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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