Question No:1

Both vessels and companion cells are absent in

[A] angiosperms
[B] pteridophyta
[C] gymnosperms
[D] both (b) and (c)



Question No:2

The only plant cells without nuclei among the following are

[A] cambium cells
[B] cells of pericycle
[C] xylem parenchyma
[D] sieve tubes



Question No:3

Vessels differ from tracheids

[A] in being derived from single cell
[B] in having vertical rows of cells with cross walls dissolved
[C] in being alive
[D] in helping in the conduction of water



Question No:4

Companion cells are usually seen associated with

[A] fibres
[B] vessels
[C] tracheids
[D] sieve tubes



Question No:5

Sieve tubes are better-suited for translocation because they

[A] possess broader lumen and perforated cross walls
[B] are broader than long
[C] possess bordered pits
[D] possess no end walls



Question No:6

Lignified cell wall is the characteristic feature of

[A] phloem cells
[B] epidermal cells
[C] cambial cells
[D] xylem cells



Question No:7

The chief function of sieve tube is

[A] to translocate the organic materials manufactured in the leaves
[B] to conduct minerals
[C] to transport water from root to leaves
[D] to help the plant in forming wood



Question No:8

Function of storage is performed by

[A] parenchyma
[B] sclerenchyma
[C] phloem
[D] all



Question No:9

Which is present in the vascular bundles of gymnosperms?

[A] Tracheids
[B] Vessels
[C] Companion cells
[D] All



Question No:10

How many types of tissue systems are present in plant depending on their structure and function?

[A] 1
[B] 2
[C] 3
[D] 4



Question No:11

Tissue system include

[A] epidermal tissue system
[B] ground tissue system or fundamental tissue system
[C] vascular tissue system
[D] all



Question No:12

Epidermal tissue system is made up of

[A] epidermal cells
[B] stomata
[C] epidermal appendages
[D] all



Question No:13

Which of the following is epidermal appendage?

[A] Trichome
[B] Guard cell
[C] Sclereid
[D] Subsidiary cell



Question No:14

Select T/F (True/False).
(a) Epidermis is usually single-layered.
(b) Epidermal cells are parenchymatous cell with abundant cytoplasm.
(c) Vessel members of xylem are interconnected through perforation in their common walls.
(d) Sclerenchyma provides mechanical support to organs.

[A] TTTT
[B] TFFT
[C] TFTT
[D] FFTT



Question No:15

The epidermis is generally covered with a waxy thick layer called the ______ which prevents the loss of water,

[A] suberin
[B] tunicin
[C] cuticle
[D] chitin