Assimilation

Q. The gross calorific value of protein is_______________ kcal/g

1. 9.45
2. 9
3. 4.1
4. 5.65

Q.

What are the functions of proteins?

Q.

Holozoic type of nutrition

Q.

Can belly fat affect breathing?

Q.

A blood vessel that begins and ends in capillaries is_______________.

1. Hepatic veins

2. Hepatic artery

3. Hepatic portal vein

Q.

The form of sugar transported through phloem is

1. Ribose

2. Glucose

3. Sucrose

4. Fructose

Q. What proteins are in milk?

Q. Which of the following statements are incorrect about the utilization of the amino acids in our body?
Statement 1: Amino acids are used as insulation and packaging material
Statement 2: Amino acids are the main source of energy
Statement 3: Some amino acids are utilized in the formation of enzymes.

1. Statement 1 and 3 are correct
2. Statement 2 and 3 are correct
3. Only statement 3 is correct
4. All are correct

Q. Intrinsic factor is secreted by _______.

1. Oxyntic cells
2. Goblet cells
3. Chief cells
4. Argentaffin cells

Q.

Find out the incorrect path or flow, in relation to the assimilation of the products of digestion, in humans.

I. Liver $\to$ the main organ to stimulate assimilation.

II. Amino acids $\to$ utilised by cells to produce parts of the basic cell structure, hormones, DNA. (excess is deaminated to form glucose).

III. Monosaccharides $\to$ converted to glucose $\to$ reaches bloodstream and gets used up by the cells for energy. (excess is stored as glycogen).

IV. Triglycerides $\to$ Fatty acids $\to$ used by the cells for homeostasis, repair and construction (excess is stored in adipose tissue).

1. I, II $\&$ III

2. I, II $\&$ IV

3. I $\&$ II

4. None of the above

Q. Calorific values of carbohydrates, proteins and fats are respectively

1. 9.0, 5.6, 4.0
2. 7.3, 4.3, 4.9
3. 4.0, 5.6, 9.0
4. 4.9, 4.3, 7.3

Q. Read some characteristics of an enzyme isolated from living tissue of animals
(i) Extracellular enzyme
(ii) Shows optimum activity at ${37}^{o}C$
(iii) Is most effective at $pH7.8$
(iv) Catalyses hydrolysis of peptide bonds
The source and substrate of this enzyme can be

1. Saliva and starch
2. Stomach and proteins
3. Small intestine and starch
4. Pancreas and proteins

Q. Which of the following vessels has more nutrients than others?

1. Vein arising from liver
2. Superior Vena cava
3. Vein arising from muscles
4. Vein arising from Kidney

Q. Which of the following statements are incorrect about the utilization of the amino acids in our body?
Statement 1: Amino acids are used as insulation and packaging material
Statement 2: Amino acids are the main source of energy
Statement 3: Some amino acids are utilized in the formation of enzymes.

1. Only statement 3 is correct
2. Statement 2 and 3 are correct
3. Statement 1 and 3 are correct
4. All are correct

Q. Which of the following is known as the building block of proteins?

1. Amino acids
2. Enzymes
3. Fatty acids
4. Glycogen

Q. Which enzyme helps in removing oil stains from clothes?

1. Streptokinase
2. Trypsin
3. Lipase
4. Amylase

Q. If the oxyntic cells of gastric glands are rendered non-functional then which of the following process is/are affected

1. Digestion of starch
2. Igestion of fats by lingual lipase
3. Digestion of proteins in alkaline medium
4. Absorption of vitamin B12

Q. What fraction of $C{O}_2$ exhaled by animals is generated by the reactions of citric acid cycle, if glucose is the sole source of energy?

1. $2/6$
2. $3/6$
3. $1/6$
4. $6/6$

Q. Give below is a table showing the role of some major gastro-intestine peptide hormones in digestion. Which of the following is not correctly matched?

Hormones	Source of Secretion	Action
(1) CCK	Duodenum	Contraction of gall bladder, inhibits gastric emptying
(2) Gastrin	Pyloric stomach	secretion of $HCl$
(3) Secretein	Duodenum	Decrease pancreatic $HC{O}_3^{-}$ and $H_{2}O$
(4) GIP (Gastricinhibitory peptide)	Duodenum	Inhibition of gastric secretion and motility

1. 1
2. 2
3. 4
4. 3

Q. Which of the following statements are incorrect about the utilization of the amino acids in our body?
Statement 1: Amino acids are used as insulation and packaging material
Statement 2: Amino acids are the main source of energy
Statement 3: Some amino acids are utilized in the formation of enzymes.

1. Only statement 3 is correct
2. Statement 2 and 3 are correct
3. Statement 1 and 3 are correct
4. All are correct

Q. Which of the following polysaccharide cannot be digested by man?

1. Glycogen
2. Amylopectin
3. Cellulose
4. None of the above

Q. Select the correct sequence of the steps of human nutrition.

1. Ingestion $\to$ Digestion $\to$ Absorption $\to$ Assimilation $\to$ Egestion
2. Ingestion $\to$ Digestion $\to$ Assimilation $\to$ Absorption $\to$ Egestion
3. Ingestion $\to$ Assimilation $\to$ Digestion $\to$ Absorption $\to$ Egestion
4. Ingestion $\to$ Absorption $\to$ Digestion $\to$ Assimilation $\to$ Egestion

Q. Spoilage of food material is prevented in cold storage due to

1. Reduced respiration at low temperature
2. Reduced enzyme activity in microbes as well as food articles
3. Purified nature of air
4. Reduced enzyme activity in food articles

Q. Mention the locations from where to where do the following blood vessels carry blood?

(ii) Hepatic portal vein

Q. Describe the process of assimilation of food.

Q. Single letter symbol $F$ is used for the amino acid

1. Phenylalanine $\left(Phe\right)$
2. Proline $\left(Pro\right)$
3. Tryptophan $\left(Try\right)$
4. Methionine $\left(Met\right)$

Q.

What are proteins?

Q. The major sources of energy in living cells are

1. Fatty acids
2. Enzymes
3. Harmones
4. Starch

Q. Which of the following is incorrect about fats?
Statement 1: Fats function as a cushion and shock absorber for eyeballs, kidneys, and gonads.
Statement 2: Vitamins A, D, E, K require fat for their absorption and transport
Statement 3: They provide energy with a physiological calorific value of 4 kcal/g.

1. Statement 1 is incorrect
2. Statement 3 is incorrect
3. Statement 2 is incorrect
4. All three statements are correct