Question 1: Cuticle
Reason: Primary function of plant is cuticle is to act a barrier to prevent evaporation of water from the leave surface(epidermal surface) and also preventing water from entering the tissues.
Question 2: Answer is D
Reason: Ferns belongs to a group of plants that do not produce seeds, but reproduce by means of spores, produced in a capsule called sori
Question 3: Answer is Mosses and ferns
Reason: the earliest plant form spore producing plants which include the bryophytes(mosses) and ferns.
B, cleavage is your answer
This can be solved with Punnett squares. The affected male has the

genotype, and the female is homozygous recessive. This means that she does not carry this, and therefore, will have the genotype XᵇXᵇ
While doing this Punnett Square, keep in mind that in order to have the male offspring affected, their genotype
has to be

Since there are no

, the probability of their male offspring inheriting this disease is 0%
The answer would be B) Nucleic acids I hope this helped ^^