When we peel the skin of a potato tuber, we remove
1. Periderm
2. Epidermis
3. Cuticle
4. Sapwood
A vessel less piece of stem possessing prominent sieve tubes would belong to
1. Pines
2. Eucalyptus
3. Grass
4. Trachodendron
Fibres are likely to be absent in
1. Secondary phloem
2. Secondary Xylem
3. Primary phloem
4. Leaves
In which of the following pairs of parts of a flowering plant is epidermis absent?
1. Root tip and shoot tip
2. Shoot bud and floral bud
3. Ovule and seed
4. Petiole and pedicel
Phellogen and Phellem respectively denote
1. Cork and cork cambium
2. Cork cambium and cork
3. Secondary cortex and cork
4. Cork and secondary cortex
A conjoint and open vascular bundle will be observed in the transverse section of
1. Monocot root
2. Monocot stem
3. Dicot root
4. Dicot stem
Epiblema of roots is equivalent to
1. Pericycle
2. Endodermis
3. Epidermis
4. Stele
Cells of this tissue are living and show angular wall thickening. They also provide mechanical support. The tissue is
1. Xylem
2. Sclerenchyma
3. Collenchyma
4. Epidermis
Match the following and choose the correct option from below
A |
Cuticle |
i. |
Guard cells |
B |
Bulliform cells |
ii. |
Single layer |
C |
Stomata |
iii. |
Waxy layer |
D |
Epidermis |
iv. |
Empty colourless cell |
Options:
1. |
A-iii |
B-iv |
C-i |
D-ii |
2. |
A-i |
B-ii |
C-iii |
D-iv |
3. |
A-iii |
B-ii |
C-iv |
D-i |
4. |
A-iii |
B-ii |
C-i |
D-iv |
A plant tissue, when stained, showed the presence of hemicellulose and pectin in the cell walls of its cells. The tissue represents
1. collenchyma
2. sclerenchyma
3. xylem
4. meristem