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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 obtain energy from plants.
B
All living things are consumers.
C
All living things have a digestive system.
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
cytosine
D
adenine
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, stomach, esophagus, large intestine, small intestine
C
esophagus, mouth, stomach, small intestine, large intestine
D
mouth, esophagus, stomach, small intestine, large intestine
4) Which statement does NOT describe chromosomes?
A
Chromosomes are found in the nucleus of a cell.
B
Chromosomes are found only in reproductive cells
C
Chromosomes are made up of DNA.
D
Chromosomes control cell processes.
5) Which statement best describes characteristics of the kingdom Fungi?
A
Fungi are multicellular and produce their own food.
B
Fungi include both single-celled and multicellular organisms.
C
Fungi are single-celled and do not have cell walls.
D
Fungi have cells that lack organelles.
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
The concentration of salts in the water of an estuary changes with the ocean tides.
C
Populations of phytoplankton off the shore of a delta explode in response to nitrogen fertilizers.
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 has three different bases, and DNA has four different bases.
B
RNA is double-stranded and DNA is single-stranded
C
RNA uses the base uracil and DNA uses the base thymine
D
RNA is found only in haploid cells, and DNA is found only in diploid cells
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
Kingdoms Protista, Animalia, and Eubacteria all include multicellular organisms.
C
Eubacteria and Fnngi are kingdoms that contain multicellular organisms.
D
Fungi, Plantae, and Animalia are kingdoms that include unicellular 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
continual species interaction
D
high rates of mutation
*select an answer for all questions
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