Question

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

Releted MCQ Question on
Botany >> Mineral Nutrition

Releted Question 1

In which of the following forms is iron absorbed by plants?

A. Ferric
B. Ferrous
C. Both ferric and ferrous
D. Free element
Releted Question 2

Which of the following elements is responsible for maintaining turgor in cells?

A. Magnesium
B. Sodium
C. Calcium
D. Potassium
Releted Question 3

In which of the following, all three are macronutrients?

A. Boron, zinc, manganese
B. Iron, copper, molybdenum
C. Molybdenum, magnesium, manganese
D. Nitrogen, calcium, phosphorus
Releted Question 4

Minerals known to be required in large amounts for plant growth include :

A. calcium, magnesium, manganese, copper
B. potassium, phosphorus, selenium, boron
C. magnesium, sulphur, iron, zinc
D. phosphorus, potassium, sulphur, calcium

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Mineral Nutrition


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