Identify the incorrect statement:

1.  The presence of vessels is a characteristic of angiosperms

2.  In roots the primary xylem is exarch

3.  Gymnosperms lack albuminous cells and sieve cells

4.  Bast fibers are generally absent in primary phloem

The given transverse section is of:

1. Monocot stem

2. Dicot stem

3. Monocot root

4. Dicot root

The vascular bundle shown in the diagram is most likely to be seen in:

1. Monocot stem

2. Dicot stem

3. Monocot root

4. Dicot root

The main function of the plant tissue shown below is:

1. Storage of nutrients
2. Providing buoyancy to submerged plants
3. Mechanical support to growing parts of a plant
4. Increase in the length of the plant

Consider the following statements:

In a monocot stem-

Which of the above statements are true?

1. I and II only

2. I and III only

3. II and III only

4. I, II and III

Consider the following statements about dicot leaf:

Which of the above statements are true?

Consider the following statements:

With respect to secondary growth in dicot root-

Which of the above statements are true?

1. I and II only

2. I and III only

3. II and III only

4. I, II and III

Companion cells are closely associated with

(1) sieve elements

(2) vessel elements

(3) trichomes

(4) guard cells

The desert grasses, often curls their leaf to minimise water loss due to presence of 

1. Spines

2. Palisade parenchyma

3. Bundle sheath cells

4. Bulliform cells

Match the Column I and II.

        A  B  C  D
(a)   1   2  3   4
(b)   3   1  2   4
(c)   4   1  2   3
(d)   4   3  2   1