Minerals

Q.

Which of the following nutrients are absorbed by plants in large quantities from soil?

1. Zinc

2. Iron

3. Manganese

4. Sulphur

Q.

What are the methods to conserve mineral resources?

Q.

Which of the following statements is incorrect about thyroxin?

1. Iron is crucial for thyroxins synthesis

2. It controls fat metabolism, carbohydrates, and protein

3. The thyroxin gland needs iodine for thyroxins synthesis

4. Thyroxin is also known as thyroid hormone

Q.

A doctor advises a bone patient to include more of milk and milk products in his everyday food. Why so ?

Q.

Fruits and vegetables are usually considered as good sources of

1. Only vitamins

2. Vitamins and minerals

3. Fats

4. Protein

Q.

Why micronutrients are called trace elements?

Q.

Which of the following is a trace element?

1. Ca

2. K

3. Mg

4. Cu

Q.

Majority of CO₂ is carried in the form of

1. Bicarbonates

2. Carboxyhemoglobin

3. Plasma

4. None of these

Q.

Which mineral is essential for healthy red blood cells and to prevent anaemia?

1. Iron

2. Magnesium

3. Iodine

4. Chromium

Q.

Which mineral is needed for the synthesis of the hormone thyroxine?

Q. Fats are composed of

1. glucose and fructose
2. amino acids
3. fatty acid and glycerol
4. lactose and glucose

Q.

Koderma, in Jharkhand, is the leading producer of which one of the following minerals? (a) Bauxite (b) Mica (c ) Iron Ore (d) Copper

1. Bauxite

2. Mica

3. Iron Ore

4. Copper

Q.

How many elements are essential for plants?

Q. A mineral haematite (fe2o3) contains unwanted material called guage In addition to Fe2O3. If 5kg of the ore contains 2.78kg of iron, what is the percentage purity of Fe2O3

Q.

Name the mineral element that is needed for the following respectively :

(i) Strong teeth

(ii) Proper working of thyroid

(iii) Synthesis of haemoglobin

Q.

Which one of the following is the correct matching of a nutrient mineral element and its one rich source ?

(a) Calcium -Potato

(b) Sodium - Citruis fruits

(c) Iodine - Dairy milk

(d) Potassium - Banana

Q.

Which form of iodine is used for the treatment of goiter?

Q.

The mineral ion needed for the formation of blood clot.

1. Potassium

2. Sodium

3. Calcium

4. Iron

Q. Why is conservation of mineral resources essential? Explain any three methods of conserving mineral resources.

Q. Match the nutrients with its source.

1. Carbohydrates
2. Proteins
3. Fat
4. Vitamin

Q.

How is the ${\mathrm{CO}}_2$ act as buffer in the blood?

Q. Vitamin D is called as _______________ vitamin as it can be synthesised by the body from the rays of sunlight.

[Review question: Pg. No: 255]

1. Cyanocobalamine
2. Sunshine vitamin
3. Retinol
4. Tocopherol

Q.

Kimberley is famous for the mines for which of the minerals?

Q.

Why is conservation of mineral resources essential? Explain any three methods of conserving mineral resources.

Q.

Vitamins, minerals and proteins in suitable amounts are given to body by

1. Whole grain food

2. Fatty fish

3. Plant oil

4. Nuts

Q.

What are minerals examples?

Q.

Calcium is required for the proper working of the thyroid, its deficiency leads to goitre.

1. False

2. True

Q.

How is Gypsum formed?

Q. Roshan wants to build his muscles, so he decided to join a gymnasium. What changes should Roshan make in his diet to build strong muscles?

1. Eat more carbohydrate rich food

2. Eat more vitamin rich food

3. Eat more protein rich food

4. Eat more fat rich food

Q.

A mineral that is required for keeping our bones healthy?