Meiosis — Unit test Answers

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3

Which organelles are not found in plant cells?

A
vacuoles
B
mitochondria
C
chloroplasts
D
centrioles
5

In algae and plants, photosynthesis happens in the

A
vacuoles.
B
mitochondria.
C
chloroplasts.
D
chromosomes.
6

The data in the graph are the result of a paramecium being placed in a hypertonic salt solution.Based on the data in the graph, which would most likely happen if the paramecium were placed in distilled water?

Question illustration
A
The contractions would increase.
B
The contractions would decrease.
C
The contractions would cease altogether.
D
The contractions would establish dynamic equilibrium.
8

Which microscope uses a probe to map atoms on the surface of a specimen?

A
transmission electron microscope
B
compound light microscope
C
scanning electron microscope
D
scanning tunneling microscope
9

James wants to create a self-sustaining ecosystem, or vivarium. Which method would most likely result in an ecosystem that is viable for the longest amount of time with no additional care?

A
Put a few plants, water, sand, and a heat lamp inside a clear glass aquarium and seal the top. Place it in a sunny location.
B
Put water, fertilizer, soil, plants and insects in an open, clear glass aquarium. Place it in an area that has some sunlight and some shade.
C
Put rocks, water, and many plants in an open, dark-colored plastic tub. Place it in an area with direct sunlight.
D
Put soil, water, many plants, and a few insects in a sealed, clear plastic aquarium. Place it in an area with indirect sunlight.
10

Which best illustrates the result of the process of meiosis?

A
A pea plant has the same flower color as its parent plants.
B
A daughter looks different from both her mother and her father.
C
A cheetah cub has very similar fur to its mother.
D
A Labrador puppy looks exactly like its father.
12

Two cells in the same organism differ only in the number of chloroplasts they contain. The first cell has multiple chloroplasts, and the second cell has very few. What would most likely characterize these cells?

A
There would be no difference between the functioning of the cells because the chloroplasts are not essential cell structures.
B
The second cell would become larger because it would have fewer chloroplasts regulating its size and shape.
C
The second cell would shrink because it would not be able to store water and maintain cell shape.
D
The second cell would not be able to produce as much food because it could not capture very much sunlight.

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