Micro Nutrients

Q. A few tomato seeds were placed in three pots A, B and C containing soil. The pots were watered regularly and following were mixed with the soil in the respective pots.

$\begin{array}{cc}\text{Pot}& \text{Source of Nutrients}\\ \text{Pot A}& \text{Nil}\\ \text{Pot B}& \text{Cow dung}\\ \text{Pot C}& \text{Urea}\end{array}$

Which of the following will be observed after 10 days?

1. Lot of growth in pot A
2. Not much growth in pot B and a lot of growth in pot A
3. Lot of growth in pot B but very little growth in pot C
4. Very little growth in pot A but lot of growth in pots B and C

Q.

In which form plants do absorb boron?

Q.

Why are we normally advised to take bland and nourishing food when we are sick?

Q.

Khaira disease of rice is caused due to the deficiency of

1. Boron deficiency

2. Zinc deficiency

3. Magnesium deficiency

4. All of the above

Q. Nutrients which are needed in large quantities by the plants are called macronutrients.

1. True
2. False

Q.

Write down the function and deficiency symptoms of nitrogen and magnesium in plants?

Q.

___ are protective nutrients.

Q. what is vitamin K? Give example. What is it used for ?

Q.

The minerals that are required by a plant in very small quantities are called:

1. macronutrients

2. micronutrients

3. manures

4. fertilizers

Q.

Where is FAD used?

Q.

Which technique was used to prove that O₂ released is from water in plants?

Q.

Identify the vitamin which is generally sour in taste and helps our body to fight against many diseases.

1. Vitamin A

2. Vitamin B

3. Vitamin C

4. Vitamin D

Q.

Eggs, milk, carrots, sweet potatoes, and cantaloupe are rich in ___.

1. Vitamin C

2. Vitamin D

3. Vitamin A

4. Vitamin B

Q. Which among the following helps in the clotting of blood?

1. Vitamin A
2. Vitamin D
3. Vitamin K
4. Vitamin B

Q. Chlorophyll contains 3percent Mg by mass then minimum molar mass of cholorophyll is?

Q.

Which among the following is required in minute quantities and has a specific role in body function?

1. Carbohydrate

2. Minerals

3. Proteins

4. Vitamins

Q.

Which one of the following nutrient is essential for protecting our body against diseases?

1. Carbohydrates

2. Proteins

3. Fats

4. Vitamins

Q.

Is cobalt a micronutrient?

Q. What are the factors for which crop improvement is desirable?
i. Higher yield
ii. Improved quality
iii. Good appearance
iv. Disease resistance
v. More height
vi. Wider adaptability

1. i, ii, iii. iv
2. i, ii, iv, v
3. i, ii, iv, vi
4. ii, iii, v, vi

Q.

Identify the mineral among the following.

1. Thiamine

2. Iron

3. Calcium

4. Potassium

Q. Micronutrients are:

1. Small molecules required by plants
2. Useful, but not required by plants
3. Available in the soil only in small amounts
4. Required by plants in small amounts

Q.

What is micronutrient fortification?

Q.

Which of these is a macronutrient used by plants?

1. Chlorine

2. Copper

3. Nitrogen

4. Zinc

Q. What are micro nutrients?

Q. Biting nails should be strictly avoided. Give reason​

Q. Why should the fruits and vegetables not to be washed after cutting?

[Review question: Pg. No:107]

Q. Manganese is a micronutrients.

1. True
2. False

Q. Why should the fruits and vegetables not to be washed after cutting?

[Review question: Pg. No:107]

Q. Essential elements which are required in plants in traces only, equal or less than 0.1 mg/gm of dry matter is known as

1. Micronutrients
2. Macronutrients
3. Minerals
4. Non-mineral elements

Q.

Which vitamin helps in preventing tooth decay?

1. Vitamin K

2. Vitamin C

3. Vitamin D

4. Vitamin B1