Which one of the following favours the fastest transpiration rate? $.........$
- AA cool, humid, windy day,
- BA hot, humid, windy day,
- CA hot, humid, still day,
- ✓A hot, dry, windy day.
Answer: D.
View full solution →Question types
Transportation in Plants question types
42 questions across 7 question groups — pick any mix to generate a BIOLOGY paper with step-by-step answer keys.
42
Questions
7
Question groups
5
Question types
01
MCQ
8 Q→02Fill in the blanks.
6 Q→03[1 Mark Question Answer]
4 Q→04[2 Mark Question Answer]
8 Q→05[3 marks Question Answer]
4 Q→06[5 Mark Question Answer]
6 Q→07TRUE / FALSE
6 Q→Sample Questions
Transportation in Plants questions
One sample from each question group in this chapter. Select any group above to see the full set with answer keys.
Transpiration is defined as $:.........$
- Athe rise of water up to the stem of a plant.
- Bthe elimination of water with dissolved water products.
- ✓the loss of water as water vapour from the aerial parts of a plant.
- Dthe loss of water as water vapour from the roots as well as the leaves of the plant.
Answer: C.
View full solution →The root$-$hairs are suited for absorbing water from the soil because$:.........$
- AThey have a large surface area
- BThey have a semi$-$permeable membrane
- CThey contain a solution of higher concentration than the surrounding water.
- ✓All of the above
Answer: D.
View full solution →Raisins swell when put in $:.........$
- ✓Rain water
- BTap water
- CMustard oil
- DSaturated sugar solution
Answer: A.
View full solution →Force responsible for the ascent of sap is $:.........$
- ACapillary force
- BRoot pressure
- CTranspirational pull
- ✓All the three
Answer: D.
View full solution →The leaves have more $.........$ on their lower surface.
- ✓Stomata
- BAscent
- CHumid
- DConducting
Answer: A.
View full solution →Transpiration is reduced if the air is $.........$
- ALeaves
- BAscent
- ✓Humid
- DConducting
Answer: C.
View full solution →Most water gets evaporated from the plant from its $.........$
- AStomata
- ✓Leaves
- CAscent
- DHumid
Answer: B.
View full solution →Transpiration is more when the wind is blowing $.........$
- AAscent
- ✓Fast
- CStomata
- DConducting
Answer: B.
View full solution →The upward movement of sap that contains water and minerals is called $.........$ of sap.
- AConducting
- ✓Ascent
- CHumid
- DLeaves
Answer: B.
View full solution →Under what conditions do plant transpire most slowly?
Under what conditions do plant transpire more quickly?
Name the plant tissue which helps in carrying the food to different parts of a plant.
What do xylem vessels carry?
Given alongside is an enlarged diagram of a part of the root. Draw arrows on the diagram to show the movement of water passing through different parts.
Define the term Osmosis
Define the term semi$-$permeable membrane.
View full solution →How are roots useful to the plants? Give any two points.
An experiment was set up as shown in the figure below. After some time, the Water level in test tube $A$ fell down but not in test tube $B$
Why was there a fall in the water level of test tube $A$ and not in that of test$-$tube $B$ ?
View full solution →Why was there a fall in the water level of test tube $A$ and not in that of test$-$tube $B$ ?
Name any three minerals whose deficiency causes diseases in plants. Give the symptoms of each deficiency.
Name the factors which affect the rate of transpiration? State their role in each case.
How does transpiration help the roots absorb water and minerals from the soil?
Draw a magnified view of the root$-$hair, and describe, how it helps in the absorption of water from the soil.
View full solution →Briefly explain, how transpiration helps in upward conduction of water in plants?
Why is the structure of the root hair is quite suitable for absorbing water from the soil ?
The set up shown alongside was kept in sunlight for an hour. It was observed that drops of water appeared on the inside of the polyethylene bag.
Name the process which is being demonstrated.
Why was the pot and its soil left uncovered by the polythene bag?
Why was the pot left in the sunlight?
Suppose the pot in this experiment was placed inside a dark room instead of placing it in sunlight for some time. What difference will be noticed?
Name the process which is being demonstrated.
Why was the pot and its soil left uncovered by the polythene bag?
Why was the pot left in the sunlight?
Suppose the pot in this experiment was placed inside a dark room instead of placing it in sunlight for some time. What difference will be noticed?
List out the differences between xylem and phloem.
Describe an experiment to show that the plant loses water through its leaves.
Transpiration cools the plant when it is hot outside.
Transpiration is the loss of water from the roots of the plant.
A semi$-$permeable membrane allows larger molecules to pass through, but prevents the smaller ones.
View full solution →Water absorbed by the roots reaches the leaves and is used in producing food for the entire plant.
Water enters the root$-$hair by osmosis.
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