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Test: Organisms and cells - Year 7 MCQ


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10 Questions MCQ Test - Test: Organisms and cells

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Test: Organisms and cells - Question 1

Which part of the cell passes on information to new cells?

Detailed Solution for Test: Organisms and cells - Question 1
The nucleus contains DNA (deoxyribonucleicacid)
Test: Organisms and cells - Question 2

Which part of a plant cell absorbs energy from the Sun?

Detailed Solution for Test: Organisms and cells - Question 2
Chloroplasts contain chlorophyll
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Test: Organisms and cells - Question 3

Which gas in the air is absorbed by plants?

Detailed Solution for Test: Organisms and cells - Question 3
This gas enters plants through tiny pores on the underside of their leaves. The pores are created by a pair of guard cells
Test: Organisms and cells - Question 4
Which of the following does NOT contain a nucleus?
Detailed Solution for Test: Organisms and cells - Question 4
They are red because they contain a protein called haemoglobin which carries oxygen round the body
Test: Organisms and cells - Question 5
Which of the following is involved in reproduction?
Detailed Solution for Test: Organisms and cells - Question 5
These have a 'tail' that allows them to swim towards an ovum (egg)
Test: Organisms and cells - Question 6

Which of the following characteristics of living organisms is correctly described by the ability to detect and respond to changes in the environment?

Detailed Solution for Test: Organisms and cells - Question 6

Sensitivity refers to the ability of living organisms to detect and respond to changes in their internal or external environment. This is different from movement, respiration, and excretion, which are also vital characteristics but involve different processes.

Test: Organisms and cells - Question 7
Which of the following receives, carries and passes on electrical impulses?
Detailed Solution for Test: Organisms and cells - Question 7
Research has discovered that we have almost as many neuron cells in our brain as there are stars in our galaxy!
Test: Organisms and cells - Question 8

Why are viruses not considered living organisms according to the MRS GREN criteria?

Detailed Solution for Test: Organisms and cells - Question 8

Viruses do not meet several criteria of the MRS GREN framework. They do not grow, respire, or move independently. They also do not excrete waste or perform other metabolic activities that characterize living organisms.

Test: Organisms and cells - Question 9
Which of the following cells are involved in nutrition?
Detailed Solution for Test: Organisms and cells - Question 9
These absorb water containing the nutrients a plant needs from the soil
Test: Organisms and cells - Question 10

Which of the following processes involves the removal of waste products from an organism?

Detailed Solution for Test: Organisms and cells - Question 10

Excretion is the process by which living organisms remove waste products of metabolism and substances that are in excess. Growth, respiration, and nutrition involve other vital processes, such as increasing in size, releasing energy, and intake of materials, respectively.

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