Primary meristem constitutes

1. apical meristem

2. intercalary meristem

4. lateral meristem

4. Both 1 and 2

Which of the following meristem is present at the tips of shoot and root

1. intercalary meristem

2. apical meristem

3. lateral meristem

4. All  of the above

Which of the following true for apical meristem

1. responsible for primary growth

2. forms primary permanent tissue

3.  primary meristem

4. All of the above

In Dicots, secondary xylem and phloem tissues are formed because of

1. open vascular bundle

2. closed vascular bundle

3. Both 1. and 2.

4. semi closed vascular bundle

In dicot stem the cells of cambium present between primary xylem and primary phloem is the ___________.

The cambium is generally more active on the _________ side than the _________ side.

In dicot stem, at some places the cambium forms a narrow band of parenchyma which passes through the secondary xylem and secondary phloem in radial direction these are called _________.

Secondary growth is because of

1. vascular cambium

2. cork cambium

3. lateral meristem

4. All of the above

The cells which are formed from vascular cambium towards the centre are____________and towards the periphery are _________________

(1)secondary xylem, secondary phloem

(2)bast, wood

(3)wood, bast

(4)Both A and C

The secondary xylem is produced more because

(1)cambium is more active towards the inner side

(2)cambium is more active towards the outer side

(3)xylem is more important than phloem

(4)All of the above