Tag: general functions of food

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Multiple choice evs nutrition and its deficiency general functions of food nutrition and its need in plants nutrition and its need

Why nutrition is necessity for an organism? 

  1. It provides energy for the various metabolic processes in the body.

  2. It is essential for the growth of new cells and repair or replacement of worn out cells.

  3. It is needed to develop resistance against various diseases.

  4. All of the above.
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Yes, nutrition is a necessity for an organism. nutrition is the process of obtaining and utilizing food for survival. It is required for the following purposes-
(a) It provides energy for the various metabolic processes in the body.
(b) It is essential for the growth of new cells and repair or replacement of worn out cells.
(c) It is needed to develop resistance against various diseases.

(d) it provides substrate for energy production which is utilized in the different life process for survival.
Thus, the correct answer is option D.

Multiple choice evs nutrition and its deficiency general functions of food nutrition and its need in plants nutrition and its need

It is believed that height of a child depends upon the genes inherited from parents. However, it is often seen that tall parents may have short children and vice-versa. Are there factors other than genes, that can cause these variations?

  1. Yes, nutrition can be a factor.

  2. No, it can be an other cause.

  3. Ambiguous.

  4. Data insufficient.
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Growing taller and nutrition are closely correlated. The process of cell division and their development requires an adequate supply of energy, amino acids, water, lipids, vitamins and minerals. With food, people receive about 50 essential nutrients for growth. Inadequate amounts of food or too low caloric food is the primary cause for growth failure, especially when the growth velocity is high in children. 

Multiple choice evs nutrition and its deficiency general functions of food nutrition and its need in plants nutrition and its need

Proper nutrition is required for

  1. Muscle growth only

  2. Brain development only

  3. Body growth and development

  4. None of the above
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation
Nutrition is the intake of food in relation to the body's dietary requirements. Good nutrition is a balanced diet necessary for the growth and development of the body. Whereas poor nutrition can lead to reduced immunity of the body.
So the correct answer is 'Body growth and development'.
Multiple choice evs nutrition and its deficiency general functions of food nutrition and its need in plants nutrition and its need

Consumption of which of the following yields gross calorific value of nearly zero in a human?

  1. Lettuce

  2. Egg white

  3. Bread

  4. Meat
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

During the process of digestion, a lot of energy is utilized and there's a simultaneous release of heat represented in terms of gross calorific value.

Animal products and flesh are complex in composition and therefore have a high calorific value. On the contrary, plant products are simpler in composition, therefore, have a low calorific value. Hence among lettuce, egg white, bread, and meat, lettuce has the lowest or nearly zero in a human.
So, the correct answer is 'Lettuce'.

Multiple choice evs nutrition and its deficiency general functions of food nutrition and its need in plants nutrition and its need

The term 'Homeostasis' was proposed by

  1. Claude Bernard

  2. Walter cannon

  3. Marcello Malpighi

  4. Henle
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Walter cannon developed the concept of homeostasis from the earlier idea of Claude Bernard and popularized it in his book 'The Wisdom of the Body', 1932. Cannon presented four tentative propositions to describe the general features of homeostasis: 

1. Constancy in an open system- Such as our body represent, it requires mechanisms that act to maintain this constancy.
2. Steady-state conditions require that any tendency towards change automatically meets with factors that resist change.
3. Regulating system that determines the homeostatic state consists of a number of cooperating mechanisms acting simultaneously or successively.
4. Homeostasis is the result of organized self-government, it does not occur by chance.