Science 9 QUALIFIER ROUND

What is the basis for classifying volcanoes as active or inactive?

• size of the base

• shape of the cone

• age of the volcano

• records of eruption

If a person receives an A allele and a B allele from the parents simultaneously, their blood type is AB. What do you call A and B?

• Codominance

• Codominant

• Dominant

• Heterozygous

When humans sweat, we lose ions necessary for bodily functions; to replenish them, we consume more ions, often in the form of an electrolyte solution. In a sports drink, which compound is  NOT considered an electrolytes?

• glucose

• potassium

• sodium

• magnesium

Which of the following substances exist in solid, liquid, or gas at room temperature and at normal atmospheric pressure?

• mothballs

• salt

• water

• all of the above

During summer, many tourists visit Baguio because of the cold weather. What do you think makes Baguio cold?

• latitude

• altitude

• topography

• distance from the ocean

What does the notation TT mean to geneticists?

• two dominant alleles

• two recessive alleles

• at least one dominant allele

• one dominant and one recessive allelle

Salvador must remove the red paint in the paintbrush so that he could still use it

again, next time. What organic compound should he use to remove the paint in the paintbrush?

• acetic acid

• lubricating oil

• kerosene

• formaldehyde

What is the side of the mountain that receives less amount of precipitation?

• windward

• leeward

• peak

• base

What is the acceleration at the highest point?

• 0 m/s²

• 0 m/s

• 9.8 m/s²

• - 9.8 m/s²

Which of the following composed the two linear motions of a projectile?

• Horizontal and Circular Motion

• Vertical and Circular Motion

• Horizontal and Vertical Motion

• Vertical and Curvilinear Motion