Read the different components from I to IV in the list given below and tell the correct order of the components with reference to their arrangement from outer side to inner side in a woody dicot stem. |
III,IV,II,I
I,II,IV,III
IV,I,III,II
IV,III,I,II
Annual rings are not prominent in trees of temperate regions.
Annual rings are a combination of spring wood and autumn wood produced in a year.
Differential activity of cambium causes light and dark bands of tissue - early and late wood respectively.
Activity of cambium depends upon variation in climate.
Sapwood is involved in conduction of water and minerals from root to leafs.
Sapwood is the innermost secondary xylem and is lighter in colour
Due to deposition of tannins, resins, oils etc., heart wood is dark in colour.
Heart wood does not conduct water but gives mechanical support.
The transverse section of a plant shows following anatomical features : a. Large number of scattered vascular bundles surrounded by bundle sheath. b. Large conspicuous parenchymatous ground tissue. c. Vascular bundles conjoint and closed. d. Phloem parenchyma absent. Identify the category of plant and its part : |
Monocotyledonous root
Dicotyledonous stem
Dicotyledonous root
Monocotyledonous stem
Given below is the diagram of a stomatal apparatus. In which of the following all the four parts labelled as A, B, C and D are correctly identified – A B C D |
Match List I with List II
Select the correct answer from the options given below. (a) (b) (c) (d) |
(i) (ii) (iii) (iv)
(iii) (ii) (iv) (i)
(ii) (iv) (i) (iii)
(iv) (iii) (ii) (i)
Match List-I with List-II.
Choose the correct answer from the options given below. (a) (b) (c) (d) |
(ii) (iii) (iv) (i)
(iv) (ii) (i) (iii)
(iv) (i) (iii) (ii)
(iii) (i) (iv) (ii)
Cells of medullary rays that form part of a cambial ring - Interfascicular cambium
Loose parenchyma cells rupturing the epidermis and forming a lens-shaped opening in the bark - Spongy parenchyma
Large colorless empty cells in the epidermis of grass leaves - Subsidiary cells
In dicot leaves, vascular bundles are surrounded tissue by large thick-walled cells - Conjunctive tissue
Match each item in Column I with one in Column II and select the correct match from the codes given:
Codes:
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Match each item in Column I with one in Column II and selct the correct match from the codes given:
Codes:
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Which of the following is/are a correct match?
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