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Transport In Plants
Quiz 1
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Q.1
The movement of molecules from their lower concentration to a higher concentration with the help of energy
Diffusion
Active transport
Osmosis
Brownian movement
Q.2
The region of stem between two nodes is the
lateral bud
shoot system
node
internode
Q.3
How do water enter the roots from the soil?
diffusion
osmosis
transpiration
active transport
Q.4
Which are the vascular tissues in plants that are responsible for transporting substance around the plant?
Both (a) & (d)
Both (b) & (d)
Both (c) & (d)
Both (a) & (c)
Q.5
Which are examples of autotrophs?
Bacteria
Plants
Algae
All Of above
Q.6
The three main functions of roots in a plant are:
To connect to other plants nearby
To anchor the plant in the ground.
To store food when necessary.
Both A & B
Q.7
What is a cuticle?
A waxy layer of a fatty substance called cutin covering the epidermis
A waxy layer of a fatty substance called cutin covering the dermis
Part of Xylem
None of these
Q.8
Plant absorbs water through the _________.
stem
roots
leaves
all of the above
Q.9
This is the definition for which word:The movement of water molecules from a high concentration of water to a low concentration of water across a partially permeable membrane.
Osmosis
Diffusion
Active transport
Transpiration
Q.10
Plant transports food made in the leaves to __________.
roots
stem
flowers
all of the above
Q.11
What happens to the transpiration rate as light intensity increases?
It increases
It stays the same
It decreases
Q.12
Why is the evaporation of water from leaves important?
It cools leaves and helps move water up the plant.
It makes the plant wilt
It helps the plant to respire
Q.13
These are made up of group of specialised cells that conduct water, dissolved salts and food up or down the stem.
phloem
xylem
vascular bundles
vessels
Q.14
_________ are elongated and lignified supporting cells in the xylem.
lignin
fibres
starch
cellulose
Q.15
Two main vascular bundles are the xylem and phloem. Food substances travel in the _____________ and water and salts are mainly conducted in the ______________.
xylem; phloem
phloem; xylem
vessels; sieve tubes
vascular bundles:vessels
Q.16
This is a substance that makes the cell wall very strong and impermeable.
starch
lignin
fibres
cellulose
Q.17
The region of stem from which leaves and buds arise is called
internode
lateral bud
terminal bud
node
Q.18
The shoot system consists of the following except:
upright stem
leaves
buds
roots
Q.19
Which of the following is paired correctly:
xylem:vessels;phloem:sieve tubes
xylem:sieve tubes;phloem:vessels
Q.20
___________ make food by photosynthesis and pass it back to the stem.
stems
roots
leaves
buds
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