EASY
Earn 100

Name the part of the root that increases the surface area for the absorption of water and minerals from soil.

50% studentsanswered this correctly

Important Questions on Absorption by Roots

HARD

What is the function of root hair?
Question Image

 

MEDIUM

The diagram A given below shows a root hair growing through the soil particles. Diagram B is the root hair of an aquatic plant.    

Question Image

 Name two substances which enter the root hair through part labelled 3

EASY
A botanist _____ in 1937, worked out that a four-month-old rye plant had an aggregate root length of about 600km.
HARD
Mention two important features of part (a) that help it to absorb water.
Question Image
HARD
Differentiate between turgor pressure and wall pressure
HARD
Why do roots become flaccid when fertilisers are added to moist soil.
 
HARD
Give two important features of part 'a' that help in the function of root hair?
Question Image
EASY
Water and salt travel upwards mainly in the xylem and food substances travel up and down in the _____.
MEDIUM
Comment upon the following statements :
There is no need to provide nitrogenous fertilizers to the leguminous crop.
EASY
The cell wall of root hair is made up of two layers. The outer layer is composed of
HARD
Name the parts a, b, c, and d?
Question Image
MEDIUM
Give schematic arrow diagram giving parts of plant showing movement of water from soil till xylem of the plant root cortex, root hair, soil, xylem, endodermis.
EASY
State three ways in which roots are suited for absorbing water.
HARD
What is the function of part 'd' in a plant?
Question Image
EASY
The function of the root system is:
EASY

The diagram A given below shows a root hair growing through the soil particles. The diagram B is the root hair of an aquatic plant.    

Question Image

Account for the different shapes of root hairs in the two diagrams.

EASY

Complete the analogy:

Chloroplast: Photosynthesis::Root hair: _____.

EASY
The function of the root system is:
MEDIUM
Which of the following is NOT a characteristic that directly aids roots in absorbing water from the soil?
EASY

Given below is the diagram of a bean root : 
Question Image

What term is given to the part marked X?