Q: In great apes, what process lasts 8-9 months and usually results in the birth of a single offspring? Choices: - mating - hibernation - reproduction - gestation A:
gestation

(Question)
Q: When current flows in just one direction, what is it called? Choices: - mono-current - reactant current - alternating current - direct current A:
(Answer)
direct current

Ques: Q: What is it that surrounds cells and serve to keep the insides separated from the outsides? Choices: - inner membranes - abundant membranes - similar membranes - biological membranes A:
Ans: biological membranes

(Q).
Q: What kind of waves are electromagnetic waves? Choices: - amplitude - curved - inverse - transverse A:
(A).
transverse

Ques:Q: The structure of mitochondrion plays an important role in what? Choices: - cell division - sexual reproduction - magnetism - aerobic respiration A:

Ans:aerobic respiration

Ques: Q: What is the lowest layer of the atmosphere called? Choices: - mesosphere - lithosphere - asthenosphere - troposphere A:
Ans:
troposphere