MEDIUM
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Which one of the following makes the plant hard and stiff?

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Important Questions on Tissues

MEDIUM
In herbaceous plants ‘guttation’ takes place by
EASY
The xylem in plants are responsible for
MEDIUM
_____ is not an example of simple tissues.
MEDIUM
Which of the following plant tip has quiescent centre
EASY
Sclerenchyma in plants is an example of simple permanent tissue that is comprised of two types of cells, sclereids and fibres. Why these cells are functionally important to the plants even after they die? Choose the correct alternative from the options given below.
MEDIUM
Pollen grain of a plant (2n = 28) are cultured to produce callus tissues by tissue culture methods. What would be the chromosome number in the cells of callus?
EASY
Which of the following tissue gives tensile strength against bending and swaying
EASY

Which of the following is not a component of phloem?

EASY

Observe the given diagram and read the following statements.

Question Image

(i) These are cells of collenchyma tissue.

(ii) At maturity these cells lose their nucleus and cytoplasm.

(iii) The cells are living and thick at their corners.

(iv) This tissue gives flexibility to plant parts.

Correct statements are:

MEDIUM
Growth rings are formed by the activity of 
EASY
Grafting is possible among dicot plants but not in monocot plants. This is due to presence of one of the following conditions in dicot plant.
EASY
Parenchyma, collenchyma and sclerenchyma are kinds of simple permanent tissues in plants. Which of the following statement is true for collenchyma?
A. Made up of dead cells
B. Have very little intercellular space
C. Cells are irregularly thickened at the corners
D. Cell wall contains lignin
MEDIUM
Write one function of parenchyma tissue.
MEDIUM
Give one similarity between permanent and meristematic tissue.
MEDIUM
Name the distinctive features of complex plants, that helped in their survival on the Earth
EASY
Complete the analogy given below and choose the correct option
Cutin: Epidermis ; Suberin: ______________
MEDIUM
Why the growth of plants occurs only in certain specific regions?
EASY
Which among the following statements is true?
HARD

(i) Identify the tissues shown in the figure.

(ii) Give the characteristic features of their cells.

(iii) Specify any two parts of the plant, where these tissues are present.

Question Image

MEDIUM

Read the statements given below:

Cells are active with dense cytoplasm and a prominent nucleus.

The above statements refer to which type of tissue in plants?