LABORATORY REVIEW
TRANSPIRATION
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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grow his plants in the dark
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grow his plants in a glass house with moderated temperature
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expose his plants to moist air
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use adequate amount of fertilizer on his farm
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Detailed explanation-1: -Water loss through transpiration can be reduced by closing the stomata in the leaves using a substance called ABA.
Detailed explanation-2: -The use of mulches, especially when the crop is small, is another way of substantially reducing soil evaporation. Anti-transpirants, such as stomata-closing, film-forming or reflecting material, reduce the water losses from the crop and hence the transpiration rate.
Detailed explanation-3: -Waxy cuticles, trichomes (leaf hairs), sunken stomata, and other leaf adaptations also help reduce transpiration rates by keeping the leaf surface cool or protecting it from air currents that increase evaporation.
Detailed explanation-4: -To reduce water loss the leaf is coated in a waxy cuticle to stop the water vapour escaping through the epidermis. Leaves usually have fewer stomata on their top surface to reduce this water loss.