Petal : Flower :: Engine :: Car.
An artist makes paintings; a senator makes laws.
FRAGRANCE SBHSBODFG
SBHSBOG
IMPOSING NQPTJHOJ
Sugar tastes sweet, and lemon tastes sour.
Sugar is known for its sweetness.
Lemon is known for its sour flavor due to its citric acid content.
Words in the first pair are synonyms of each other.
Similarly,Mirage is synonym of Illusion.
Candid and indirect refer to opposing traits. Honest and untruthful refer to opposing traits. The answer is not choice a because frank means the same thing as candid.
The study of cells is known as cytology
Similarly
insects' study is known as Entomology.
Argument may provide very weak support for its conclusion, establishing no more than minimal plausibility.