The following six (6) items consist of two statements, Statement I and Statement II. You are to examine these two statements carefully and select the answers to these items using the code given below :
Code :
(A) Both the statements are individually true and Statement II is the correct explanation of Statement I
(B) Both the statements are individually true but Statement II is not the correct explanation of Statement I
(C) Statement I is true but Statement II is false
(D) Statement I is false but Statement II is true
Q 26. Statement I: Minerals are formed by slow cooling of the magma.
Statement II: Very small crystals are formed when lava cools quickly on the surface.
Ans : (D)
Q 27. Statement I: The Kullu Valley in Himachal Pradesh receives copious snowfall during winter.
Statement II: The Kullu Valley receives moisture-bearing wind of the Western Disturbances during winter.
Ans : (C)
Q 28. Statement I: The hills with dense vegetation cover do not experience heavy soil erosion.
Statement II: The vegetation cover helps infiltration of rainwater and binding of soils.
Ans : (A)
Q 29. Statement I: The decrease of air temperature with increasing altitudes in the atmosphere is called the vertical temperature gradient.
Statement II: In Troposphere, air temperature decreases with increasing altitude due to radiation from the Earth.
Ans : (A)
Q 30. Statement I: Chemical weathering processes are found more active in hot and humid environment.
Statement II: High temperature and rainfall help in the process of decomposition of rocks.
Ans : (C)
Q 31. Statement I: The acceleration due to gravity decreases with increase in height from the surface of the Earth.
Statement II: The acceleration due to gravity is inversely proportional to the square of the distance from the centre of the Earth.
Ans : (A)
Q 32. The Number of valence electrons in the O2- ion is
(A) 4
(B) 6
(C) 8
(D) 10
Ans : (C)
Q 33. Within an animal cell, the most abundant inorganic constituent of protoplasm is
(A) Sodium and potassium salt
(B) Water
(C) Iron
(D) Phosphate
Ans : (A)
Q 34. Two conducting wires A and B are made of same material. If the length of B is twice that of A and the radius of circular cross-section of A is twice that of B, then their resistances RA and RB are in the ratio
(A) 2 : 1
(B) 1 : 2
(C) 1 : 8
(D) 1 : 4
Ans : (B)
Q 35. Consider the following statements :
A real image
1. can be formed on a screen
2. is always magnified and inverted
Which of the statements given above is/are correct?
(A) 1 only
(B) 2 only
(C) Both 1 and 2
(D) Neither 1 nor 2
Ans : (A)
Q 36. Which one of the following is the correct electronic configuration of Chlorine?
(A) 2, 7, 8
(B) 2, 8, 7
(C) 2, 8, 8
(D) 7, 8, 2
Ans : (B)
Q 37. In honey, which one among the following sugars predominates?
(A) Sucrose
(B) Fructose
(C) Galactose
(D) Maltose
Ans : (B)
Q 38. During short-circuiting, the current flowing in the electrical circuit
(A) Reduces substantially
(B) Does not change
(C) Increases instantaneously
(D) Varies continuously
Ans : (C)
Q 39. The number of aluminium ions present in 54g aluminium (atomic weight 27) is
(A) 2
(B) 18
(C) 1.1 x 1024
(D) 1.2 x 1024
Ans : (D)
Q 40. What is 'Breakbone Fever' most commonly known as?
(A) Typhoid
(B) Rhinitis
(C) Yellow fever
(D) Dengue
Ans : (D)
Q 41. Van de Graaff generator is used for
(A) Accelerating charged particles
(B) Generating large currents
(C) Generating electric field
(D) Generating high-frequency voltage
Ans : (D)
Q 42. The most stable form of carbon is
(A) Diamond
(B) Graphite
(C) Fullerene
(D) Coal
Ans : (B)
Q 43. Which one among the following is not a sexually transmitted disease?
(A) Syphilis
(B) Gonorrhea
(C) Scurvy
(D) Hepatitis B
Ans : (C)
Q 44. The summer and winter seasons in a year are caused by
(A) Aphelion (farthest) and perihelion (nearest) positions of the Earth from the Sun during the annual revolution
(B) Rotation of the Earth on its axis
(C) Variation in solar isolation
(D) Revolution of the Earth on its inclined axis
Ans : (D)
Q 45. The latest discovered state of matter is
(A) Solid
(B) Bose-Einstein condensate
(C) Plasma
(D) Liquid
Ans : ()
Q 46. Which of the following pairs represents isoelectronic ions?
(A) Na+, K+
(B) K+, Mg2+
(C) Mg2+, Ca2+
(D) Ca2+, S2-
Ans : (B)
Q 47. After diagnosis of disease in a person, the doctor advises the patient iron and folic acid tablets. The person is suffering from
(A) Osteoporosis
(B) Anaemia
(C) Goitre
(D) Protein-energy malnutrition
Ans : (B)
Q 48. Which one among the following is the coral group of islands of India?
(A) Andaman
(B) Nicobar
(C) Minicoy
(D) Lakshadweep
Ans : (D)
Q 49. Bernoulli's principle is based on which one among the following laws?
(A) Conversion of mass
(B) Conversion of momentum
(C) Conversion of angular momentum
(D) Conversion of energy
Ans : (D)
Q 50.
