EASY
Earn 100

What is turgor pressure and wall pressure?

Important Questions on Life Processes

MEDIUM

Assertion (A): Pea seeds swell more on imbibition than wheat seeds.

Reason (R): Proteins have a high imbibing capacity.

MEDIUM

Choose the correct option.

MEDIUM
Select the incorrect statement.
EASY
Comment upon the following :
Plants have to pay the price of photosynthesis in the form of transpiration.
MEDIUM
From active hydathodes, the water comes out by
EASY
Absorption of water by gram is the process of
EASY
Which of the following has more imbibition power
HARD
Which of the following equations is wrong?
EASY
In seed germination, the first phenomenon takes place is
EASY
If wood is kept under water, then it becomes swell due to activity of
EASY
Which of the following demonstrates imbibition
EASY
Dry wooden stakes, if driven into a small crack in a rock and then soaked, can develop enough pressure to split the rock. Such pressure is build up through the phenomenon of
MEDIUM
Percentage of water left in the soil when a plant wilts, is known as:
EASY
Under given suitable conditions, the DPD will be more than OP
EASY
Define hygroscopic and capillary waters? Which is not available to plants and why?
EASY
Dry seeds when placed in water swells due to
EASY
The initial stage of water absorption by root cells is by
HARD
Read the following statements carefully.

(a) Under certain conditions chemically combined water is useful in the phenomenon of night recovery

(b) Term 'Apoplast' was proposed by Munch

(c) Value of imbibition pressure is 100 bars in dry pea seeds
MEDIUM

Represent the union of two sets by Venn diagram for each of the following.

X={x | x is a prime number between 80 and 100}

Y={y | y is an odd number between 90 and 100}