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1. Which of thefollowing is not a matter?
(a) Air
(b) Feelingof cold
(c) Dust
(d) Humidity
2. After heating common salt and ammonium chloride for a few minutes, we can observe the following on the upper part of the inverted funnel:
(a) reddish brown deposit.
(b) water droplets
(c) a white solid deposit
(d) a yellow gas
3. Which of the following is not a noble gas?
(a) Helium
(b) Neon
(c) Argon
(d) Hydrogen
4. Identify a physical quantity which is not avector
(a) displacement
(b) distance
(c) acceleration
(d) force
5. A man starts his journey and gains avelocity of 10m/s in 2s. Find its acceleration?
(a) 5ms-2
(b) 2ms-2
(c) 1ms-2
(d) 10ms-2
6. When a body covers unequaldistances in equal intervals of time, it is said to be in(a) linear motion(b) uniform motion(c) non-uniform motion(d) vibratory motion
(a) linear motion
(b) uniform motion
(c) non-uniform motion
(d) vibratory motion
7.Theuniversal constant of gravitation G has the unit:
(a) N
(b) m/s2
(c) (Nm2)/kg2
(d) J
8.________ iscaused by Anopheles mosquito.
a) Malaria
b) Dengue
c) Cholera
d) Typhoid
9.Which of the following is a chronicdisease?
a)Cold
b)Diabetes
c)Influenza
d)Typhoid
10. Uneven heating of air over land andwater-bodies causes
a)Rain
b)Monsoon
c)Winds
d)Life
11. Nitrogen fixation can be done by
a)Metalloenzymes
b)Rhizobium
c)Nitrogenases
d)Both a and c
12. Valency of noble gases is
(a) 1
(b) 0
(c) 2
(d) none of these
13. The elementwhose gram-atomic mass and gram-molecular mass are the same is
(a) argon
(b) nitrogen
(c) oxygen
(d) hydrogen
14. An element has electronic configuration 2,6; the element is
(a) Carbon
(b) Nitrogen
(c) Oxygen
(d) Fluorine
15. A particle travels with a speed of 18km/hr, its speed in m/s is
(a) 5 m/s
(b) 50 m/s
(c) 64.8 m/s
(d) 6.48 m/s
16. Which of the following is vector quantity?
(a) Distance
(b)Displacement
(c) Velocity
(d) Both (b)and (c)
17. The weight of a body on the earth is 120 N.The weight of the same body on the moon will be
(a) 120 N.
(b) 20 N.
(c) zero.
(d) 240 N
18. Animal husbandry is the scientificmanagement of
a)Animal breeding
b)Culture of animals
c)Animal livestock
d)All of the above
19. Plants acquire Nitrogen from-
a)Water
b)Soil
c)Node
d)None of these
20. What is Ozone?
a)Allotrope of nitrogen
b)Part of nitrogen
c)Part of ozone
d)Allotrope of oxygen
21. Fossil fuel and metallic minerals are:
(a) Renewable resource
(b) Inexhaustible resources
(c) Non-renewable resources
(d) None of these
22. Which condition out of the followingincrease the evaporation of water?
(a) Increase in temperature of water
(b)Decrease in temperature of water
(c) Adding common salt to water
(d)Less exposed surface area of water.
23. Among the three physical states
(a) Both solids and liquids showfluidity
(b) Both liquids and gases showfluidity
(c) Only liquids show fluidity
(d) Only gases show fluidity
24. The isotopes of an element contain:
(a) same number of neutrons butdifferent number of protons
(b) same number of neutrons butdifferent number of electrons
(c) different number of protons as wellas different number of neutrons
(d) different number of neutrons butsame number of protons
25. In which of the following cases of motions,the distance moved and the magnitude of displacement are equal?
(a) If the car is moving on a straightroad.
(b) If the car is moving in circularpath.
(c) The pendulum is moving to and fro.
(d) The earth is revolving around thesun.
26. The acronym SONAR stands for
a)Sound Navigation And Ranging
b)Sound Navigation And Ringing
c)Sound Negative And Ranging
d)Sound Narration And Ranging
27. Which part of human ear collects sound fromthe surroundings?
a)Hammer
b)Stirrup
c)Pinna
d)Cochlea
28. Soil erosion is-
a)Rainwater harvesting
b)Groundwater extraction
c)Removal of fertile layer of soil
d)Avoiding water wastage
29. Which of thefollowing statements about the de-nitrification is not correct-
a)Nitrates to atmospheric nitrogen
b)Ammonia to organic matter
c)Nitrates to nitrites
d)None of the above
30. Mosquito is a vector for disease
a) Malaria
b) Typhoid
c) Dengue
d) All of the above
31. Which of theseis an air-borne disease?
a)Diphtheria
b)Jaundice
c)Syphilis
d)Cancer
32. In an atom valence electrons are present in
(a) 1st shell
(b) 2nd shell
(c) Outermost shell
(d) Last but one shell
33. For an element, Z = 9. The valency of thiselement will be:
(a) 4
(b) 2
(c) 1
(d) 3
34. Which wave property determines loudness?
a)Amplitude
b)Frequency
c)Oscillation
d)Both (a) and (b)
35. Sound cannot travel in
a)Medium
b)Vacuum
c)Both (a) and (b)
d)Solids
36. Carbon present in the atmosphere in theform of-
a)Carbon monoxide
b)Carbon dioxide
c)Carbon Carbon
d)Carbon methane
37. Poultry farming is undertaken to raisefollowing
a.Egg production
b.Feather production
c.Chicken meat
d.Both (a) and (c)
38. What do we call the kind of farming with nouse of chemicals?
a)Organic farming
b)In-organic farming
c)Cattle farming
d)None of these
39. Rhinoceroses communicate using sound wave
a)Infrasound
b)Ultrasound
c)Infrared
d)All of these
40. Size of colloidal particles in a solutionis
(a) more than 100 nm
(b) less than 1 nm
(c) between 1 to 100 nm
(d) between 100 to 1000 nm
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