Mineral Nutrition Test

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Mineral Nutrition Test - 72

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Weekly Quiz Competition

Question 1
1 / -0

Which is essential for the growth of root tip?

A
Zn

B
Fe

C
Ca

D
Mn
Question 2
1 / -0

Activity of nitrogenase in nitrogen fixing micro-organisms can be seen when?

A
Methane is converted to ethane

B
Ethane is converted to methane

C
Ethylene is converted to acetylene

D
Acetylene is converted or reduced to ethylene
Question 3
1 / -0

Non - essential amino acid is

A
Valine

B
Arginine

C
Histidine

D
Lysine
Question 4
1 / -0

Chlorophyll synthesis will be largely affected due to deficiency of which of the following sets of elements?

A
K, Fe, Mg

B
Fe, Mg, Ca

C
Fe, Mg, Zn

D
K, Fe, S
Question 5
1 / -0

The brown colour of leaves of cabbage is due to the deficiency of:

A
Boron

B
Calcium

C
Nitrogen

D
Sulphur

Solution
Question 6
1 / -0

Calcium is present in plant body in form of:

A
Calcium acetate

B
Calcium oxalate

C
Calcium pectate

D
Calcium carbonate

Solution

Calcium is present in plant body in form of -

(C) Calcium pectate.

(1) helps to hold together the cell walls of plants.

(2) It is used to active certain enzymes. send signals that coordinate certain cellular activities.

[All water sources supply some calcium]
Question 7
1 / -0

Which of the following is a trace element?

A
Phosphorus

B
Nitrogen

C
Potassium

D
Zinc

Solution

Zinc is used in the formation of chlorophyll and some carbohydrates, conversion of starches to sugars and its presence in plant tissue helps the plant to withstand cold temperatures. Zinc is essential in the formation of auxins, which help with growth regulation and stem elongation.
So, the correct option is D.
Question 8
1 / -0

Plants absorb sulphur in the form of:

A
Sulphate lons

B
$$H_2S$$

C
Metallic sulphur

D
$$H_2SO_4$$

Solution

Plant absorb sulphate in the form of
A. sulphate Ions.
Sulphate ions appears in the soil during decomposition of organic sulphate compound.

Question 9

1 / -0

Study the following columns and identify the mis-matched option.

	Bacteria	Mode of Nutrition	Function
$$(1)$$	Rhizobium	Heterotrophic	Symbiotic $$N_2$$-fixation
$$(2)$$	Anabaena	Photoautotrophic	Symbiotic $$N_2$$-fixation
$$(3)$$	Azotobacter	Heterotrophic	Free-living $$N_2$$-fixation
$$(4)$$	Nitrosomonas	Chemoautotrophic	Free-living $$N_2$$-fixation

A

B

C

D

Question 10
1 / -0

For nitrogen fixation, which of the following is not a requirement of nitrogenase enzyme?

A
Molybdenum

B
High input of energy

C
Strong oxidizing agents for oxidation of $$N_2$$ into $$NO^-_3$$

D
Anaerobic condition

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Mineral Nutrition Test - 72

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Mineral Nutrition Test - 72

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Question 1

Zn

Fe

Ca

Mn

Question 2

Methane is converted to ethane

Ethane is converted to methane

Ethylene is converted to acetylene

Acetylene is converted or reduced to ethylene

Question 3

Valine

Arginine

Histidine

Lysine

Question 4

K, Fe, Mg

Fe, Mg, Ca

Fe, Mg, Zn

K, Fe, S

Question 5

Boron

Calcium

Nitrogen

Sulphur

Solution

Question 6

Calcium acetate

Calcium oxalate

Calcium pectate

Calcium carbonate

Solution

Question 7

Phosphorus

Nitrogen

Potassium

Zinc

Solution

Question 8

Sulphate lons

$$H_2S$$

Metallic sulphur

$$H_2SO_4$$

Solution

Question 9

A

B

C

D

Question 10

Molybdenum

High input of energy

Strong oxidizing agents for oxidation of $$N_2$$ into $$NO^-_3$$

Anaerobic condition

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