Q. Which polymer is commonly used in the production of plastic bottles?
A.
Polypropylene
B.
Polyethylene terephthalate
C.
Polystyrene
D.
Polyvinyl chloride
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Solution
Polyethylene terephthalate (PET) is commonly used in the production of plastic bottles.
Correct Answer: B — Polyethylene terephthalate
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Q. Which polymer is commonly used in the production of rubber?
A.
Polyethylene
B.
Natural rubber
C.
Polystyrene
D.
Polyvinyl chloride
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Solution
Natural rubber is a polymer that is widely used in the production of rubber products.
Correct Answer: B — Natural rubber
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Q. Which polymer is commonly used in the production of synthetic fibers? (2023)
A.
Polyethylene
B.
Nylon
C.
Polystyrene
D.
Polyvinyl acetate
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Solution
Nylon is a synthetic polymer widely used in the production of synthetic fibers for clothing and textiles.
Correct Answer: B — Nylon
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Q. Which polymer is known for its high resistance to heat and chemicals?
A.
Polyethylene
B.
Teflon
C.
Nylon
D.
Acrylic
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Solution
Teflon is known for its high resistance to heat and chemicals.
Correct Answer: B — Teflon
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Q. Which polymer is known for its high resistance to heat?
A.
Polyethylene
B.
Teflon
C.
Polypropylene
D.
PVC
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Solution
Teflon (PTFE) is known for its high heat resistance and non-stick properties.
Correct Answer: B — Teflon
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Q. Which preposition is used to indicate a relationship? (2021)
A.
with
B.
at
C.
in
D.
on
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Solution
'With' is used to indicate a relationship or association between two entities.
Correct Answer: A — with
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Q. Which preposition is used to indicate a specific time? (2021)
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Solution
The preposition 'at' is used to indicate a specific time, such as 'at 5 PM'.
Correct Answer: A — at
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Q. Which preposition is used to show direction? (2020)
A.
to
B.
with
C.
about
D.
for
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Solution
The preposition 'to' is used to show direction, as in 'going to the store'.
Correct Answer: A — to
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Q. Which principle explains why a ship floats on water?
A.
Archimedes' principle
B.
Bernoulli's principle
C.
Pascal's principle
D.
Newton's third law
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Solution
Archimedes' principle states that a body submerged in a fluid experiences an upward buoyant force equal to the weight of the fluid displaced.
Correct Answer: A — Archimedes' principle
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Q. Which principle states that the pressure exerted on a confined fluid is transmitted undiminished in all directions?
A.
Archimedes' Principle
B.
Pascal's Principle
C.
Bernoulli's Principle
D.
Hydrostatic Principle
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Solution
Pascal's Principle states that pressure applied to a confined fluid is transmitted undiminished in all directions.
Correct Answer: B — Pascal's Principle
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Q. Which principle states that the pressure in a fluid decreases as the fluid's velocity increases? (2022)
A.
Bernoulli's Principle
B.
Archimedes' Principle
C.
Pascal's Principle
D.
Hydrostatic Principle
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Solution
Bernoulli's Principle states that an increase in the speed of a fluid occurs simultaneously with a decrease in pressure.
Correct Answer: A — Bernoulli's Principle
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Q. Which process describes the movement of water from the roots to the leaves of a plant?
A.
Translocation
B.
Transpiration
C.
Absorption
D.
Capillarity
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Solution
Translocation refers to the movement of water and nutrients through the plant, specifically from the roots to the leaves.
Correct Answer: A — Translocation
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Q. Which process describes the movement of water from the roots to the leaves?
A.
Translocation
B.
Transpiration
C.
Absorption
D.
Capillarity
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Solution
Translocation refers to the movement of water and nutrients through the plant, specifically from the roots to the leaves.
Correct Answer: A — Translocation
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Q. Which process do plants use to convert sunlight into chemical energy? (2019)
A.
Respiration
B.
Photosynthesis
C.
Fermentation
D.
Transpiration
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Solution
Photosynthesis is the process by which plants convert sunlight into chemical energy stored in glucose.
Correct Answer: B — Photosynthesis
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Q. Which process do plants use to convert sunlight into energy? (2022)
A.
Cellular respiration
B.
Photosynthesis
C.
Fermentation
D.
Transpiration
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Solution
Plants use photosynthesis to convert sunlight into chemical energy.
