Cutin is protective, hydrophobic, waxy covering produced by epidermal cells of leaves, young shoots and other aerial parts. It minimises the water lost through transpiration (with the help of stomata) and also reduces pathogen entry. Lignin hardens the cell wall ...
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Himanshu basu
Asked: In: Class 9 Science
The flexibility in plants is due to Collenchyma. It also provides mechanical support to plants.
Gulshan Gulati
Asked: In: Class 9 Science
Given, s = ct₂ Here, c = constant of proportionally Acceleration, a = d₂s/dt₂ = d₂/dt₂ (ct₂) = 2c = constant So, the object is moving with a uniform acceleration.
Gopichand
Asked: In: Class 9 Science
a = dv/dt The increase in speed = (30 -12) = 18 m/s. Then, A = 18/15 = 1.2 metre per second square
Gopichand
Asked: In: Class 9 Science
In constant speed, acceleration does not change. So, it covers equal distances in equal time intervals.