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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