Q. Which type of satellite orbit is best for monitoring weather patterns?
-
A.
Geostationary orbit
-
B.
Polar orbit
-
C.
Elliptical orbit
-
D.
Low Earth orbit
Solution
Geostationary satellites are ideal for monitoring weather patterns as they provide a constant view of the same area.
Correct Answer: A — Geostationary orbit
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Q. Which type of satellite orbit is best for weather monitoring?
-
A.
Geostationary orbit
-
B.
Polar orbit
-
C.
Elliptical orbit
-
D.
Low Earth orbit
Solution
Geostationary orbits are ideal for weather monitoring as they provide a constant view of the same area of the Earth.
Correct Answer: A — Geostationary orbit
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Q. Which type of semiconductor has a higher concentration of holes? (2023)
-
A.
N-type
-
B.
P-type
-
C.
Intrinsic
-
D.
Extrinsic
Solution
P-type semiconductors have a higher concentration of holes compared to N-type semiconductors.
Correct Answer: B — P-type
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Q. Which type of semiconductor has an excess of electrons?
-
A.
P-type
-
B.
N-type
-
C.
Intrinsic
-
D.
Extrinsic
Solution
N-type semiconductors have an excess of electrons due to the addition of donor impurities.
Correct Answer: B — N-type
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Q. Which type of semiconductor is formed by doping silicon with phosphorus? (2020)
-
A.
p-type
-
B.
n-type
-
C.
Intrinsic
-
D.
Superconducting
Solution
Doping silicon with phosphorus creates an n-type semiconductor due to the addition of extra electrons.
Correct Answer: B — n-type
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Q. Which type of solid has a definite melting point and is composed of molecules held together by van der Waals forces? (2022)
-
A.
Ionic solid
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B.
Metallic solid
-
C.
Molecular solid
-
D.
Covalent solid
Solution
Molecular solids are composed of molecules held together by van der Waals forces and have a definite melting point.
Correct Answer: C — Molecular solid
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Q. Which type of solid has a definite melting point? (2022)
-
A.
Amorphous solid
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B.
Crystalline solid
-
C.
Polymeric solid
-
D.
Metallic solid
Solution
Crystalline solids have a definite melting point due to their ordered structure, unlike amorphous solids which melt over a range of temperatures.
Correct Answer: B — Crystalline solid
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Q. Which type of solution does Raoult's Law apply to most accurately?
-
A.
Ideal solutions
-
B.
Non-ideal solutions
-
C.
Concentrated solutions
-
D.
Dilute solutions
Solution
Raoult's Law applies most accurately to ideal solutions, where interactions between different molecules are similar to those in pure substances.
Correct Answer: A — Ideal solutions
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Q. Which type of tissue is responsible for movement in animals? (2019)
-
A.
Epithelial Tissue
-
B.
Connective Tissue
-
C.
Muscle Tissue
-
D.
Nervous Tissue
Solution
Muscle tissue is responsible for movement in animals.
Correct Answer: C — Muscle Tissue
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Q. Which type of tissue is responsible for the movement of the body? (2021)
-
A.
Epithelial Tissue
-
B.
Connective Tissue
-
C.
Muscle Tissue
-
D.
Nervous Tissue
Solution
Muscle tissue is responsible for the movement of the body.
Correct Answer: C — Muscle Tissue
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Q. Which vitamin can be synthesized by the body when exposed to sunlight?
-
A.
Vitamin A
-
B.
Vitamin B12
-
C.
Vitamin C
-
D.
Vitamin D
Solution
Vitamin D can be synthesized by the body when the skin is exposed to sunlight.
Correct Answer: D — Vitamin D
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Q. Which vitamin deficiency can lead to night blindness?
-
A.
Vitamin A
-
B.
Vitamin B12
-
C.
Vitamin C
-
D.
Vitamin D
Solution
A deficiency in Vitamin A can lead to night blindness, as it is crucial for maintaining healthy vision.
Correct Answer: A — Vitamin A
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Q. Which vitamin deficiency can lead to scurvy?
-
A.
Vitamin A
-
B.
Vitamin C
-
C.
Vitamin K
-
D.
Vitamin B1
Solution
A deficiency in Vitamin C can lead to scurvy, characterized by symptoms such as bleeding gums and fatigue.
Correct Answer: B — Vitamin C
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Q. Which vitamin deficiency leads to scurvy? (2019)
-
A.
Vitamin A
-
B.
Vitamin B12
-
C.
Vitamin C
-
D.
Vitamin D
Solution
Scurvy is caused by a deficiency of Vitamin C.
Correct Answer: C — Vitamin C
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Q. Which vitamin is a coenzyme in the metabolism of carbohydrates? (2019)
-
A.
Vitamin A
-
B.
Vitamin B1
-
C.
Vitamin C
-
D.
Vitamin D
Solution
Vitamin B1 (thiamine) acts as a coenzyme in carbohydrate metabolism.
