The process by which plants produce glucose using light energy is called: MCQ with Answer and Explanation

Question
The process by which plants produce glucose using light energy is called:
A. Respiration
B. Fermentation
C. Chemosynthesis
D. Photosynthesis
Answer: Option D
Solution (By JKSSB Mock Tests)
Photosynthesis is the anabolic process in which plants, algae, and cyanobacteria convert CO₂ and H₂O into glucose and O₂ using light energy, catalyzed by chlorophyll. Respiration breaks down glucose to release energy, fermentation is anaerobic breakdown, chemosynthesis uses chemical energy (in some bacteria).
This question belongs to: Science Biology
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Question #1
Consider statements about scientists: 1. Carolus Linnaeus developed binomial nomenclature. 2. Louis Pasteur developed the rabies vaccine. 3. Gregor Mendel discovered the structure of DNA. Which are correct?
A. 1 and 2 only
B. 1, 2 and 3
C. 2 and 3 only
D. 1 and 3 only
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Correct Answer: Option A

Explanation:
Carolus Linnaeus, a Swedish botanist, formalized the system of binomial nomenclature for naming organisms. Louis Pasteur made immense contributions to microbiology, including the development of the first effective vaccine against rabies. Gregor Mendel is the father of genetics, known for his laws of inheritance; the structure of DNA was discovered by Watson and Crick. Thus, statements 1 and 2 are correct.
This question belongs to: Science Biology
Question #2
Assertion (A): The bacterial cell wall is composed of peptidoglycan.
Reason (R): Peptidoglycan provides structural strength and prevents osmotic lysis.
A. Both A and R are true, but R is not the correct explanation.
B. A true, R false.
C. A false, R true.
D. Both A and R are true, and R is the correct explanation.
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Correct Answer: Option D

Explanation:
Bacterial cell walls contain peptidoglycan (murein), a unique polymer that maintains cell shape and protects against osmotic pressure. The reason correctly explains why peptidoglycan is essential.
This question belongs to: Science Biology
Question #3
The disease caused by the Zika virus is transmitted by:
A. Culex mosquito
B. Aedes mosquito
C. Anopheles mosquito
D. Tsetse fly
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Correct Answer: Option B

Explanation:
Zika virus is primarily transmitted by Aedes aegypti and Aedes albopictus mosquitoes. It can cause microcephaly in fetuses. Anopheles transmits malaria, Culex filariasis/West Nile.
This question belongs to: Science Biology
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