A Transverse section of stem is stained first with safranin and then with fast green following the usual schedule of double staining for the preparation of a permanent slide. What would be the colour of the stained xylem and phloem?
1. | Red and green | 2. | Green and red |
3. | Orange and yellow | 4. | Purple and orange |
14. Fibres are likely to be absent in
(a) secondary phloem
(b) secondary xylem
(c) primary phloem
(d) leaves
A vesselless piece of stem possessing prominent sieve tubes would belong to
1. Pinus
2. Eucalyptus
3. Grass
4. Trochodendron