Correct Answer: B — Photosynthesis
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Q. Which process involves a change in temperature due to heat transfer?
A.
Isothermal process
B.
Adiabatic process
C.
Isobaric process
D.
Isochoric process
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Solution
An isobaric process occurs at constant pressure and can involve a change in temperature due to heat transfer.
Correct Answer: C — Isobaric process
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Q. Which process involves a change in temperature without a change in heat content?
A.
Isothermal process
B.
Adiabatic process
C.
Isochoric process
D.
Isobaric process
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Solution
In an adiabatic process, there is no heat exchange with the surroundings, leading to a change in temperature.
Correct Answer: B — Adiabatic process
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Q. Which process involves a change in temperature without a change in phase?
A.
Melting
B.
Boiling
C.
Heating
D.
Condensation
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Solution
Heating involves a change in temperature without a change in phase.
Correct Answer: C — Heating
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Q. Which process involves the conversion of light energy into chemical energy?
A.
Respiration
B.
Transpiration
C.
Photosynthesis
D.
Fermentation
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Solution
Photosynthesis is the process by which plants convert light energy into chemical energy stored in glucose.
Correct Answer: C — Photosynthesis
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Q. Which process involves the movement of water across a semipermeable membrane?
A.
Diffusion
B.
Osmosis
C.
Active transport
D.
Facilitated diffusion
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Solution
Osmosis is the process of water movement across a semipermeable membrane from an area of lower solute concentration to an area of higher solute concentration.
Correct Answer: B — Osmosis
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Q. Which process involves the movement of water from the roots to the leaves of a plant?
A.
Transpiration
B.
Photosynthesis
C.
Glycolysis
D.
Respiration
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Solution
Transpiration is the process where water is absorbed by plant roots and moves through the plant to evaporate from the leaves.
Correct Answer: A — Transpiration
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Q. Which process involves the movement of water from the roots to the leaves?
A.
Transpiration
B.
Photosynthesis
C.
Respiration
D.
Germination
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Solution
Transpiration is the process through which water is absorbed by plant roots and then evaporated from the leaves, creating a continuous flow of water.
Correct Answer: A — Transpiration
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Q. Which process involves the transfer of heat through the movement of fluids?
A.
Conduction
B.
Convection
C.
Radiation
D.
Insulation
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Solution
Convection is the process of heat transfer through the movement of fluids.
Correct Answer: B — Convection
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Q. Which process is primarily responsible for the movement of water in plants? (2020)
A.
Diffusion
B.
Osmosis
C.
Active transport
D.
Transpiration
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Solution
Transpiration creates a negative pressure in the leaves, which helps in the upward movement of water through the xylem.
Correct Answer: D — Transpiration
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Q. Which process is responsible for the movement of water across a semi-permeable membrane? (2020)
A.
Diffusion
B.
Osmosis
C.
Active transport
D.
Facilitated diffusion
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Solution
Osmosis is the process by which water moves across a semi-permeable membrane from an area of lower solute concentration to an area of higher solute concentration.
Correct Answer: B — Osmosis
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Q. Which process is responsible for the movement of water across a semipermeable membrane? (2020)
A.
Diffusion
B.
Osmosis
C.
Active transport
D.
Facilitated diffusion
Show solution
Solution
Osmosis is the process of movement of water across a semipermeable membrane.
Correct Answer: B — Osmosis
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Q. Which process is used by cells to obtain energy from glucose? (2022)
A.
Photosynthesis
B.
Fermentation
C.
Cellular respiration
D.
Transpiration
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Solution
Cells obtain energy from glucose through the process of cellular respiration.
Correct Answer: C — Cellular respiration
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Q. Which product consistently outperformed the others in Q1 and Q2 as per the table?
A.
Product A
B.
Product B
C.
Product C
D.
Product D
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Solution
Product B consistently outperformed the others in both Q1 and Q2.
Correct Answer: B — Product B
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Q. Which product consistently performed better than the others in all quarters?
A.
Product A
B.
Product B
C.
Product C
D.
Product D
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Solution
Product B consistently outperformed the others in all quarters.
Correct Answer: B — Product B
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Q. Which product consistently performed better than the others in every quarter?
A.
Product A
B.
Product B
C.
Product C
D.
Product D
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Solution
Product B consistently outperformed the others in every quarter.
Correct Answer: B — Product B
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