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Question-1
The outer layer of the root contains two impermeable substances known as:
(A)
Epidermis and cuticle
(B)
Lignin and suberin
(C)
Tunica and corpus
(D)
All of these
Question-2
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-3
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
Question-4
Type of protein that enters into the root hair cells:
(A)
Phloem protein
(B)
Glycoproteins
(C)
Lipoprotein
(D)
Transporter protein
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
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-7
Write the mechanism causing the rise of water in xylem vessels.
(A)
Diffusion
(B)
Transpiration
(C)
Capillarity
(D)
Transformation
Question-8
Xylem and phloem tissues usually run quite close to each other, forming a group of cells called:
(A)
Epidermis
(B)
Hypodermis
(C)
Pericycle
(D)
Vascular bundle
Question-9
The innermost layer of the cortex is known as:
(A)
Epidermis
(B)
Hypodermis
(C)
Endodermis
(D)
Vascular bundle
Question-10
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
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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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