Transpiration Class 10 ICSE Biology MCQ Questions
Looking for Transpiration Class 10 ICSE Biology Chapter 5 MCQ Questions? If yes, You are the right page. Here we have provided ICSE class 10 biology Chapter 5 multiple choice questions and answers. All MCQ are important.
( I ) Choose the best answer
( 1 ) Transpiration is considered to be an effective process for plants mainly due to the fact that
a ) It facilitates the roots for absorbing water and other minerals by creating suction force and also for providing cooling effect
b ) It renders cooling effect
c ) It diminishes the cooling effect
d ) It enables the plant to stand erect
Answer : a ) It facilitates the roots for absorbing water and other minerals by creating suction force and also for providing cooling effect
( 2 ) How much amount of water is utilised by the plants at the time of photosynthesis and other such activities ?
a ) 1 % b ) 4 %
c ) 2 % d ) 6 %
Answer : c ) 2 %
( 3 ) The process of withdrawal of water from the leaves and other aerial segments of the plants in the form of water vapour is called
a ) Evaporation b ) Transpiration
c ) Respiration d ) Perspiration
Answer : b ) Transpiration
( 4 ) Which paper is extremely useful for detecting moisture ?
a ) Litmus paper b ) Methyl orange paper
c ) Cobalt chloride paper d ) None of the above
Answer : c ) Cobalt chloride paper
( 5 ) The most effectualmethods that are used for the purpose of measuring transpiration are
a )Lysimeter and pan evaporationb ) Pan evaporation and water budget technique
c ) Penman equation and energy budget method d ) Weighing method and potometer method
Answer : d ) Weighing method and potometer method
( 6 ) Which one of the following device is used for the purpose of studying and measuring the rate of transpiration ?
a ) Photosynthometer b ) Potometer
c ) Auxanometer d ) Manometer
Answer : b ) Potometer
( 7 ) Farmer’s potometer and Ganong’s potometer is extremely useful in order to measure
a ) Rate of water intake by a plant b ) Rate of water emitted by a plant
c ) Rate of water unused by a plant d ) All of the above
Answer : a ) Rate of water intake by a plant
( 8 ) Due to the process of transpiration , a suction force is created . This suction force is demonstrated with the help of
a ) Garreau’s potometer b ) Ganong’s potometer
c ) Darwin’s potometer d ) Farmer’s potometer
Answer : c ) Darwin’s potometer
( 9 ) Garreau’s potometer is mainly designed with an aim of demonstrating
a ) Unequal transpirationfrom the two surface of a dorsiventral leaf
b ) Equal transpiration from the two surface of a dorsiventral leaf
c ) Both even and uneven transpiration from the two surface of a dorsiventral leaf
d ) None of the above
Answer : a ) Unequal transpiration from the two surface of a dorsiventral leaf
( 10 ) Which of the following region (s) are involved in the occurrence of transpiration from the aerial components of a plant
a ) Stomatal transpiration b ) Cuticular transpiration
c ) Lenticular transpiration d ) All of the above
Answer : d ) All of the above
( 11 ) The occurrence of minimal pores in the epidermal surface of leaves are known by the term of
a ) Chlorophyll b ) Lenticels
c ) Stomata d ) Cuticles
Answer : c ) Stomata
( 12 ) Which one of the following are widely inhaled by the stomata at the day time for the purpose of photosynthesis ?
a ) O 2 b ) CO 2
c ) N 2 d ) None of the above
Answer : b ) CO 2
( 13 ) The varying number of stomata may extend from
a ) 1,000 – 10,000 per cm 2 b ) 1,000 –12,000 per cm 2
c ) 1,200 – 15, 000 per cm 2 d ) 1,400 – 20, 000 per cm 2
Answer : a ) 1,000 – 10,000 per cm 2
( 14 ) In which of the following plants , the leaves droop at the noon time despite of having sufficient quantity of water in the soil ?
