Role of Micronutrients

Q. Which among the following is an incorrect statement?

1. Magnesium helps to maintain the ribosome structure.
2. Manganese is a constituent of the ring structure of chlorophyll
3. Iron is essential for the formation of chlorophyll.
4. Phosphorus is constituent of cell membrane

Q. Which among the following is a function of Boron?

1. Pollen germination
2. Membrane functioning
3. All of these
4. Carbohydrate translocation

Q.

What is the name of the natural form of auxin?

Q. Activation of catalase enzyme, formation of chlorophyll, electron transfer are all associated with which of the following elements?

1. Zinc
2. Magnesium
3. Iron
4. Sulphur

Q.

$Z{n}^{2+}$ is an activator of

1. alcohol dehydrogenase

2. Oxygenase

3. Nitrogenase

4. phosphoenolpyruvate carboxylase

Q.

What is the function of alcohol dehydrogenase?

Q. Which of the following is not an essential element ?

1. Iron
2. Zinc
3. Iodine
4. Potassium

Q. ___________is required for the uptake of calcium

1. Boron
2. Potassium
3. Manganese
4. No mineral element

Q. Identify the incorrect match from the following

1. Chlorine - helps in oxygen evolution
2. Boron - Pollen germination
3. Molybdenum - Carbohydrate translocation
4. Zinc - Auxin synthesis

Q.

What are some examples of negative nitrogen balance?

Q.

Why does too much auxin kill a plant?

Q.

The minerals associated with redox reactions are:

1. Iron and copper

2. Iron and phosphorus

3. Copper and zinc

4. Copper and chlorine

Q.

Name the disease caused by the deficiency of vitamin B₁

Q. Identify the incorrect match from the following

1. Chlorine - helps in oxygen evolution
2. Boron - Pollen germination
3. Molybdenum - Carbohydrate translocation
4. Zinc - Auxin synthesis

Q. __________ element is needed for the synthesis of auxins.

1. Zinc
2. Molybdenum
3. Copper
4. Potassium

Q. Which of the following statements about sporopollenin is wrong?

1. Exine is formed of sporopollenin
2. Sporopollenin is not degraded by any known enzyme
3. Sporopollenin occurs in the area of germ pores only
4. Sporopollenin is most resistant organic material

Q. Water splitting reaction occurs during______(1)______and leads to the evolution of ____(2)______

1. respiration (1), carbon dioxide (2)
2. photosynthesis (1), oxygen (2)
3. respiration (1), oxygen (2)
4. photosynthesis (1), carbon dioxide (2)

Q.

What does dehydrogenase mean?

Q. ___________is required for the uptake of calcium

1. Boron
2. Potassium
3. Manganese
4. No mineral element

Q.

How does ethylene ripen fruit?

Q.

The minerals associated with redox reactions are:

1. Iron and copper

2. Iron and phosphorus

3. Copper and zinc

4. Copper and chlorine

Q.

Which statements are related with chloroplast:-

1) contain 70s ribosomes

2)clear division of labour

3)ATP formation

4) small single stranded circular DNA molecules

5)inner chloroplast membrane is relatively more permeable than outer

Q.

Premature leaf fall is due to a deficiency of

1. Zinc.

2. Sodium.

3. Potassium.

4. Phosphorus.

Q. Element necessary for the uptake as well as utilisation of calcium is

1. $B$
2. $P$
3. $S$
4. $Mn$

Q.

Mention the food constituents which may be lacking in ones diet, in case of the following.
A person suffering from beri-beri.

Q. Which of the following is incorrect?

1. Magnesium: Constituent of chlorophyll
2. Sulphur: Activates catalase enzyme
3. Chlorine: Splitting of water during light reaction
4. Manganese: Splitting of water during light reaction

Q. The form of sugar transported through phloem is

1. Glucose
2. fructose
3. sucrose
4. ribose

Q.

Why is rubisco so inefficient?

Q.

Which of the following micronutrient(s) is/are involved in nitrogen metabolism?

1. Mn
2. Mo
3. Ni
4. Cl

Q. Enzyme first used for nitrogen fixation:

1. Nitroreductase
2. Nitrogenase
3. Transferase
4. Transaminase