Macronutrients

Q.

RQ of fat is

1. Infinite

2. Less than one

3. One

4. More than one

Q. Structural elements are

1. Macro-mineral elements
2. Micro-mineral elements
3. Micro-non-mineral elements
4. Macro-non-mineral elements

Q.

Plants requiring two metallic compounds for chlorophyll synthesis are

1. Fe and Ca

2. Fe and Mg

3. Cu and Ca

4. Ca and K

Q.

Which is essential for root hair growth?

1. Zn

2. Ca

3. Mo

4. S

Q.

The core metal of chlorophyll is

1. Fe

2. Cu

3. Mg

4. Ni

Q. A patient is generally advised to especially consume more meat, lentils, milk and eggs in diet only when he suffers from ______.

1. Anemia
2. Scurvy
3. Kwashiorkor
4. Rickets

Q.

The center of chlorophyll molecule contains

1. Mg

2. Fe

3. Mo

4. Mn

Q. Maize plants are resistant to maize stem borers due to

Q.

Match the following:

Column I	Column II
a. Number of elements found in plants	1. 8
b. Number of essential elements	2. 100
c. Number of macroelements	3. >60
d. Number of microelements	4. 17
e. Number of non-essential elements	5. 9
	6. >17

1. a-1, b-2, c-3, d-4, e-5

2. a-5, b-4, c-3, d-2, e-1

3. a-3, b-4, c-1, d-5, e-6

4. a-3, b-4, c-5, d-1, e-6

Q.

list the names of 20 amino acids

Q. Identify the correct set of elements whose deficiency first occurs in older leaves.

1. N, S, Ca
2. N, Ca, Mg
3. Mg, S, Ca
4. N, K, Mg

Q. Explain with examples : macronutrients, micronutrients, beneficial nutrients, toxic elements and essential elements.

Q.

Assertion (A): Macronutrients are generally present in plant tissues in large amounts, in excess of 10 m mole $k{g}^{-1}$ of dry matter.

Reason (R): Micronutrients are needed in very small amounts, less than 10 m mole $k{g}^{-1}$ of dry matter.

1. Both A & R true and R explains A

2. Both A & R true and R does not explain A

3. A is true and R is false

4. Both A & R are false