Companion Cell

Q. Which of the following statements is/are true?
I. Protoxylem and metaxylem is found in secondary xylem
II. In exarch condition, the protoxylem is towards the periphery
III. Tracheids are the chief water transporting elements in gymnosperms
IV. Companion cell is devoid of the nucleus at maturity

1. I and IV only
2. II and III only
3. III and IV only
4. II and IV only

Q. Closed vascular bundles lack

1. ground tissue
2. pith
3. conjunctive tissue
4. cambium

Q. Companion cells are associated with

1. xylem
2. cambium
3. sieve tubes
4. collenchyma

Q.

Companion cells are made up of

1. Collenchyma

2. Parenchyma

3. Sclerenchyma

4. Any of these

Q.

Companion cells are made up of

1. Collenchyma

2. Sclerenchyma

3. Parenchyma

4. Any of these