Q. Which of the following is a non-renewable resource?
A.
Wind Energy
B.
Natural Gas
C.
Hydropower
D.
Geothermal Energy
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Solution
Natural gas is a non-renewable resource, as it is formed from fossilized organic materials over millions of years.
Correct Answer: B — Natural Gas
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Q. Which of the following is a non-renewable source of energy? (2020)
A.
Solar
B.
Wind
C.
Coal
D.
Hydro
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Solution
Coal is considered a non-renewable source of energy as it takes millions of years to form.
Correct Answer: C — Coal
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Q. Which of the following is a non-vascular plant? (2019)
A.
Fern
B.
Moss
C.
Pine tree
D.
Flowering plant
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Solution
Mosses are non-vascular plants, meaning they do not have specialized tissues for transporting water and nutrients.
Correct Answer: B — Moss
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Q. Which of the following is a non-volatile storage device?
A.
RAM
B.
Cache
C.
SSD
D.
CPU
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Solution
An SSD (Solid State Drive) is a non-volatile storage device that retains data even when powered off.
Correct Answer: C — SSD
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Q. Which of the following is a notable work of the medieval Persian poet Rumi?
A.
Shahnameh
B.
Masnavi
C.
Khosrow and Shirin
D.
Rubaiyat
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Solution
Rumi's 'Masnavi' is a six-volume poem regarded as one of the greatest works of mystical poetry in Persian literature.
Correct Answer: B — Masnavi
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Q. Which of the following is a noun? (2021)
A.
Quickly
B.
Beautiful
C.
Happiness
D.
Run
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Solution
Happiness is a noun that represents a state of being.
Correct Answer: C — Happiness
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Q. Which of the following is a one-to-one function?
A.
f(x) = x^2
B.
f(x) = 2x + 3
C.
f(x) = sin(x)
D.
f(x) = e^x
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Solution
A function is one-to-one if it never takes the same value twice. f(x) = 2x + 3 and f(x) = e^x are one-to-one.
Correct Answer: B — f(x) = 2x + 3
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Q. Which of the following is a p-type semiconductor? (2020)
A.
Silicon doped with phosphorus
B.
Silicon doped with boron
C.
Germanium doped with arsenic
D.
Gallium nitride
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Solution
Boron is a trivalent element that creates holes in silicon, making it a p-type semiconductor.
Correct Answer: B — Silicon doped with boron
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Q. Which of the following is a perfect square?
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Solution
25 is a perfect square as it is equal to 5 × 5.
Correct Answer: C — 25
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Q. Which of the following is a permanent method of contraception? (2022)
A.
Condoms
B.
IUD
C.
Tubal ligation
D.
Birth control pills
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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 of the following is a polymer of glucose? (2015)
A.
Starch
B.
Glycogen
C.
Cellulose
D.
All of the above
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Solution
Starch, glycogen, and cellulose are all polymers made from glucose.
Correct Answer: D — All of the above
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Q. Which of the following is a polysaccharide?
A.
Glucose
B.
Fructose
C.
Cellulose
D.
Galactose
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Solution
Cellulose is a polysaccharide made up of long chains of glucose units.
Correct Answer: C — Cellulose
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Q. Which of the following is a potential application of biotechnology in agriculture?
A.
Production of biofuels
B.
Development of pest-resistant crops
C.
Creation of synthetic hormones
D.
All of the above
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Solution
Biotechnology has various applications in agriculture, including the development of pest-resistant crops, production of biofuels, and creation of synthetic hormones.
Correct Answer: D — All of the above
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Q. Which of the following is a potential consequence of poor selections, as discussed in the passage?
A.
Increased satisfaction in life.
B.
Enhanced creativity in problem-solving.
C.
Negative outcomes and regret.
D.
Greater efficiency in decision-making.
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Solution
The passage discusses that poor selections can lead to negative outcomes and regret, highlighting the importance of thoughtful decision-making.
Correct Answer: C — Negative outcomes and regret.
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Q. Which of the following is a potential drawback of centralized resource allocation?
A.
Increased flexibility in resource distribution.
B.
Faster decision-making processes.
C.
Reduced responsiveness to local needs.
D.
Greater control over resource usage.
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Solution
A potential drawback of centralized resource allocation is reduced responsiveness to local needs, making option 2 the correct choice.
Correct Answer: C — Reduced responsiveness to local needs.
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Q. Which of the following is a potential risk associated with genetically modified crops? (2021)
A.
Increased biodiversity
B.
Development of resistant pests
C.
Higher nutritional value
D.
