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Question-1
Suberin is impermeable to water, and it forms a band all around the cells called:
(A)
Endodermis
(B)
Epidermis
(C)
Casparian strip
(D)
Symplast
Question-2
A protein found in large amounts in the sap-conducting sieve elements of phloem tissue in plants.
(A)
Phloem protein
(B)
Glycoproteins
(C)
Lipoprotein
(D)
All of these
Question-3
Many plants have a symbiotic relationship with fungi. These grow in close association with roots to form which of the following?
(A)
Bacteria
(B)
Virus
(C)
Mycorrhiza
(D)
All of these
Question-4
Write the diameter of a typical xylem vessel.
(A)
100 µm
(B)
120 µm
(C)
900 µm
(D)
112 µm
Question-5
Write examples of two leguminous plants having symbiotic bacteria in their roots which provide them with fixed nitrogen.
(A)
Carnivorous plants
(B)
Pea and beans
(C)
Fungi
(D)
All of these
Question-6
Which of the plant tissues transport water, inorganic ions and few small organic molecules from the roots upwards?
(A)
Phloem
(B)
Xylem
(C)
Bundle tissue
(D)
Parenchyma cells
Question-7
Phloem tissue transports substances made in leaves, to all other part of the plant. The transportation of these substances is known as:
(A)
Translocation
(B)
Transpiration
(C)
Transmission
(D)
Transformation
Question-8
Stomata are most commonly seen in which part of the leaf?
(A)
Upper side
(B)
Middle side
(C)
Both side of the leaf
(D)
Lower side
Question-9
The innermost layer of the cortex is known as:
(A)
Epidermis
(B)
Hypodermis
(C)
Endodermis
(D)
Vascular bundle
Question-10
The type of activity by which the net movement of molecules from a region of high concentration to a region of low concentration:
(A)
Diffusion
(B)
Transpiration
(C)
Transfusion
(D)
Transformation
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Cambridge Advanced Grade 12
IGCSE
Practice in Related Chapters
Transport in Plants
Regulations and Control
DNA and Protein Synthesis
The Molecules of Life
Photosynthesis and Plant Nutrition
Enzymes
Genetics
Cell
Cell Division
Ecology
Animal Nutrition
Reproduction in Animals
Gas Exchange
Evolution
Transport in Mammals
Respiration
Heterotrophic Nutrition
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