Class 11 Biology · Chapter 8 · Test 1
Plant Nutrition and Gases
45 MCQs. This part covers plant nutrition, the roles and deficiency symptoms of macronutrients and micronutrients, and insectivorous plants. It also covers stomata, the opening and closing of stomata, and palisade tissue, along with the related exercise MCQs.
45 questions · 30 min · 45 marks
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Sample questions
The first 5 of 45. Try each one, then tap to see the answer.
Question 1
A nutrient is a substance that provides the body with:
- AEssential ingredients required for metabolism
- BOnly water
- COnly light
- DOnly heat
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Answer: A
A nutrient provides the body with essential ingredients required for metabolism.
Question 2
Which nutrients serve as sources of energy?
- ACarbohydrates, lipids and proteins
- BWater, electrolytes and vitamins
- COnly minerals
- DOnly electrolytes
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Answer: A
Carbohydrates lipids and proteins serve as sources of energy.
Question 3
Nutrition refers to the collective processes involved in:
- AOnly the excretion of wastes
- BIntake and utilization of nutrients for growth, repair and maintenance
- COnly the absorption of light
- DOnly the release of energy
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Answer: B
Nutrition is the collective processes of intake and utilization of nutrients for growth repair and maintenance of activities.
Question 4
How many macronutrients are needed by plants?
- AFive
- BSeven
- CNine
- DTwelve
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Answer: C
There are nine macronutrients: carbon hydrogen oxygen nitrogen potassium calcium phosphorus magnesium and sulphur.
Question 5
Carbon, oxygen and hydrogen are required by plants for:
- AMaking organic compounds
- BMaking cork
- COpening stomata
- DForming annual rings
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Answer: A
Carbon oxygen and hydrogen are required for making organic compounds.
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