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 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 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
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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 performed better than the others in Q1 and Q2?
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 had the most consistent sales across all quarters according to the table?
A.
Product A
B.
Product B
C.
Product C
D.
Product D
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Solution
Product C had the most consistent sales, showing minimal variation across quarters.
Correct Answer: C — Product C
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Q. Which product had the most consistent sales across all quarters?
A.
Product A
B.
Product B
C.
Product C
D.
Product D
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Solution
Product B had the most consistent sales, showing minimal variation across all quarters.
Correct Answer: B — Product B
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Q. Which product had the most significant fluctuation in sales according to the bar graph?
A.
Product A
B.
Product B
C.
Product C
D.
Product D
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Solution
The graph illustrates that Product C had the most significant fluctuation in sales over the observed period.
Correct Answer: C — Product C
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Q. Which product's sales data indicates a successful marketing campaign in Q2?
A.
Product A
B.
Product B
C.
Product C
D.
Product D
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Solution
Product A's significant increase in sales in Q2 suggests a successful marketing campaign.
Correct Answer: A — Product A
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Q. Which product's sales data suggests a seasonal trend?
A.
Product A
B.
Product B
C.
Product C
D.
Product D
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Solution
Product C's sales data suggests a seasonal trend with peaks in specific quarters.
Correct Answer: C — Product C
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Q. Which product's sales figures are most volatile according to the table?
A.
Product A
B.
Product B
C.
Product C
D.
Product D
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Solution
Product D shows the most volatility with significant fluctuations in sales across the quarters.
Correct Answer: D — Product D
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Q. Which product's sales figures suggest it is losing market share?
A.
Product A
B.
Product B
C.
Product C
D.
Product D
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Solution
Product D's sales figures show a decline over the quarters, indicating a loss in market share.
Correct Answer: D — Product D
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Q. Which product's sales in Q1 were equal to the combined sales of Products A and C in Q2?
A.
Product A
B.
Product B
C.
Product C
D.
Product D
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Solution
Product B's sales in Q1 were equal to the combined sales of Products A and C in Q2.
Correct Answer: B — Product B
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Q. Which product's sales in Q4 were equal to the sum of its sales in Q1 and Q2?
A.
Product A
B.
Product B
C.
Product C
D.
Product D
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Solution
Product C's sales in Q4 were equal to the sum of its sales in Q1 and Q2.
Correct Answer: C — Product C
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Q. Which product's sales were the most volatile according to the table?
A.
Product A
B.
Product B
C.
Product C
D.
Product D
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Solution
Product C's sales were the most volatile, with significant fluctuations noted in the data.
Correct Answer: C — Product C
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Q. Which property is NOT typical of elastomers?
A.
High elasticity
B.
Low tensile strength
C.
Good resilience
D.
Brittleness
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Solution
Brittleness is not a typical property of elastomers; they are known for their high elasticity and resilience.
Correct Answer: D — Brittleness
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Q. Which property of a material describes its ability to return to its original shape after deformation? (2023)
A.
Plasticity
B.
Elasticity
C.
Ductility
D.
Brittleness
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Solution
Elasticity is the property that allows a material to return to its original shape after deformation.
Correct Answer: B — Elasticity
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Q. Which property of fluids is defined as the resistance to flow?
A.
Density
B.
Viscosity
C.
Pressure
D.
Surface Tension
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Solution
Viscosity is the property of fluids that describes their resistance to flow.
Correct Answer: B — Viscosity
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Q. Which property of polymers is primarily affected by their molecular weight?
A.
Color
B.
Density
C.
Melting point
D.
Solubility
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Solution
The melting point of polymers is primarily affected by their molecular weight; higher molecular weight generally leads to higher melting points.
Correct Answer: C — Melting point
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