Q. Which connective tissue is responsible for the transport of nutrients and gases? (2021)
-
A.
Adipose tissue
-
B.
Blood
-
C.
Bone
-
D.
Cartilage
Solution
Blood is a connective tissue that is responsible for the transport of nutrients, gases, and waste products throughout the body.
Correct Answer: B — Blood
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Q. Which connective tissue stores fat in the body? (2022)
-
A.
Adipose Tissue
-
B.
Cartilage
-
C.
Bone
-
D.
Blood
Solution
Adipose tissue stores fat in the body.
Correct Answer: A — Adipose Tissue
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Q. Which connective tissue type is responsible for the transport of nutrients and gases? (2021)
-
A.
Adipose tissue
-
B.
Blood
-
C.
Cartilage
-
D.
Bone
Solution
Blood is a connective tissue that transports nutrients, gases, and waste products throughout the body.
Correct Answer: B — Blood
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Q. Which contraceptive method is considered permanent? (2022)
-
A.
Condoms
-
B.
IUDs
-
C.
Tubal ligation
-
D.
Birth control pills
Solution
Tubal ligation is a surgical procedure that permanently prevents pregnancy by blocking the fallopian tubes.
Correct Answer: C — Tubal ligation
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Q. Which device is used to convert AC to DC? (2023)
-
A.
Transistor
-
B.
Diode
-
C.
Capacitor
-
D.
Inductor
Solution
A diode is used to convert alternating current (AC) to direct current (DC) by allowing current to flow in one direction.
Correct Answer: B — Diode
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Q. Which disease is caused by a deficiency of Vitamin C? (2022)
-
A.
Scurvy
-
B.
Rickets
-
C.
Beriberi
-
D.
Pellagra
Solution
Scurvy is caused by a deficiency of Vitamin C, leading to symptoms like bleeding gums and weakness.
Correct Answer: A — Scurvy
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Q. Which element is commonly used in nuclear reactors as fuel? (2022)
-
A.
Uranium-235
-
B.
Carbon-12
-
C.
Hydrogen-1
-
D.
Oxygen-16
Solution
Uranium-235 is commonly used as fuel in nuclear reactors due to its ability to sustain a chain reaction.
Correct Answer: A — Uranium-235
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Q. Which enzyme is commonly used in the process of DNA cloning? (2022)
-
A.
DNA polymerase
-
B.
Restriction endonuclease
-
C.
Ligase
-
D.
Reverse transcriptase
Solution
Restriction endonucleases are used to cut DNA at specific sequences, which is essential for DNA cloning.
Correct Answer: B — Restriction endonuclease
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Q. Which enzyme is commonly used in the process of gene cloning? (2018)
-
A.
DNA polymerase
-
B.
Ligase
-
C.
Restriction endonuclease
-
D.
RNA polymerase
Solution
Restriction endonucleases are used to cut DNA at specific sequences, facilitating gene cloning.
Correct Answer: C — Restriction endonuclease
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Q. Which enzyme is involved in the Krebs cycle during respiration? (2022)
-
A.
ATP synthase
-
B.
Hexokinase
-
C.
Citrate synthase
-
D.
Pyruvate kinase
Solution
Citrate synthase is an enzyme involved in the Krebs cycle, catalyzing the first step of the cycle.
Correct Answer: C — Citrate synthase
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Q. Which enzyme is responsible for protein digestion in the stomach? (2021)
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A.
Amylase
-
B.
Pepsin
-
C.
Trypsin
-
D.
Lipase
Solution
Pepsin is the enzyme that digests proteins in the acidic environment of the stomach.
Correct Answer: B — Pepsin
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Q. Which enzyme is responsible for the digestion of carbohydrates in the mouth? (2021)
-
A.
Amylase
-
B.
Pepsin
-
C.
Lipase
-
D.
Trypsin
Solution
Amylase is the enzyme that breaks down carbohydrates into simpler sugars in the mouth.
Correct Answer: A — Amylase
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Q. Which enzyme is responsible for unwinding the DNA double helix during replication? (2021)
-
A.
DNA polymerase
-
B.
Helicase
-
C.
Ligase
-
D.
Primase
Solution
Helicase is the enzyme that unwinds the DNA double helix during the process of replication.
Correct Answer: B — Helicase
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Q. Which enzyme is secreted by the pancreas to aid in protein digestion? (2023)
-
A.
Amylase
-
B.
Pepsin
-
C.
Trypsin
-
D.
Lipase
Solution
Trypsin is a pancreatic enzyme that helps in the digestion of proteins in the small intestine.
Correct Answer: C — Trypsin
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Q. Which enzyme is secreted by the pancreas to digest proteins? (2023)
-
A.
Amylase
-
B.
Pepsin
-
C.
Trypsin
-
D.
Lipase
Solution
Trypsin is a proteolytic enzyme secreted by the pancreas that digests proteins in the small intestine.
