Which of the following factors is the main problem facing xerophytic plants?
Competition for sunlight
Conservation of excess water
inadequate roots for water absorption
Lack of adequate water
Correct answer is D
No explanation has been provided for this answer.
A moss plant can withstand drought by means of its
spores
rhizoids
antheridia
achegonia
Correct answer is A
No explanation has been provided for this answer.
In which of the following organic compounds is the hydrogen-oxygen ratio equal to 2:1?
Proteins
Carbohydrates
Lipids
Vitamins
Correct answer is B
No explanation has been provided for this answer.
shade the eggs from the direct rays of the sun
protect the eggs from predators
protect the eggs from being washed away by rain drops
camouflage the eggs
Correct answer is D
No explanation has been provided for this answer.
Transportation of water in the xylem tissue involves the following except
root pressure
capillary action
transpiration pull
translocation
Correct answer is D
No explanation has been provided for this answer.