Nutrition in Humans

Q.

What is the end product of protein after digestion?

Q.

What will happen if the mucus is not secreted by the gastric glands?

Q.

Digestion of protein is completed in which part of small intestine ______

1. Duodenum

2. Ileum

3. Duodenum and ileum

4. Stomach

Q.

Mandibles of cockroaches are:

1. Long and pointed

2. Long and coiled

3. Short with grinding teeth

4. Short without teeth

Q.

List the common characteristics of the living things.

Q.

Hepatic portal system starts from

1. digestive system to liver

2. kidney to liver

3. liver to heart

4. liver to kidney

Q.

The blood vessel which supplies blood to the liver.

Q.

The buccal cavity, food pipe or oesophagus, stomach, small intestine, large intestine, rectum and anus. These are components of which system of our body?

1. Digestive system

2. Excretory system

3. Respiratory system

4. Nervous system

Q.

In living things growth happens

1. from inside

2. from outside

3. both the above

4. none of the above

Q.

Liver in our body stores :

1. Vitamin B₁₂

2. Vitamin D

3. Vitamin A

4. All of the above

Q.

How does digestion occur in the stomach?

Q. Identify W, X, Y, Z shown in the given image.

1. W: Windpipe; X: Epiglottis; Y: Larynx; Z: Oesophagus
2. W:Trachea; X: Epiglottis; Y: Larynx; Z: Bronchioles
3. W: Oesophagus; X: Larynx; Y: Epiglottis; Z: Trachea
4. W: Oesophagus; X: Epiglottis; Y: Larynx; Z: Trachea

Q.

State the functions of following structures
Bladder sphincter

Q.

What is the role of bacteria in the gut?

Q. Which of the following features can be said to be a true defining feature of living beings without any exception?

1. All of them can reproduce.
2. They can respond to external stimuli.
3. They can digest their food.
4. They can regenerate.

Q.

Movements of various materials in the body of plants and animals is called

1. Transportation

2. Transpiration

3. Transfusion

4. None of these

Q. One of the reasons for liver cirrhosis is alcoholism.

1. True
2. False

Q. During prolonged starvation, body derives nutrition from

1. Liver and adipose
2. Subcutaneous fat and Pancreas
3. Spleen
4. Liver and lungs

Q. An enzyme that converts disaccharides to monosaccharides is ________.

1. Lactase
2. Kinase
3. Zymogen
4. Lipase
5. Phosphatase

Q. Mucus is secreted by the

1. Stomach
2. All of the above
3. Duodenum
4. Large intestine

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

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

Q. Which is the pathway for pyruvate breakdown in living organisms?

1. Pyruvate to ethanol, CO${}_2$ and energy
2. Pyruvate to lactic acid and energy
3. Pyruvate to CO${}_2$, H${}_2$O and energy
4. All of the above

Q. Vomiting and severe dehydration are symptoms of ______.

Q.

1. Fasciola
2. Octopoda
3. Asterias
4. Ascidia

Q. Which of the following is a source of nitrogenous compound in diet?

1. Sprouted pulses and cod liver oil
2. All of the above
3. Arhar and moth beans
4. Soyabean and Til
5. Moong and Ragi

Q. What is mean by contractile system? What is its function in diatoms, chlymadomonas, and euglenoids?

Q.

What is the medical term used for the stone in kidney?

Q. Before the blood carrying the products of digested food, returns to heart, it first passes through capillary network in the

1. Liver
2. Kidneys
3. Brain
4. Spleen

Q. The reason why the liver of alcohol addicts gets damaged is that it

1. Has to detoxify the alcohol.
2. Stores excess of glycogen.
3. Is over stimulated to secrete bile.
4. Accumulate excess of fats.

Q.

what is the difference between digestive system and digestion?