Correct Answer: C — Trypsin
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Q. Which force is primarily responsible for holding the nucleus together? (2022)
-
A.
Gravitational force
-
B.
Electromagnetic force
-
C.
Weak nuclear force
-
D.
Strong nuclear force
Solution
The strong nuclear force is responsible for holding the protons and neutrons together in the nucleus.
Correct Answer: D — Strong nuclear force
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Q. Which force is responsible for holding the nucleus together? (2019)
-
A.
Gravitational force
-
B.
Electromagnetic force
-
C.
Weak nuclear force
-
D.
Strong nuclear force
Solution
The strong nuclear force is responsible for holding the protons and neutrons together in the nucleus.
Correct Answer: D — Strong nuclear force
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Q. Which gas behaves most like an ideal gas under standard conditions? (2019)
-
A.
Helium
-
B.
Carbon dioxide
-
C.
Water vapor
-
D.
Ammonia
Solution
Helium behaves most like an ideal gas under standard conditions due to its low intermolecular forces and small size.
Correct Answer: A — Helium
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Q. Which gas behaves most like an ideal gas? (2020)
-
A.
Helium
-
B.
Carbon dioxide
-
C.
Water vapor
-
D.
Ammonia
Solution
Helium behaves most like an ideal gas because it is a monoatomic gas with weak intermolecular forces.
Correct Answer: A — Helium
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Q. Which gas is a byproduct of photosynthesis? (2023)
-
A.
Carbon dioxide
-
B.
Nitrogen
-
C.
Oxygen
-
D.
Methane
Solution
Oxygen is released as a byproduct of photosynthesis during the light-dependent reactions.
Correct Answer: C — Oxygen
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Q. Which gas is evolved when an acid reacts with a carbonate? (2022)
Solution
When an acid reacts with a carbonate, carbon dioxide (CO2) gas is evolved.
Correct Answer: C — CO2
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Q. Which gas is primarily responsible for the regulation of breathing rate? (2022)
-
A.
Oxygen
-
B.
Carbon dioxide
-
C.
Nitrogen
-
D.
Hydrogen
Solution
Carbon dioxide levels in the blood are the primary factor that regulates the rate of breathing.
Correct Answer: B — Carbon dioxide
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Q. Which gas is released as a byproduct of photosynthesis? (2022)
-
A.
Carbon dioxide
-
B.
Oxygen
-
C.
Nitrogen
-
D.
Methane
Solution
Oxygen is released as a byproduct of photosynthesis during the light-dependent reactions.
Correct Answer: B — Oxygen
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Q. Which gas is released during the process of respiration in plants? (2022)
-
A.
Oxygen
-
B.
Carbon dioxide
-
C.
Nitrogen
-
D.
Hydrogen
Solution
Carbon dioxide is released as a byproduct during the process of respiration in plants.
Correct Answer: B — Carbon dioxide
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Q. Which gas would have the highest root mean square speed at the same temperature? (2019)
-
A.
Oxygen (O2)
-
B.
Nitrogen (N2)
-
C.
Hydrogen (H2)
-
D.
Carbon Dioxide (CO2)
Solution
Hydrogen (H2) has the lowest molar mass among the given gases, thus it has the highest root mean square speed at the same temperature.
Correct Answer: C — Hydrogen (H2)
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Q. Which gland is known as the 'master gland' of the endocrine system? (2021)
-
A.
Thyroid
-
B.
Pituitary
-
C.
Adrenal
-
D.
Pancreas
Solution
The pituitary gland is often referred to as the 'master gland' because it regulates the functions of other endocrine glands.
Correct Answer: B — Pituitary
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Q. Which group of organisms is known for being autotrophic? (2023)
-
A.
Animals
-
B.
Fungi
-
C.
Plants
-
D.
Bacteria
Solution
Plants are known for being autotrophic as they can produce their own food through photosynthesis.
Correct Answer: C — Plants
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Q. Which group of organisms is known for their ability to live in extreme environments? (2023)
-
A.
Eubacteria
-
B.
Archaebacteria
-
C.
Fungi
-
D.
Protozoa
Solution
Archaebacteria are known for their ability to thrive in extreme environments.
Correct Answer: B — Archaebacteria
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Q. Which group of plants is known for having vascular tissues? (2019)
-
A.
Bryophytes
-
B.
Pteridophytes
-
C.
Algae
-
D.
Mosses
Solution
Pteridophytes are the first group of plants to develop vascular tissues, which help in the transport of water and nutrients.
Correct Answer: B — Pteridophytes
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Q. Which group of plants is known for producing seeds without flowers? (2023)
-
A.
Angiosperms
-
B.
Gymnosperms
-
C.
Bryophytes
-
D.
Pteridophytes
Solution
Gymnosperms are known for producing seeds that are not enclosed in flowers.
Correct Answer: B — Gymnosperms
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