Question No:1

Tissue present in Annual ring is

(A) Secondary xylem and Secondary Phloem
(B) Primary xylem and Primary phloem
(C) Secondary xylem only
(D) Primary phloem and Secondary xylem

Question No:2

Periderm includes

(A) Cork cambium only
(B) Cork cambium and Cork
(C) Cork and Secondary cortex
(D) Cork cambium, Cork and Secondary cortex

Question No:3

Which type of vascular bundles is found in Monocot root?

(A) Collateral, conjoint and closed
(B) Radial with exarch xylem
(C) Bicollateral, conjoint and closed
(D) Radial with endarch xylem

Question No:4

Quiscent center is zone of

(A) least mitotic activity in the root apex
(B) least mitotic activity in the shoot apex
(C) Maximum mitotic activity in the root apex
(D) maximum mitotic activity in the shoot apex

Question No:5

In a woody dicotyledonous tree, which of the following parts will mainly consist of primary tissues?

(A) Stem and Root
(B) All parts
(C) Shoot tips and Root tips
(D) Flowers, Fruits and Leaves

Question No:6

Duramen or heart wood is

(A) region of Pericycle
(B) Another name of cambium
(C) Inner region of secondary xylem
(D) Outer region of secondary xylem

Question No:7

Lenticels and Hydathodes are small pores with which of the following common attributes?

(A) They allow exchange of gases
(B) Their opening and closing is not regulated
(C) They always remain closed
(D) They are found on the same organ of plant

Question No:8

Sunken stomata are found in

(A) Nerium
(B) Hydrilla
(C) Mango
(D) Helianthus

Question No:9

This is a component of Periderm

(A) Cork
(B) Vascular Cambium
(C) Secondary phloem
(D) All

Question No:10

Mesophyll differentiation into Palisade and Spongy parenchyma is adaptation to

(A) Light intensity
(B) reduced transpiration
(C) low water availability
(D) atmospheric humidity

Question No:11

Bulli form cells that help in the rolling of lamina in drought are present in epidermis of

(A) monocotyledonous grass leaf
(B) dicot leaf
(C) both (a) and (b)
(D) None

Question No:12

What differentiates leaf of dicot from monocot?

(A) Stomata only on upper side
(B) Parallel venation
(C) Differentiated palisade and spongy parenchyma
(D) Stomata on both upper and lower sides

Question No:13

The term ‘bark’ refers to

(A) phellem, phelloderm and cork cambium
(B) periderm and secondary xylem
(C) cork cambium and cork
(D) phellogen, phellem, phelloderm and secondary phloem

Question No:14

The quiescent centre in root meristem serves as a

(A) site for storage of food, which is utilised during maturation
(B) reservoir of growth hormones
(C) reserve for replenishment of damaged cells of the meristem
(D) region for absorption of water

Question No:15

In the sieve elements, which one of the following is the most likely function of P-proteins?

(A) Deposition of callose on sieve plates
(B) Providing energy for active translocation
(C) Autolytic enzymes
(D) Sealing off mechanism on wounding

Question No:16

Vascular tissues in flowering plants develop from

(A) Phellogen
(B) Plerome
(C) Periblem
(D) Dermatogen

Question No:17

Which of the following tissues consist of living cells?

(A) Vessels
(B) Tracheids
(C) Companion cell
(D) Sclerenchyma

Question No:18

The study of organisms in relation to their environment is the definition of

(A) Morphology
(B) Ecology
(C) Embryology
(D) Biome

Question No:19

The term “ecology” was first used by

(A) Reiter
(B) Warming
(C) Tansley
(D) Odum

Question No:20

Who of the following defined ecology as the study of structure and function of nature?

(A) Reiter
(B) E.P.Odum
(C) Haeckel
(D) Warming