Question No:1

Ground tissue includes:

[A] All tissues except epidermis and vascular bundles
[B] Epidermis and cortex
[C] All tissues internal to endodermis
[D] All tissues external to endodermis



Question No:2

In land plants, the guard cells differ from other epidermal cells in having:

[A] Mitochondria
[B] Endoplasmic reticulum
[C] Chloroplasts
[D] Cytoskeleton



Question No:3

The cork cambium, cork and secondary cortex are collectively called:

[A] Phellogen
[B] Periderm
[C] Phellem
[D] Phelloderm



Question No:4

As compared to a dicot root, a monocot root has:

[A] Many xylem bundles
[B] Inconspicuous annual rings
[C] Relatively thicker periderm
[D] More abundant secondary xylem



Question No:5

The common bottle cork is a product of:

[A] Dermatogen
[B] Phellogen
[C] Xylem
[D] Vascular Cambium



Question No:6

Closed vascular bundles lack:

[A] Ground tissue
[B] Conjunctive tissue
[C] Cambium
[D] Pith



Question No:7

Water containing cavities in vascular bundles are found in:

[A] Sunflower
[B] Maize
[C] Cycas
[D] Pinus



Question No:8

Gymnosperms are also called soft wood spermatophytes because they lack:

[A] Cambium
[B] Phloem fibres
[C] Thick – walled tracheids
[D] Xylem fibres



Question No:9

Inter fascicular cambium develops from the cells of:

[A] Medullary rays
[B] Xylem parenchyma
[C] Endodermis
[D] Pericycle



Question No:10

Lenticels are involved in:

[A] Transpiration
[B] Gaseous exchange
[C] Food transport
[D] Photosynthesis



Question No:11

Age of a tree can be estimated by:

[A] Its height and girth
[B] Biomass
[C] Number of annual rings
[D] Diameter of its heartwood



Question No:12

You are given a fairly old piece of dicot stem and a dicot root. Which of the following anatomical structures will you use to distinguish between the two?

[A] Secondary xylem
[B] Secondary phloem
[C] Protoxylem
[D] Cortical cells



Question No:13

Tracheids differ from other tracheary element in:

[A] Having casparian strips
[B] Being imperforate
[C] Lacking nucleus
[D] Being lignified



Question No:14

Vascular bundles in monocotyledons are considered closed because:

[A] A bundle sheath surrounds each bundles
[B] Cambium is absent
[C] There are no vessels with perforations
[D] Xylem is surrounded all around by phloem



Question No:15

A major characteristic of the monocot root is the presence of:

[A] Open vascular bundles
[B] Scattered vascular bundles
[C] Vasculature without cambium
[D] Xylem along the radius



Question No:16

Read the different components from (a) to(d) 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:

(a) Secondary cortex
(b) Wood
(c) Secondary cortex
(d) Phellem
The correct order is:

[A] ( a ), (b), (d), (c)
[B] (d), (a), (c), ( b )
[C] (d), ( c ), (a), (b)
[D] (c), ( d ), (b), (a)