What do you call that wave-like contraction of the wall of the esophagus which is responsible for pushing down the food to the stomach?

• Peristalsis

• Diffusion

• Cyclosis

• Capillarity

Three liquids A, B, C were studied in a laboratory. Liquid A was found to float over B and C. It was also found that liquid A flows fastest among the three. What can be said about liquid A?

• Densest and most viscous

• Densest and least viscous

• Least dense and most viscous

• Least dense and least viscous

A freshmen class of 40 boys and 80 girls sponsored an acquaintance party. If 3/5 of the boys and 3/4 of the girls attended the party, how many freshmen attended the party?

• 60

• 72

• 84

• 96

Comparing the speed of sound in liquids, gases, and solids, the speed of sound is usually lowest in ____ and highest in ____.

• solids, gases

• gases, liquids

• liquids, solids

• gases, solids

Water has a higher specific heat than iron. What does this mean?

• Water is hotter than iron

• Water heats more rapidly than iron

• Water is more dense than iron

• Water heats more slowly than iron

Who is the author of the Athenian tragedy “Oedipus Rex”

• Socrates

• Sophocles

• Homer

• Aristophanes

Albino corn seedlings may grow several inches tall. However, they will eventually die, primarily because

• direct sunlight will destroy their cells

• they lack adequate root system

• they cannot produce their own food

• they cannot obtain carbon dioxide

Which of the following subatomic particles are located in the nucleus of an atom?

• Protons and electrons

• Protons and neutrons

• Electrons and neutrons

• Protons, electrons and neutrons

Which is a chemical process of getting energy from the food and using it to maintain the structure and function?

• Respiration

• Digestion

• Excretion

• Metabolism

Hiningi ng binata ang kamay ng dalaga.

• pagpapalit-saklaw

• pagpapalit-tawag

• pagbibigay katauhan

• pagmamalabis