1. Food in plants is translocated in the form of

A. Glucose
B. Starch
C. Sucrose
D. Fructose
Answer :   Sucrose
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2. Supply ends in transport of solute are

A. Green leaves and storage organs
B. Root and stem
C. Xylem and Pholem
D. Hormones and enzymes
Answer :   Green leaves and storage organs
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3. Root nodules which are present in plants are meant for fertilizers and are found in/on

A. Certain leguminous plants
B. Casurina
C. Alanus
D. All of the above
Answer :   All of the above
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4. Which one is an essential mineral, not constituent of any enzyme but stimulates the activity of many enzymes

A. $$Zn$$
B. $$Mn$$
C. $$K$$
D. $$Mg$$
Answer :   $$K$$
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5. Quinine medicine is obtained from

A. Cinchona stem bark
B. Cinchona root bark
C. Rauwolfia
D. Rauwolfia root bark
Answer :   Cinchona stem bark
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6. Which of the following opium alkaloid acts as a smooth muscle relaxant

A. Papaverine
B. Noscapine
C. Narcine
D. Any or all
Answer :   Any or all
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7. Interveinal chlorosis of leaves is caused by the deficiency of

A. Nitrogen
B. Calcium
C. Potassium
D. Magnesium
Answer :   Magnesium
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8. The number of essential elements required for normal growth of plant is

A. 10
B. 16
C. 20
D. 25
Answer :   16
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9. Quinine is obtained from the bark of

A. Cinchona
B. Haevea
C. Opium
D. Ferula
Answer :   Cinchona
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10. Which element is essential for photolysis of water

A. Nitrogen
B. Manganese
C. Carbon
D. Oxygen
Answer :   Manganese
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