NCERT Class 11-Biology: Chapter –6 Anatomy of Flowering Plants Part 2
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Question 9:
Phellogen and Phellem respectively denote
a. Cork and cork cambium
b. Cork cambium and cork
c. Secondary cortex and cork
d. Cork and secondary cortex
Answer: (b)
Question 10:
In which of the following pairs of parts of a flowering plant is epidermis absent?
a. Root tip and shoot tip
b. Shoot bud and floral bud
c. Ovule and seed
d. Petiole and pedicel
Answer: (a)
Question 11:
How many shoot apical meritsems are likely to be present in a twig of a plant possessing, 4 branches and 26 leaves?
a. 26
b. 1
c. 5
d. 30
e. 4
Answer: (c)
Question 12:
A piece of wood having no vessels (trachea) must be belong to
a. Teak
b. Mango
c. Pine
d. Palm
Answer: (c)
Question 13:
A plant tissue, when stained, showed the presence of hemicellulose and pectin in cell wall of its cells. The tissue represents
a. Collenchyma
b. Sclerenchyma
c. Xylem
d. Meristem
Answer: (a)
Question 14:
Fibres are likely to be absent in
a. Secondary phloem
b. Secondary Xylem
c. Primary phloem
d. Leaves
Answer: (d)
Question 15:
When we peel the skin of a potato tuber, we remove
a. Periderm
b. Epidermis
c. Cuticle
d. Sapwood
Answer: (a)
Question 16:
A vesselless piece of stem possessing prominent sieve tubes would belong to
a. Pinus
b. Eucalyptus
c. Grass
d. Trochodendron
Answer: (d)
Question 17:
Which one of the following cell types always divides by anticlinal cell division?
a. Fusiform initial cells
b, Root cap
c. Protoderm
d. Phellogen
Answer: (d)