BIO Game Grad 7 Question Preview (ID: 53332)


Grade 7 Bio.[print questions]

Distilled water:
a) a) Contains mineral salts.
b) b) Does not contain mineral salts.
c) c) Is the same as sea water.
d)

Potassium hydroxide
a) a) Absorbs Carbon dioxide from the Medium
b) b) Releases carbon dioxide to the medium
c) c) Has no effect on the medium.
d)

A nutritive solution should supply green plants with:
a) a) Water only
b) b) Water and mineral salts
c) c) Light and mineral salts
d)

A green plant does not grow normally:
a) a) Ifit is deprived of Water and Light.
b) b) It is deprived of carbon dioxide and mineral salts.
c) c) It is deprived of all the above conditions.
d)

A green plant naturally needs:
a) a) Light and carbon dioxide
b) b) Water and mineral salts
c) c) All answers are correct
d)

Which of the following statements represent a summary of the lesson?
a) a) Plant needs water and carbon dioxide to grow.
b) b) Green plants need water, light, carbon dioxide and mineral salts to grow.
c) c) None Chlorophyllic plants need water, light, carbon dioxide and mineral salts to grow.
d)

Calcium nitrate and potassium nitrate are :
a) mineral salts
b) May present in a nutritive solution
c) Both Answers are correct
d)

The green plants got Carbon doixide from:
a) water
b) air
c) Both Answers are correct
d)

A green plant placed in darkness is watered with nutritive solution :
a) grows normally
b) has an abnormal growth
c) Both Answers are correct
d)

Chlorophyllic plants:
a) are non green plants
b) Green plants
c) none of the above
d)

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