a ) Prayer plant b ) Hydrangea plant
c ) Pilea Plant d ) Balsam plant
Answer : d ) Balsam plant
( 15 ) The adjustment of the size of the plantstoma can help in controlling
a ) Cuticular transpiration b ) Lenticular transpiration
c ) Stomatal transpiration d ) All of the above
Answer : c ) Stomatal transpiration
( 16 ) The occurrence of transpiration with the help of the cuticle of the plants are called
a ) Cuticular transpiration b ) Stomatal transpiration
c ) Lenticular transpiration d ) Evaporation
Answer : a ) Cuticular transpiration
( 17 ) The rate of transpiration lessens , when the thickness of the cuticle becomes
a ) Lesser b ) Greater
c ) Moderate d ) Nullified
Answer : b ) Greater
( 18 ) Which one of the following plants plays an essential role in cutting down transpiration ?
a ) Croton b ) Anthophyta
c ) Spider plant d ) Desert plant
Answer : d ) Desert plant
( 19 ) The emission of water from the plants in the form of vapour with the help of lenticels are known as
a ) Cuticular transpiration b) Lenticular transpiration
c ) Stomatal transpiration d ) Transpiration
Answer : d ) Transpiration
( 20 ) In comparison to stomatal transpiration , the rate of transpiration from lenticels is extremely
a ) Less b ) More
c ) Moderate d ) Void
Answer : a ) Less
( 21 )When compared to cuticular transpiration, the rate of transpiration from the lenticels is quite
a ) Minimal b ) Average
c ) More d ) Null
Answer : c ) More
( 22 ) Which factor(s) are responsible for affecting transpiration ?
a ) Internal factors b ) External factors
c ) Both internal and external factors d ) None of the above
Answer : c ) Both internal and external factors
( 23 ) During the day time , the amount of transpiration
a ) Decreases b ) Increases
c ) Halts d ) Commences
Answer : b ) Increases
( 24 ) The rate of evaporation enhances , with increase in
a ) Humidity b ) Atmospheric pressure
c ) Temperature d ) Carbon dioxide
Answer : c ) Temperature
( 25 ) The velocity of wind plays an important role in increasing
a ) Respiration b ) Perspiration
c ) Photosynthesis d ) Transpiration
Answer : d ) Transpiration
( 26 ) There is a drastic reduction in the rate of transpiration, if the outside air is
a ) Humid b ) Arid
c ) Cold d ) Cosy
Answer : a ) Humid
( 27 ) The decline in atmospheric pressure contributes in increasing the rate of
a ) Evaporation b ) Transpiration
c ) Cellular respiration d ) None of the above
Answer : b ) Transpiration
( 28 )There is an indirect connection with the decline in transpiration and the closure of
a ) Guard cells b ) Lenticels
c )Stomata d ) Chlorophyll
Answer : c ) Stomata
( 29 ) With an evolution of various adaptations in plants , the rate of transpiration has declined
a ) Excessively b ) Moderately
b ) Minutely d ) All of the above
Answer : a ) Excessively
( 30 ) There are several usefulness of transpiration for the plants . What are it’s major usefulness?
a ) Warming and spreading water
b ) Cooling and creation of suction force
c ) Spreading water and maintaining temperature
d ) Cooling , creation of suction force and distribution of water
Answer : d ) Cooling , creation of suction force and distribution of water
( 31) Transpiration should not be considered as an
a ) Uptake process b ) Excretory process
c ) Internal process d ) External process
Answer : b ) Excretory process
( 32 ) Which one of the following is affected by transpiration ?
a ) Temperature b ) Humidity
c ) Velocity of wind d ) Climate
Answer : d ) Climate
( 33 ) Guttation and bleeding falls under the category of
a ) Exudation b ) Secretion
c ) Transudation d ) Absorption
Answer : a ) Exudation
( 34 ) The exhalation of considerable amount of water from the leaf apex or edge of the leaves is known by the term of
a ) Bleeding b ) Guttation
c ) Excretion d ) Condensation
Answer : b ) Guttation
( 35 ) Which of the following plants constitutes the most appropriate example of guttation ?
a ) Grapes and apricots b ) Currants and peppers
c ) Banana , nasturtium and strawberry d ) Blackberries and raspberries
Answer : c ) Banana , nasturtium and strawberry
( 36 ) The leakage of plant sap from the ripped or injured portion of a plant is known as
a ) Bleeding b ) Production
c ) Emission d )None of the above
Answer : a ) Bleeding
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