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