MCQ
The cork is impervious to water due to
- ALignin deposition in the cell wall
- BCompactness of cell
- ✓Suberin deposition in the cell wall
- DAll of the above
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$I.$ The liverworts grow usually in moist, shady habitats such as banks of streams, marshy ground, damp soil, bark of trees and deep in the woods
$II.$ The leafy members of liverwort have tiny leaf-like appendages in two rows on the stem-like structures
Choose the correct option
Complete the given statement with reference to $NCERT$ textbook
Assertion $(A):$
Polymerase chain reaction is used in DNA amplification
Reason $(R):$
The ampicillin resistant gene is used as a selectable marker to check transformation
In the light of the above statements, choose the correct answer from the options given below :