Anatomy of Dicotyledonous and Monocotyledonous Plants

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NEET
IMPORTANT

Important Questions on Anatomy of Dicotyledonous and Monocotyledonous Plants

EASY
IMPORTANT

A flower represents a complex array of functionally specialised structures that differ substantially from vegetative plant body in form and cell types. Select the statement that is not true with regard to floral meristems.

MEDIUM
IMPORTANT

Match column I with II and select the correct option from the given codes.

  I   II
(a) Bulliform cells (i) Regulate opening and cells closing of stomata
(b) Guard cells (ii) Aerating pores in the bark of plant
(c) Lenticels (iii) Rolling in and out of leaves
(d) Subsidiary cells (iv) Accessory cells

EASY
IMPORTANT

Study the following statements regarding the anatomy of isobilateral leaf.
(i) Stomata are equally distributed on both the surfaces.
(ii) Certain adaxial epidermal cells are modified into bulliform cells in grasses.
(iii) The vascular bundles are radial.
(iv) Phloem is adaxially placed.
Which of the above statements are correct?

MEDIUM
IMPORTANT

The given figure shows T.S. of Helianthus leaf with various parts labelled as A, B, C, D, E and F. Identify the parts and select the correct option.
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EASY
IMPORTANT

In a dorsiventral leaf, location of palisade tissue and phloem is respectively on the_________ surfaces.

MEDIUM
IMPORTANT

Refer to the given figure which represents a section of vascular bundle as seen in T.S. of a monocot stem and select the option that correctly labels A, B, C and D.
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