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Plant Diversity I Quiz Answers PDF - 3

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Biology Quiz Online: Plant Diversity I MCQs PDF Download - 3

MCQ: From how many years megaphylls started appearing in the fossil record?

A) 370 million
B) 100 million
C) 1 million
D) 10 million

MCQ: What is the rate of elongation of DNA in humans?

A) 1 per second
B) 10 per second
C) 50 per second
D) 100 per second

MCQ: Which of the following term describes drying out of plants?

A) dehydration
B) flaccid
C) turgid
D) desiccation

MCQ: The rearrangement of exons due to intron crossing over is called

A) exon shuffling
B) recombination
C) exon combination
D) exon mix

MCQ: Which of the following makes the walls of the spores hard and resistant to the environment?

A) placenta cells
B) carrier cells
C) Sporopollenin
D) sporocytes

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