7th Grade SOL ReviewTexas Test Questions

1. Grasses are considered —

Second

ar...

Primary

...

Decompo..

.

Produce

rs

0% 0%0%0%

A. Secondary consumersB. Primary consumersC. DecomposersD. Producers

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2. Which of the following processes helps the body maintain chemical balance?

0% 0%0%0%

A. Tears washing away dust from the eyesB. Rib bones protecting internal organsC. Hair growing faster in winter monthsD. Cells using sugar in the blood

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3. The single-celled organisms shown below live in water. What is the main function of the structures identified by the arrows?

Absorb

i..

Removi.

.

Helping

...

Gett

ing food

0% 0%0%0%

A. Absorbing waterB. Removing wastesC. Helping with motionD. Getting food

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4. Before the quarry was dug, the land contained more vegetation. What impact has this change most likely had on the local ecosystem?

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A. Larger predator populationsB. Lower number of producersC. A greater number of herbivoresD. A smaller amount of available carbon

dioxide

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5. At the quarry, soil was removed to get to the rock layers underneath. Which part of the environment was probably least affected by this soil being removed?

Air

Gro

undwate

r

Runoff w

ater

Plants

0% 0%0%0%

A. AirB. GroundwaterC. Runoff waterD. Plants

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6. A woman running in a marathon requires a constant supply of oxygen to her muscles. Which cells carry oxygen to muscle tissue?

Artery

cells

Red blood ce

lls

Nerve c

ells

Lung cell

s

0% 0%0%0%

A. Artery cellsB. Red blood cellsC. Nerve cellsD. Lung cells

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7. Evidence suggests that dinosaurs became extinct when a large meteorite struck in the area of the Yucatán Peninsula. Scientists hypothesize that this enormous impact killed all the dinosaurs, even those on the other side of Earth, because the —

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A. Debris thrown into the atmosphere blocked sunlight

B. Heat flash from the impact immediately vaporized all life forms

C. Impact blasted the atmosphere surrounding Earth into space

D. Intense heat completely boiled away the oceans

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8. For rabbits, having long hair is an advantage over having short hair in environments with —

High leve

ls of...

A larg

e numb..

Low tempera

...

Few pred

ators

0% 0%0%0%

A. High levels of rainB. A large number of competitorsC. Low temperaturesD. Few predators

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9. Which of the following is least affected by seasonal environmental conditions?

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The patt

ern ..

The dro

ppin...

The spro

uti..

The migrat

i..

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A. The pattern in a tiger’s furB. The dropping of tree leavesC. The sprouting of acornsD. The migration of gray whales

10. Which molecule in the equation represents food energy made by plants?

Carbon d

ioxide

Wate

r

Gluco

se

oxygen

0% 0%0%0%

A. Carbon dioxideB. WaterC. GlucoseD. oxygen

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11. The picture below shows four varieties of the same species of grass that grow in a prairie ecosystem. Which variety has the best chance of surviving a long period of dry weather?

Variety

1

Variety

2

Variety

3

Variety

4

0% 0%0%0%

A. Variety 1B. Variety 2C. Variety 3D. Variety 4

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12. Glossy leaves are smooth and shiny. What percent of offspring from the cross shown below will have glossy leaves?

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A. 0%B. 25%C. 50%D. 100%

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13. During primary ecological succession, the initial formation of soil helps establish —

Gras

ses

Mush

rooms

Shrubs

Trees

0% 0%0%0%

A. GrassesB. MushroomsC. ShrubsD. Trees

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