2 points
25. A person cannot see the distant objects clearly (though he can see the nearby objects clearly). He is suffering from the defect of vision called: *
2 points
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