First slide

Eukaryotic Cells

Question

Assertion: Mitochondria and chloroplasts have similarity with bacteria.
Reason: Like bacteria, mitochondria and chloroplasts have 70S ribosomes and circular DNA molecules.

Easy

A

Assertion is correct and reason is incorrect.
B

Assertion is incorrect and reason is correct.
C

Assertion and reason are correct and reason correctly explains the assertion.
D

Assertion and reason are correct and reason does not explain the assertion.

Solution

According to endosymbiotic theory, the primitive eukaryotic cell engulfed the non-photosynthetic aerobic bacterium which behaves as mitochondrion and photosynthetic cyanobacterial cell that behaves as chloroplast. They show similarity with bacteria in having circular DNA, 70S ribosomes.

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