Nutrition

Q.

Define nutrition.

Q. Fill in the blanks:
(k) The structure which provides vascular connection between foetus and uterus is called

Q.

During which process is the energy released?

1. Respiration

2. Feeding

3. Digestion

4. Growth

Q. Placenta in humans is a temporary organ formed during pregnancy. It is formed by

1. amnion only
2. chorion only
3. yolk sac only
4. chorion and uterine wall

Q.

The entire process starting from the intake of food to the utilization of nutrients for repair, growth, and development is called ____________.

1. digestion
2. absorption
3. nutrition
4. ingestion

Q. Name the enzymes which converts the following:
(iii) Maltose into glucose.

Q. Are all living organisms made of the same chemicals, i.e., elements and compounds?

Q. Among energy values of nutrients, 9.3 calories is that of:

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

Q. Carnivorous plants like Nepenthes and Venus fly trap have nutritional adaptations. Which nutrient do they especially obtain and from where?

Q.

The concentration of macro nutrients in dry matter is

1. less than10mmole kg-1

2. excess of 10mmole kg-1

3. 0.1mg

4. 10mg

Q. What is heterotrophic nutrition? Describe its types.

Q. Which pigment takes part in light reaction of photosynthesis?

1. Xanthophyll
2. Chl a
3. Carotene
4. Phycoxanthin

Q.

Which of the following statements about dietary fibres are incorrect?

A. It stretches the intestinal muscles, so they can push unwanted waste.

B. Food rich in fibre content is milk.

C.They are digestible substances like cellulose, which is found in plant foods.

D.They are stringy, indigestible substances like pectin, hemicellulose found in plant foods such as broccoli.

1. It stretches the intestinal muscles, so they can push unwanted waste

2. Food rich in fibre content is milk.

3. They are digestible substances like cellulose, which is found in plant foods

4. They are stringy, indigestible substances like pectin, hemicellulose found in plant foods such as broccoli

Q. In human pancreas secretes pancreatic juice. Match the pairs of enzyme and its function present in it.

Enzyme	Function
$\left(1\right)$ Amylase	(a) Digestion of fat
$\left(2\right)$ Trypsin	(b) Digestion of protein
$\left(3\right)$ Lipase	(c) Digestion of starch

1. $1$-c, $2$-a, $3$-b
2. $1$-b, $2$-c, $3$-a
3. $1$-c, $2$-b, $3$-a
4. $1$-a, $2$-b, $3$-c

Q. The entire process starting from the intake of food to the utilization of nutrients for repair, growth, and development is called ____________.

1. digestion
2. absorption
3. nutrition
4. ingestion

Q. What is nutrition? What do you understand by balanced and unbalanced food?

Q. What are macro nutrients? How many are there in plants?

Q. What is Nutrition? Why is the need of nutrition?

Q. Given below are types of cells present in some animals. Each one is specialised to perform a single specific function except

Q. Read the context and choose the option with the correct sequence. The food is taken in, biochemically broken down, which is absorbed and circulated to all the cells. Thus the sequence in nutrient acquisition is -

1. Digestion, assimilation, absorption, ingestion, egestion

2. Ingestion, digestion, absorption, assimilation, egestion

3. Absorption, assimilation, ingestion, digestion, egestion

4. Assimilation, digestion, absorption, ingestion, egestion

Q. Fill in the blanks.

Q. Among energy values of nutrients, 9.3 calories is that of:

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

Q. Among energy values of nutrients, 9.3 calories is that of:

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

Q. A person who is allergic to pulses was advised to take a capsule of Spirulina daily. Give the reasons for the advice.

Q. How many calories does fat provide:

1. 14 Kcal/g or 17 KJ/g
2. 9 Kcal/g or 38 KJ/g
3. 6 Kcal/g or 25 KJ/g
4. 4 Kcal/g or 17 KJ/g.

Q. Dietary fibres are required by the body for

1. Bowel movement
2. Bodybuilding
3. Fat storage
4. None of the above

Q. Which of the following statements is a correct distinction between autotrophs and heterotrophs?

1. Only heterotrophs need to acquire chemical compounds from the environment
2. Autotrophs, but not heterotrophs, can nourish themselves beginning with nutrients that are entirely inorganic
3. Cellular respiration is unique to heterotrophs
4. Only heterotrophs have mitochondria

Q. What is nutrition?

1. The process of organisms synthesizing their own food into simpler substances, which are then absorbed and utilized by cells of the body.
2. The process of organisms converting their own food into complex substances, which are absorbed and utilized by cells of the body.
   
3. The process of organisms synthesizing their own food into simpler substances, which are then not utilized by cells of the body.
   
4. The process of organisms converting their own food into complex substances, which are then not absorbed by cells of the body.
   

Q. Prepare and complete the flowchart according to type of nutrition.

Q. List the six main purposes for which food is required by the body.