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Biology Class 9 Chapter 8 Nutrition-3
1.
Which one of the following is associated with the addition of fertilizers to the plants?
a) All of these
b) More fruits
c) Faster growth
d) Attractive flowers
2.
Fertilizers may be?
a) Both of these
b) Organic
c) Inorganic
d) None of these
3.
Which one of the following is organic fertilizer?
a) Manure
b) Rock phosphate
c) Elemental sulfur
d) Gypsum
4.
Nitrogen fertilizers contain ____ as the main element?
a) Nitrogen
b) Carbon
c) Hydrogen
d) Potassium
5.
Organic fertilizers are derived from?
a) Both of these
b) Plants
c) Animals
d) None of these
6.
Which one of the following is an inorganic fertilizer?
a) Gypsum
b) Urea
c) Compost
d) Menure
7.
Increase in chemical nutrients in an ecosystem is termed as?
a) Eutrophication
b) Phosphorylation
c) Digestion
d) Nutrition
8.
Which one of the following is the most common source of energy for living organisms?
a) Carbohydrates
b) Lipids
c) Proteins
d) Vitamins
9.
Which carbohydrate is most often used for energy?
a) Glucose
b) Maltose
c) Lactose
d) Fructose
10.
Which one of the following is Not a carbohydrate?
a) Oil
b) Starch
c) Sucrose
d) Lactose
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