2018 Grade 8 Intermediate-Level Science Test Questions 11-20 Question Preview (ID: 59900)

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Which set of terms describes natural fertilization and development in humans before birth?

a) external fertilization, external development

b) external fertilization, internal development

c) internal fertilization, external development

d) internal fertilization, internal development

A plant growing toward a light source is an example of an organism

a) attracting a mate

b) destroying infectious germs

c) responding to external stimuli

d) obtaining moisture from the air

A cactus plant, a snake, and a hawk can be members of the same

a) community

b) kingdom

c) population

d) species

Which substance in green plants needs to absorb sunlight during photosynthesis?

a) chlorophyll

b) cytoplasm

c) oxygen

d) water

In 1865, a pond was surrounded by open fi elds. Today, the same area is swampy and surrounded by a forest. Which process is responsible for this change?

a) metamorphosis

b) conservation

c) ecological succession

d) crustal plate movement

How much total energy is contained in a single serving of this cereal with a 1/2 cup of fat-free milk?

a) 10 Calories

b) 40 Calories

c) 190 Calories

d) 230 Calories

One nutrient that is obtained only when milk is added to the cereal is

a) niacin

b) cholesterol

c) sodium

d) phosphorus

The fur on an arctic polar bear appears white all year. The color of the fur is an example of

a) an adaptation helping an organism to survive

b) an organism exchanging materials with its environment

c) an organism responding to internal stimuli

d) metabolism regulating an organism’s activities

Urban growth and uncontrolled waste disposal by humans most likely results in

a) conservation of fossil fuels

b) environmental degradation

c) improved soil composition

d) a balanced ecosystem

Cell division occurs as part of which process?

a) Energy in food is released.

b) A cut on a person’s finger heals.

c) A disinfectant destroys microbes.

d) The body eliminates wastes.

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