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Practice each question, then open the answer or worked solution.
A transverse section of the stem is stained first with safranin and then with fast green, following the usual schedule of double staining for the
preparation of a permanent slide. What would be the colour of the stained
xylem and phloem?
a. Red and green
b. Green and red
c. Orange and yellow
d. Purple and orange
Option (a) is the answer.
Match the following and choose the correct option from below
| Column I Column II
A. Meristem B. Parenchyma C. Collenchyma D. Sclerenchyma E. Epidermal tissue |
Column II
i. Photosynthesis, storage ii. mechanical support iii. Actively dividing cells iv. Stomata v. sclereids |
Options:
a. A-i, B-iii, C-v, D-ii, E-iv
b. A-iii, B-i, C-ii, D-v, E-iv
c. A-ii, B-iv, C-v, D-i, E-iii
d. A-v, B-iv, C-iii, D-ii, E-i
Option (b) is the answer.
Match the following and choose the correct option from below
| Column I
A. Cuticle B. Bulli form cells C. Stomata D. Epidermis |
Column II
i. guard cells ii. single layer iii. waxy layer iv. empty colourless cell |
Options:
a. A-iii, B-iv, C-i, D-ii
b. A-i, B-ii, C-iii, D-iv
c. A-iii, B-ii, C-iv, D-i
d. A-iii, B-ii, C-i, D-iv
Option (a) is the answer.
Identify the simple tissue system from the following
a. Parenchyma
b. Xylem
c. Epidermis
d. Phloem
Option (a) is the answer.
Cells of this tissue are living and show angular wall thickening. They
also provide mechanical support. The tissue is
a. Xylem
b. Sclerenchyma
c. Collenchyma
d. Epidermis
Option (c) is the answer.
Epiblema of roots is equivalent to
a. Pericycle
b. Endodermis
c. Epidermis
d. Stele
Option (c) is the answer.
A conjoint and open vascular bundle will be observed in the transverse
section of
a. Monocot root
b. Monocot stem
c. Dicot root
d. Dicot stem
Option (d) is the answer.
Interfascicular cambium and cork cambium is formed due to
a. Cell division
b. Cell differentiation
c. Cell dedifferentiation
d. Redifferentiation
Option (c) is the answer.
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
Option (b) is the answer.
In which of the following pairs of parts of a flowering plant is the epidermis
absent?
a. Root tip and shoot tip
b. Shoot bud and floral bud
c. Ovule and seed
d. Petiole and pedicelSolution:
Option (a) is the answer.
Solution coming soon.