Basic Science MCQ with Answers-2

SKB — Mon, 11 Sep 2017 06:49:16 +0000

1. The volume is derived quantity from_______
a) Breadth b) Mass c) Length d) None
2. SI Unit of energy is__________
a) Joule b) Calvin c) N d) None
3. Symbol of Candela is _________
a) cD b) Cd c)CD d)None
4. 1 Hour 18 mins_________seconds
a) 4680 b) 4682 c) 5676 d) 4563
5. Time period of a seconds pendulum is independent of its length.
a) False b) True
6. Weight of a body varies from place to place.
a) False b) True
7. _____can be classified chemically into pure substances and mixtures
a) Matter b)Mass c) Energy d) Motion
8. Soda water can be separated by ________ pressure
a) Increasing b) lowering c)none
9. Baking soda is a compound
a) True b) False
10. Chemical formula of ____________is Ca3N2
a) Calcium nitride b) Calcium nitrogen c) Calcium nitroxide d) None
11. Name of the element Ni is_______
a) Nichrome b)Neon c) Nickel d) Nitrogen
12. Cathode rays are _______charged particles
a) Negatively b) Positively c) Neutrally d) None
13. The nucleus of an atom is neutral
a) False b) True
14. According to Rutherford’s atomic model entire mass of the atom is concentrated at the ________
a) Orbit of the atom b) Center of atom c)subshell d) None
15. As long as electron is in a particular orbit, electron can never lose its energy on its own
a) True b) False

Answers: 1-c 2-a 3-b 4-a 5-a 6-b 7-a 8-b 9-a 10-a 11-c 12-a 13-a 14-b 15-a

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Basic Science MCQ with Answers-1

SKB — Sat, 09 Sep 2017 08:58:46 +0000

1. During refraction of light, which of the following quantities change?
a) Frequency b) Phase c) Speed d) Wavelength
2. Total internal reflection may take place if light is passing from
a) Water to glass b)Water to air c) Glass o to air d) Glass to water
3. A ray parallel to the principal axis, after reflection, will pass through the principal focus.
a) True b) False
4. Power of lens is the reciprocal of its __________
a) Axis length b)Focal length c) Both A and B d) None
5. Human eye forms the image of an object at its__________
a) Retina b) Wall c) Eye lid d) None
6. Splitting of white light into constituent colours is called_____
a)Reflection b) Refraction c) Dispersion d) None
7. Interference of light confirms _________ nature of light
a) Wave b) Source c) Frequency d) None
8. The Energy is _______when electron jumps from N shell to L shell.
a) Absorbed b) Emitted c) None
9. The atomic size ____in a period due to increase in atomic number
a)decrease b) Increase c) None
10. All metals form hydrides with hydrogen
a) True b) False
11. Less amount of energy is required to remove ‘s’ electron than ‘p’ electron
a) True b) False
12) Number of bonding pairs of electrons in water H2O is
a)1 b)2 c)3 d)4
13. Who is regarded as father of modern chemistry?
a) Rutherford b) Einstein c) Antoine Lavoisier d)C.V. Raman
14. Which acid is present in lemon ?
a) Marlic acid b) citric acid c) lactic acid d)tartaric acid
15. What among following is used to produce artificial rain?
a) Copper oxide b) carbon monoxide c) silver iodide d) silver nitrate

Answers : 1) c, d 2) b,c,d 3)a 4)b 5)a 6)c 7)a 8)b 9)a 10)b 11)b 12)b 13)b 14)b 15)c

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Basic Science MCQ with Answers-2

Basic Science MCQ with Answers-1