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WorksheetsTransportation in Plants
Total questions: 20
Worksheet time: 10mins
Substances transported in plants are
water
minerals
food
all of the above
Diffusion is a major method of transport of materials in
tall plants
unicellular plants
multicellular plants
both (b) and (c)
Which of the following statements is not true for diffusion?
Molecules move from region of high concentration to region of low concentration
Molecules move from region of low concentration to region of high concentration
Semi permeable membrane is required
Happens for solids, liquids and gases
Xylem fibres help in
conduction of water
conduction of minerals
mechanical support
storage of food
Which of the following take part in conduction of water in the xylem?
Fibres
Vessels
Both a and b
None of the above
Which of the phloem cells help in storage of food?
Sieve tubes
Companion cells
Phloem parenchyma
Phloem fibres
Absorption of water in plants take place by
osmosis
diffusion
Both a and b
None of the above
Ascent of sap in plants takes place through
Cortex
Epidermis
Xylem
Phloem
Root hairs help in absorption of water by
increasing the surface area
decreasing the surface area
holding the plant in the soil
none of the above
Osmosis can happen
through a permeable membrane
through a semi-permeable membrane
no membrane required
through all kinds of membranes
Transpiration is defined as:
the rise of water up to the stem of a plant.
the elimination of water with dissolved water products.
the loss of water as water vapour from the aerial parts of a plant.
the loss of water as water vapour from the roots as well as the leaves of the plant.
Which one of the following favours the fastest transpiration rate?
A cool, humid, windy day
A hot, humid, windy day
A hot, humid, still day
A hot, dry, windy day
Movement of molecules against a concentration gradient is called
Diffusion
Osmosis
Active transport
All of the above
Nitrogen, Phosphorus and Potassium are examples of
macronutrients
micronutrients
trace elements
all of the above
Deficiency of magnesium leads to
slow growth
yellowing of leaves
curling of leaves
yellowing of leaves
The ‘girdling experiment’ shows that
water is transported by xylem
food is transported by phloem
transport is unidirectional
transport is bi directional
Mineral ions are transported by
diffusion
osmosis
active transport
none of the above
Transpiration helps in
transport of water and minerals
cooling the plant
both (a) and (b)
none of the above
Swelling of raisins when kept in water is an example of
diffusion
transpiration
evaporation
osmosis
Trace elements are nutrients that are
required in large amounts
required in small amounts
required sometimes
never required
