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Armt Review 3
Test Description: Armt 7th Grade Science review
Instructions: Answer all questions to get your test result.
1) A rabbit uses the energy it obtains from plants to produce more cells. Which statement best describes this process?
A
All living things have a digestive system.
B
All living things obtain energy from plants.
C
All living things are consumers.
D
All living things use energy from food to grow.
2) Which base in an RNA molecule pairs with guanine in a DNA molecule?
A
thymine
B
uracil
C
adenine
D
cytosine
3) Which correctly identifies the order in which nutrients from food are broken down and digested?
A
mouth, esophagus, small intestine, stomach, large intestine
B
mouth, esophagus, stomach, small intestine, large intestine
C
mouth, stomach, esophagus, large intestine, small intestine
D
esophagus, mouth, stomach, small intestine, large intestine
4) Which statement does NOT describe chromosomes?
A
Chromosomes are found in the nucleus of a cell.
B
Chromosomes control cell processes.
C
Chromosomes are found only in reproductive cells
D
Chromosomes are made up of DNA.
5) Which statement best describes characteristics of the kingdom Fungi?
A
Fungi are multicellular and produce their own food.
B
Fungi have cells that lack organelles.
C
Fungi include both single-celled and multicellular organisms.
D
Fungi are single-celled and do not have cell walls.
6) Which statement below describes only the abiotic factors in a marine ecosystem?
A
The concentration of salts in the water of an estuary changes with the ocean tides.
B
Freezing and thawing on a mountaintop weather the rocks and produce a slope of jagged rocks.
C
A population of hagfish burrow inot the rotting flesh of a dead gray whale on the ocean floor.
D
Populations of phytoplankton off the shore of a delta explode in response to nitrogen fertilizers.
7) Which statement below describes a difference between DNA and RNA?
A
RNA uses the base uracil and DNA uses the base thymine
B
RNA is double-stranded and DNA is single-stranded
C
RNA is found only in haploid cells, and DNA is found only in diploid cells
D
RNA has three different bases, and DNA has four different bases.
8) Which trait is entirely determined by chromosomes?
A
hair length
B
body mass
C
eye color
D
blood pressure
9) A student is writing a report about multicellular organisms. Which statement should the student include in the report?
A
Fungi, Plantae, and Animalia are kingdoms that include unicellular organisms.
B
Eubacteria and Fnngi are kingdoms that contain multicellular organisms.
C
All members of kingdom Plantae and some members of Fungi are multicellular organisms.
D
Kingdoms Protista, Animalia, and Eubacteria all include multicellular organisms.
10) The island of Madagascar off the coast of Africa holds about 150,000 species found nowhere else. Which best explains this fact?
A
geographic isolation
B
high rates of mutation
C
continual species interaction
D
species variation due toclimate
*select an answer for all questions
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