PS Unit 5 Socrative Review Questions

Which of these represents the freezing point of water in correct SI units?

• -273^oC

• 0^oF

• 32^oF

• 0^oC

It is important to protect air quality because -

• wind currents change when the air is polluted

• storms worsen as air pollution decreases

• acid rain is caused by air pollution

• energy produced by the Sun decreases when air is polluted

Which of these is the best description of a typical organism in the Plant kingdom?

• unicellular

• Lacks a nucleus

• Lacks a cell wall

• Makes its own food

A tapeworm lives in human intestines, absorbing the nutrients that would normally be absorbed by the person. This eventually causes the person health problems. The relationship between the tapeworm and the human is -

• predator/prey

• consumer/producer

• herbivore/omnivore

• parasite/host

Mendel's early work with pea plants demonstrated a significant genetic discovery. The crossing of homozygous tall pea plants with homozygous short pea plants always resulted in tall plants and demonstrated that tallness in pea plants is a trait that is -

• dominant

• mutated

• blended

• recessive

The picture shows a pond ecosystem. What would most likely happen if all the lily plants were removed from this community?

• The animals would have fewer places to hide.

• There would be more oxygen in the air.

• There would be more kinds of animals in the pond.

• The pond water currents would be slower.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

In this plant cell, which cellular structure is responsible for storing food, water, and wastes?

• Vacuole

• Cytoplasm

• Cell Membrane

• Nucleus

Tags

NGSS.MS-LS1-2

Which of the following is produced as a result of photosynthesis?

• heat

• carbon dioxide

• oxygen

• water

Tags

NGSS.MS-LS1-6

Which of these substances is an element?

• Chlorine

• Sugar

• Steel

• Plastic

Which of the following substances is a compound?

• chlorine

• gold

• sugar

• oxygen