Dietary Fiber and Water

Q.

Dietary fibre is also known as __.

Q. acts as a medium for the transportation of nutrients and excretion of toxic substances.

1. Fats
2. Water
3. Vitamins
4. Proteins

Q.

What is the percentage of water in the human body?

1. 60-70%

2. 80-90%

3. 100%

4. 50%

Q.

Dietary fibres are also known as __.

Q. Percentage of water in the body of a living being like human is

1. 10-20 %
2. 70 - 80%
3. 50 %
4. 90-95 %

Q. Living cell contains $60-75$% water. Water present in human body is

1. $60-65$%
2. $50-55$%
3. $65-70$%
4. $75-80$%

Q.

Next to air _____ is the most important substance.

Q. In water, the angle between the atoms of Hydrogen and one atom of Oxygen is

1. ${180}^o$.
2. ${104.5}^o$.
3. ${154.8}^o$.
4. ${106.5}^o$.

Q. Which of the following is not a function of water in cell?

1. It acts as a solvent
2. It provides a medium for chemical reaction
3. It releases hydrogen ions on ionisation
4. It provides energy for chemical reaction

Q. <!--td {border: 1px solid #ccc;}br {mso-data-placement:same-cell;}--> Amoeba does not have a nose. How does it take in oxygen for respiration?

1. Amoeba does not respire
2. By using peudopodia
3. Through pores called spiracles
4. Through diffusion

Q. <!--td {border: 1px solid #ccc;}br {mso-data-placement:same-cell;}--> Amoeba does not have a nose. How does it take in oxygen for respiration?

1. Amoeba does not respire
2. Through pores called spiracles
3. By using peudopodia
4. Through diffusion

Q.

In the given picture the boy is representing dietary fibers in a fancy dress competition. Out of the three balloons in his hand, which one can be removed as it contains less or no dietary fibres?

1. Whole grains

2. Green leafy vegetables

3. Fruit juice

4. All of them

Q. When a litre of water is introduced in human blood,

1. BMR decreases
2. RBCs collapse and urine production increases
3. BMR increases
4. RBCs collapse and urine production decreases

Q. Which one has maximum water content?

1. Horse
2. Coral
3. Jelly fish
4. Human

Q. Pointing at a glass full of water,
- Bala said, "Water is an important component of food."
- Sakshi added, "Drinking water is the only way by which our body gets water."

Analyse their statements and choose the correct option.

1. Bala is correct but Sakshi is incorrect
2. Bala is incorrect but Sakshi is correct

3. Both Bala and Sakshi are incorrect

4. Both Bala and Sakshi are correct

Q.

Which of the following statements are correct?

1. 1, 2, 3, and 4 are correct

2. 2, 3, and 4 are correct

3. Only 1 and 3 are correct

4. Only 1 is correct

Q. In a living systems, water is involved as a chemical in

1. Photosynthesis and repiration
2. Synthesis of polymers
3. Hydrolysis of biochemicals
4. All of the above

Q. Meat is very rich in dietary fibre.

1. False
2. True

Q. Dietary fibres help to get rid of undigested food easily.

1. False
2. True