Lower production costs
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Solution
One potential risk of genetically modified crops is the development of resistant pests, which can lead to increased agricultural challenges.
Correct Answer: B — Development of resistant pests
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Q. Which of the following is a potential risk associated with the use of GMOs? (2019)
A.
Increased biodiversity
B.
Development of resistant pests
C.
Higher nutritional value
D.
Lower environmental impact
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Solution
A potential risk associated with the use of GMOs is the development of resistant pests, which can lead to increased pesticide use.
Correct Answer: B — Development of resistant pests
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Q. Which of the following is a power exclusive to the Lok Sabha? (2020)
A.
Impeachment of the President
B.
Money bills
C.
Ratification of treaties
D.
Appointment of the Prime Minister
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Solution
Only the Lok Sabha can introduce Money Bills, as per Article 110 of the Constitution.
Correct Answer: B — Money bills
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Q. Which of the following is a power exclusive to the State Legislature? (1950)
A.
To legislate on defense
B.
To legislate on education
C.
To legislate on foreign affairs
D.
To legislate on currency
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Solution
Legislation on education is a power exclusive to the State Legislature, as it falls under the Concurrent List.
Correct Answer: B — To legislate on education
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Q. Which of the following is a practical application of diffraction?
A.
Optical instruments
B.
Radio transmission
C.
Medical imaging
D.
All of the above
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Solution
Diffraction is utilized in various applications including optical instruments, radio transmission, and medical imaging.
Correct Answer: D — All of the above
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Q. Which of the following is a practical application of electromagnetic induction? (2019)
A.
Electric generator
B.
Resistor
C.
Capacitor
D.
Diode
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Solution
Electric generators utilize electromagnetic induction to convert mechanical energy into electrical energy.
Correct Answer: A — Electric generator
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Q. Which of the following is a practical application of total internal reflection?
A.
Lenses in glasses.
B.
Mirrors in telescopes.
C.
Fiber optic communication.
D.
Convex lenses.
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Solution
Fiber optic communication relies on total internal reflection to transmit light signals over long distances with minimal loss.
Correct Answer: C — Fiber optic communication.
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Q. Which of the following is a primary alcohol derived from an alkane?
A.
Methanol
B.
Ethanol
C.
Propan-1-ol
D.
Butanol
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Solution
Propan-1-ol is a primary alcohol derived from propane.
Correct Answer: C — Propan-1-ol
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Q. Which of the following is a primary alcohol?
A.
1-butanol
B.
2-butanol
C.
tert-butanol
D.
cyclohexanol
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Solution
1-butanol has the hydroxyl group attached to a primary carbon atom.
Correct Answer: A — 1-butanol
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Q. Which of the following is a primary alcohol? (2020) 2020
A.
2-Propanol
B.
1-Butanol
C.
Cyclohexanol
D.
2-Pentanol
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Solution
1-Butanol has the hydroxyl group (-OH) attached to a primary carbon, making it a primary alcohol.
Correct Answer: B — 1-Butanol
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Q. Which of the following is a primary alcohol? (2022) 2022
A.
1-butanol
B.
2-butanol
C.
tert-butanol
D.
cyclohexanol
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Solution
1-butanol has the hydroxyl group (-OH) attached to a primary carbon atom, making it a primary alcohol.
Correct Answer: A — 1-butanol
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Q. Which of the following is a primary amine?
A.
CH3NH2
B.
(CH3)2NH
C.
(C2H5)3N
D.
C6H5NH2
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Solution
CH3NH2 is a primary amine as it has one alkyl group attached to the nitrogen atom.
Correct Answer: A — CH3NH2
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Q. Which of the following is a primary amine? (2022) 2022
A.
Ethylamine
B.
Dimethylamine
C.
Trimethylamine
D.
Aniline
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Solution
Ethylamine (C2H5NH2) is a primary amine as it has one alkyl group attached to the nitrogen atom.
Correct Answer: A — Ethylamine
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Q. Which of the following is a primary cell?
A.
Lead-acid battery
B.
Nickel-cadmium battery
C.
Zinc-carbon battery
D.
Lithium-ion battery
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Solution
The zinc-carbon battery is a primary cell, while the others are secondary cells.
Correct Answer: C — Zinc-carbon battery
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Q. Which of the following is a primary cell? (2023) 2023
A.
Lead-acid battery
B.
Nickel-cadmium battery
C.
Zinc-carbon battery
D.
Lithium-ion battery
Show solution
Solution
The zinc-carbon battery is a type of primary cell, which cannot be recharged.
Correct Answer: C — Zinc-carbon battery
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