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WorksheetsGrade 9- Long Quiz
Total questions: 20
Worksheet time: 9mins
The trapping of heat by gases in the earth’s atmosphere is called (a) .
A (a) is normally acidic, because carbon dioxide is normally present.
About (a) of the radiant energy is absorbed by the hydrosphere and lithosphere and converted to thermal energy.
A (a) is a process of food making done by plants and other autotrophic organisms.
It is a basic concepts in the classification of organism.
(a)
(a) is a community of living organisms in conjunction with the nonliving components of their environment, interacting as a system.
(a) serve as transporting vessels of manufactured food and water
It occurs in the thylakoid membrane and converts light energy to chemical energy.
(a)
(a) are environmental conditions that keep a population from increasing in size and help balance ecosystems.
Occurs when the last member of that species dies.
(a)
They also serve as exit point for the oxygen produced during photosynthesis.
(a)
One of the country’s environmental problems is the rapid rate at which trees are cut down.
(a)
It occurs in the mitochondria of the cells
(a)
Respiration breaks down glucose into carbon dioxide, water and energy (ATP) in the presence of (a) .
Pollutants can enter the air as gases, liquids, or solids.
(a)
A farmer is experiencing a problem in growing his crops. Most of the leaves of the crops are turning yellow. Which of the following will likely result from the yellowing of the leaves of the crops?
It will increase the production of food.
It will decrease the production of food.
The production of food will remain the same.
None of the above.
Abby wants to know if leaves are capable of making food during nighttime. Which of the following experimental design should Abby do to get an accurate answer to her question?
Put one potted plant in a very dark place over night and test for the presence of starch.
Cover the plant with paper bag overnight and test for the presence of starch.
Put one potted plant under the sun and the other in a shaded area for two hours and test for the presence of starch.
Cover one leaf of a potted plant with carbon paper for two hours and test for the presence of starch.
Which of the following materials are cycled out by the chloroplast and mitochondrion?
Carbon dioxide, water, oxygen, and ATP
Carbon dioxide, water, sugar and oxygen
Sugar, water, oxygen, and ATP
Sugar, water, sunlight, and oxygen
When cells breakdown a sugar molecule completely to produce chemical energy (ATP), the cells need the following materials_________.
Sugar and oxygen
Sugar and water
Sugar only
Sugar and carbon dioxide
A vegetable farmer wants to increase his harvest. Which of the following conditions should the farmer consider?
The kind of soil only
The amount of water only
The location of the plots only
All of the above
