Plant Organs
The energy for photosynthesis to take place in these leaves comes from sunlight.

Plant Organs

This Science quiz is called 'Plant Organs' and it has been written by teachers to help you if you are studying the subject at middle school. Playing educational quizzes is a fabulous way to learn if you are in the 6th, 7th or 8th grade - aged 11 to 14.

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Flowers and leaves are plant organs. The scientific study of plants is known as botany and a person studying plants a botanist. Did you know that no species of plant has a flower that is absolutely black?

See how much you do know about plants in the following Science quiz.

1.
Which two substances are used in photosynthesis?
Carbon dioxide and oxygen
Carbon dioxide and water
Oxygen and glucose
Oxygen and water
Carbon dioxide enters through stomata (small holes) on underside of a leaf
2.
Nitrates provide nitrogen. This is important for what?
Good roots
Green leaves
Purple flowers
Yellow flowers
Nitrates are also used to make proteins for growth
3.
Plants make their own food. This is stored as what?
Fat
Glucose
Protein
Starch
4.
Energy for photosynthesis comes from .......
Glucose
Oxygen
Sunlight
Water
5.
Which organ is used in pollination?
Flower
Leaf
Root
Stem
6.
Photosynthesis does not occur in roots because .......
Root hair cells absorb water
Root hair cells do not have chloroplasts
Roots anchor plants in soil
Roots are used to transport water
7.
Which two substances are produced in photosynthesis?
Carbon dioxide and water
Glucose and carbon dioxide
Oxygen and carbon dioxide
Oxygen and glucose
Oxygen leaves through the stomata
8.
Which organ is used to absorb water?
Leaf
Root hair
Root tip
Stem
96% of a cucumber is water
9.
What color is chlorophyll?
Brown
Green
Red
White
10.
Which organ is used in photosynthesis?
Flower
Leaf
Root hair
Root tip
Photosynthesis means making (synthesis) through light (photo)
Author:  Sue Davison

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