15
MCQ (Single Correct Answer)
When we peel the skin of a potato tuber, we remove
A
periderm
B
epidermis
C
cuticle
D
sapwood
16
MCQ (Single Correct Answer)
A vesselless piece of stem possessing prominent sieve tubes would belong to
A
Pinus
B
Eucalyptus
C
Grass
D
Trochodendron
17
MCQ (Single Correct Answer)
Which one of the following cell types always divide by anticlinal cell division?
A
Fusiform initial cells
B
Root cap
C
Protoderm
D
Phellogen
18
MCQ (Single Correct Answer)
What is the fate of primary xylem in a dicot root showing extensive secondary growth?
A
It is retained in the centre of the axis
B
It gets crushed
C
May or may not get crushed
D
It gets surrounded by primary phloem
19
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?
Explanation
The food gets stored in specialised parenchymatous cells present either in roots and stems or in their modifications in the form of a polysaccharide called starch.