Phellogen and Phellem respectively denote
Cork and cork cambium
Cork cambium and cork
Secondary cortex and cork
Cork and secondary cortex
In which of the following pairs of parts of a flowering plant is epidermis
absent?
Root tip and shoot tip
Shoot bud and floral bud
Ovule and seed
Petiole and pedicel
How many shoot apical meritsems are likely to be present in a twig of a plant possessing, 4 branches and 26 leaves
26
1
5
30
30
A piece of wood having no vessels (trachea) must be belong to
Teak
Mango
Pine
Palm
C.
Pine
A plant tissue, when stained, showed the presence of hemicellulose and pectin in cell wall of its cells. The tissue represents
Collenchyma
Sclerenchyma
Xylem
Meristem
What is the fate of primary xylem in a dicot root showing extensive secondary growth?
It is retained in the centre of the axis
Its gets crushed
May or may not get crushed
It gets surrounded by primary phloem
A vessel less piece of stem possessing prominent sieve tubes would belong to
Pinus
Eucalyptus
Grass
Trochodendron
Product of photosynthesis is transported from the leaves to various parts of the plants and stored in some cell before being utilised. What are the cells/ tissues that store them?
Protoxylem is the first-formed xylem. If the protoxylem lies next to phloem what kind of arrangement of xylem would you call it?