Correct Answer: B — Vitamin B1
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Q. Which vitamin is a powerful antioxidant?
-
A.
Vitamin A
-
B.
Vitamin C
-
C.
Vitamin E
-
D.
Vitamin D
Solution
Vitamin E is known for its antioxidant properties, helping to protect cells from oxidative damage.
Correct Answer: C — Vitamin E
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Q. Which vitamin is also known as thiamine?
-
A.
Vitamin B1
-
B.
Vitamin B2
-
C.
Vitamin B3
-
D.
Vitamin B6
Solution
Vitamin B1 is also known as thiamine and is important for carbohydrate metabolism and nerve function.
Correct Answer: A — Vitamin B1
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Q. Which vitamin is commonly known as ascorbic acid?
-
A.
Vitamin A
-
B.
Vitamin B12
-
C.
Vitamin C
-
D.
Vitamin D
Solution
Ascorbic acid is the chemical name for Vitamin C, which is important for immune function.
Correct Answer: C — Vitamin C
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Q. Which vitamin is crucial for red blood cell formation?
-
A.
Vitamin B6
-
B.
Vitamin B12
-
C.
Vitamin C
-
D.
Vitamin D
Solution
Vitamin B12 is crucial for the formation of red blood cells and the maintenance of the nervous system.
Correct Answer: B — Vitamin B12
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Q. Which vitamin is essential for blood clotting? (2023)
-
A.
Vitamin K
-
B.
Vitamin E
-
C.
Vitamin A
-
D.
Vitamin D
Solution
Vitamin K is essential for the synthesis of proteins required for blood clotting.
Correct Answer: A — Vitamin K
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Q. Which vitamin is essential for the absorption of calcium in the body?
-
A.
Vitamin A
-
B.
Vitamin B12
-
C.
Vitamin C
-
D.
Vitamin D
Solution
Vitamin D is essential for the absorption of calcium, helping to maintain bone health.
Correct Answer: D — Vitamin D
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Q. Which vitamin is essential for the synthesis of coenzyme A?
-
A.
Vitamin B1
-
B.
Vitamin B2
-
C.
Vitamin B5
-
D.
Vitamin B12
Solution
Vitamin B5, also known as pantothenic acid, is essential for the synthesis of coenzyme A, which is important in fatty acid metabolism.
Correct Answer: C — Vitamin B5
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Q. Which vitamin is essential for the synthesis of collagen?
-
A.
Vitamin A
-
B.
Vitamin B12
-
C.
Vitamin C
-
D.
Vitamin D
Solution
Vitamin C is crucial for the synthesis of collagen, a key structural protein in the body.
Correct Answer: C — Vitamin C
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Q. Which vitamin is essential for the synthesis of retinal?
-
A.
Vitamin A
-
B.
Vitamin B2
-
C.
Vitamin C
-
D.
Vitamin D
Solution
Vitamin A is essential for the synthesis of retinal, which is important for vision.
Correct Answer: A — Vitamin A
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Q. Which vitamin is important for blood clotting?
-
A.
Vitamin K
-
B.
Vitamin D
-
C.
Vitamin B6
-
D.
Vitamin C
Solution
Vitamin K is essential for the synthesis of proteins required for blood clotting.
Correct Answer: A — Vitamin K
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Q. Which vitamin is important for the metabolism of amino acids?
-
A.
Vitamin B1
-
B.
Vitamin B6
-
C.
Vitamin B12
-
D.
Vitamin C
Solution
Vitamin B6 is important for amino acid metabolism and the synthesis of neurotransmitters.
Correct Answer: B — Vitamin B6
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Q. Which vitamin is important for the metabolism of carbohydrates and amino acids?
-
A.
Vitamin B1
-
B.
Vitamin B2
-
C.
Vitamin B6
-
D.
All of the above
Solution
Vitamins B1, B2, and B6 all play important roles in the metabolism of carbohydrates and amino acids.
Correct Answer: D — All of the above
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Q. Which vitamin is important for the metabolism of carbohydrates?
-
A.
Vitamin B1
-
B.
Vitamin B2
-
C.
Vitamin B3
-
D.
Vitamin B6
Solution
Vitamin B1, also known as thiamine, is important for carbohydrate metabolism.
Correct Answer: A — Vitamin B1
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Q. Which vitamin is important for the metabolism of fatty acids?
-
A.
Vitamin B1
-
B.
Vitamin B2
-
C.
Vitamin B3
-
D.
Vitamin B5
Solution
Vitamin B5, also known as pantothenic acid, is important for the metabolism of fatty acids.
Correct Answer: D — Vitamin B5
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Q. Which vitamin is important for vision and immune function?
-
A.
Vitamin A
-
B.
Vitamin B2
-
C.
Vitamin C
-
D.
Vitamin K
Solution
Vitamin A is crucial for vision, particularly in low-light conditions, and also plays a role in immune function.
Correct Answer: A — Vitamin A
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