The displacement (x)-time (t) graph given above approximately represents the motion of a
(A) Simple pendulum placed in vacuum
(B) Simple pendulum immersed in water
(C) Simple pendulum placed in outer space
(D) Point mass moving in air
Ans : (B)
Code :
(A) Both the statements are individually true and Statement II is the correct explanation of Statement I
(B) Both the statements are individually true but Statement II is not the correct explanation of Statement I
(C) Statement I is true but Statement II is false
(D) Statement I is false but Statement II is true
Q 26. Statement I: Minerals are formed by slow cooling of the magma.
Statement II: Very small crystals are formed when lava cools quickly on the surface.
Ans : (D)
Q 27. Statement I: The Kullu Valley in Himachal Pradesh receives copious snowfall during winter.
Statement II: The Kullu Valley receives moisture-bearing wind of the Western Disturbances during winter.
Ans : (C)
Q 28. Statement I: The hills with dense vegetation cover do not experience heavy soil erosion.
Statement II: The vegetation cover helps infiltration of rainwater and binding of soils.
Ans : (A)
Q 29. Statement I: The decrease of air temperature with increasing altitudes in the atmosphere is called the vertical temperature gradient.
Statement II: In Troposphere, air temperature decreases with increasing altitude due to radiation from the Earth.
Ans : (A)
Q 30. Statement I: Chemical weathering processes are found more active in hot and humid environment.
Statement II: High temperature and rainfall help in the process of decomposition of rocks.
Ans : (C)
Q 31. Statement I: The acceleration due to gravity decreases with increase in height from the surface of the Earth.
Statement II: The acceleration due to gravity is inversely proportional to the square of the distance from the centre of the Earth.
Ans : (A)
Q 32. The Number of valence electrons in the O2- ion is
(A) 4
(B) 6
(C) 8
(D) 10
Ans : (C)
Q 33. Within an animal cell, the most abundant inorganic constituent of protoplasm is
(A) Sodium and potassium salt
(B) Water
(C) Iron
(D) Phosphate
Ans : (A)
Q 34. Two conducting wires A and B are made of same material. If the length of B is twice that of A and the radius of circular cross-section of A is twice that of B, then their resistances RA and RB are in the ratio
(A) 2 : 1
(B) 1 : 2
(C) 1 : 8
(D) 1 : 4
Ans : (B)
Q 35. Consider the following statements :
A real image
1. can be formed on a screen
2. is always magnified and inverted
Which of the statements given above is/are correct?
(A) 1 only
(B) 2 only
(C) Both 1 and 2
(D) Neither 1 nor 2
Ans : (A)
Q 36. Which one of the following is the correct electronic configuration of Chlorine?
(A) 2, 7, 8
(B) 2, 8, 7
(C) 2, 8, 8
(D) 7, 8, 2
Ans : (B)
Q 37. In honey, which one among the following sugars predominates?
(A) Sucrose
(B) Fructose
(C) Galactose
(D) Maltose
Ans : (B)
Q 38. During short-circuiting, the current flowing in the electrical circuit
(A) Reduces substantially
(B) Does not change
(C) Increases instantaneously
(D) Varies continuously
Ans : (C)
Q 39. The number of aluminium ions present in 54g aluminium (atomic weight 27) is
(A) 2
(B) 18
(C) 1.1 x 1024
(D) 1.2 x 1024
Ans : (D)
Q 40. What is 'Breakbone Fever' most commonly known as?
(A) Typhoid
(B) Rhinitis
(C) Yellow fever
(D) Dengue
Ans : (D)
Q 41. Van de Graaff generator is used for
(A) Accelerating charged particles
(B) Generating large currents
(C) Generating electric field
(D) Generating high-frequency voltage
Ans : (D)
Q 42. The most stable form of carbon is
(A) Diamond
(B) Graphite
(C) Fullerene
(D) Coal
Ans : (B)
Q 43. Which one among the following is not a sexually transmitted disease?
(A) Syphilis
(B) Gonorrhea
(C) Scurvy
(D) Hepatitis B
Ans : (C)
Q 44. The summer and winter seasons in a year are caused by
(A) Aphelion (farthest) and perihelion (nearest) positions of the Earth from the Sun during the annual revolution
(B) Rotation of the Earth on its axis
(C) Variation in solar isolation
(D) Revolution of the Earth on its inclined axis
Ans : (D)
Q 45. The latest discovered state of matter is
(A) Solid
(B) Bose-Einstein condensate
(C) Plasma
(D) Liquid
Ans : ()
Q 46. Which of the following pairs represents isoelectronic ions?
(A) Na+, K+
(B) K+, Mg2+
(C) Mg2+, Ca2+
(D) Ca2+, S2-
Ans : (B)
Q 47. After diagnosis of disease in a person, the doctor advises the patient iron and folic acid tablets. The person is suffering from
(A) Osteoporosis
(B) Anaemia
(C) Goitre
(D) Protein-energy malnutrition
Ans : (B)
Q 48. Which one among the following is the coral group of islands of India?
(A) Andaman
(B) Nicobar
(C) Minicoy
(D) Lakshadweep
Ans : (D)
Q 49. Bernoulli's principle is based on which one among the following laws?
(A) Conversion of mass
(B) Conversion of momentum
(C) Conversion of angular momentum
(D) Conversion of energy
Ans : (D)
Q 50.
The displacement (x)-time (t) graph given above approximately represents the motion of a
(A) Simple pendulum placed in vacuum
(B) Simple pendulum immersed in water
(C) Simple pendulum placed in outer space
(D) Point mass moving in air
Ans : (B)
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