Q11Written answer
How many shoot apical meristems 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
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Worked solution
Option (c) is the answer
NCERT Exemplar · Class 11 · Biology
Chapter 6: Anatomy of Flowering Plants
Practice each question, then open the answer or worked solution.
MULTIPLE CHOICE QUESTIONS
18 questionsQ12Written answer
A piece of wood having no vessels (trachea) must belong to
a. Teak
b. Mango
c. Pine
d. Palm
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Worked solution
Option (c) is the answer.
Q13Written answer
A plant tissue, when stained, showed the presence of hemicellulose and
pectin in the cell wall of its cells. The tissue represents
a. Collenchyma
b. Sclerenchyma
c. Xylem
d. Meristem
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Worked solution
Option (a) is the answer.
Q14Written answer
In conifers, fibres are likely to be absent in
a. Secondary phloem
b. Secondary xylem
c. Primary phloem
d. Leaves
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Worked solution
Option (b) is the answer.
Q15Written answer
When we peel the skin of a potato tuber, we remove
a. Periderm
b. Epidermis
c. Cuticle
d. Sapwood
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Worked solution
Option (a) is the answer.
Q16Written answer
A vessel-less piece of stem possessing prominent sieve tubes would belong to
a. Pinus
b. Eucalyptus
c. Grass
d. Trochodendron
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Worked solution
Option (d) is the answer.
Q17Written answer
Which one of the following cell types always divides by anticlinal cell
division?
a. fusiform initial cells
b, root cap
c. protoderm
d. phellogen
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Worked solution
Option (c) is the answer.
Q18Written 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. Mayor may not get crushed
d. It gets surrounded by primary phloem
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Worked solution
Option (a) is the answer.