The botanical name of the rice plant is: MCQ with Answer and Explanation

The botanical name of the rice plant is:
A. Triticum aestivum
B. Hordeum vulgare
C. Zea mays
D. Oryza sativa
Answer: Option D
Solution (By JKSSB Mock Tests)
Oryza sativa is the scientific name of rice, the staple food for a large part of the world. Triticum aestivum is wheat, Zea mays is maize, Hordeum vulgare is barley. All are cereals of the Poaceae family.

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Practice More Biology Questions

Question #1
The technique used to amplify DNA in a test tube is:
A. PCR
B. Sequencing
C. Gel electrophoresis
D. Southern blotting

Correct Answer: Option A


Explanation:
Polymerase chain reaction (PCR) uses Taq polymerase, primers, and thermal cycling to make millions of copies of a specific DNA sequence. Southern blotting detects DNA, electrophoresis separates, sequencing reads bases.

This question belongs to: Science Biology
Question #2
The type of fossil formed when minerals replace organic material, preserving the original structure, is called:
A. Cast fossil
B. Trace fossil
C. Mold fossil
D. Petrified fossil

Correct Answer: Option D


Explanation:
Petrified fossils (permineralization) form when dissolved minerals infiltrate the porous tissues of dead organisms and harden, turning the remains into stone while preserving internal structure. Mold and cast fossils are impressions, trace fossils are tracks or burrows. Petrified wood is a common example.

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Question #3
The process that converts light energy into chemical energy in plants is:
A. Fermentation
B. Translocation
C. Respiration
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Correct Answer: Option D


Explanation:
Photosynthesis captures light energy via chlorophyll and converts CO₂ and H₂O into glucose and O₂. Respiration releases energy from glucose, fermentation is anaerobic, translocation is movement of solutes.

This question belongs to: Science Biology