Which of the following statements are correct? (i) Companion cells are present in phloem. (ii) Xylem transports water and minerals from roots to other parts of the plant. (iii) Vessels of xylem are present in all plants. (iv) Both xylem parenchyma and phloem parenchyma have nucleus.
Identify the tissue system from among the following.
(a) Parenchyma
(b) Xylem
(c) Epidermis
(d) Phloem
Question 22 The dead element present in the phloem is (a) companion cells (b) phloem fibres (c) phloem parenchyma (d) sieve tubes
Fibres are likely to be absent in
(a) secondary phloem
(b) secondary xylem
(c) primary phloem
(d) leaves