One Word Substitution

6. Study of relations of organisms to one another and to their surroundings.

(A) Physiology

(B) Psychology

(C) Ecology

(D) Biology

7. Code of diplomatic etiquette and precedence.

(A) Protocol

(B) Hierarchy

(C) Diplomacy

(D) Statesmanship

8. To bear a hand.

(A) join

(B) assist

(C) interfere

(D) rejoice

9. A man who hates marriage.

(A) bigot

(B) widower

(C) polyandrist

(D) misogamist

10. A place for keeping bees.

(A) apiary

(B) cage

(C) aviary

(D) nest