Stomach

Q.

In which organ the digestion of protein starts in the human digestive tract?

Q. Digestion of starch starts in the stomach.

1. False
2. True

Q. Is the correct spelling mucous or mucus ?

Q.

Question 15
Choose the odd one out from each group and give reasons.

i) Liver, salivary gland, starch, gall bladder
ii) Stomach, liver, pancreas, salivary gland
iii) Tongue, absorption, taste, swallow
iv) Oesophagus, small intestine, large intestine, rectum

Q.

What is the layer which saves us from hydrochloric acid ?

Q. What is the difference between mucus and mucous?

Q. The bag like structure that receive food from food pipe is known as ________ .

1. Liver
2. Stomach
3. Small intestine
4. Mouth

Q. What is mucus( inside our nose) is?

Q. The inner lining of the stomach secretes

1. Hydrochloric acid
2. Digestive juices
3. Bile
4. Mucus

Q. The stomach releases _______juice which acts on food brought in by the oesophagus.

1. bile
2. salivary
3. pancreatic
4. gastric

Q. The mechanical breakdown of food is carried out by _____________.

1. 
   tongue
2. 
   teeth
3. 
   gums
4. 
   saliva

Q. What are the end -product of digestion of:

1. Proteins
2. Fats
3. Starch
4. All of above

Q.

Question 1 (c)
Fill in the blanks:
(c) The stomach releases hydrochloric acid and __ juices which act on food.

Q.

Lining of the stomach is protected by

Q. Digestive glands seen in human beings are

1. Gall bladder, liver and pancreas
2. Liver, pancreas and vermiform appendix
3. Pancreas, salivary gland and liver
4. Colon, salivary gland and liver

Q. Lining of the stomach is protected by ________ .

1. villi
2. mucous
3. digestive juices
4. bile juice

Q.

Question 9 (iii)
Which part of the digestive canal is involved in:
(iii) killing of bacteria __.

Q. Raju got stomach ache. Which of the following could be a reason?

1. He ate food at seven in the evening.
2. He drank water after eating food.
3. He did not wash his hands properly after eating food.
4. He did not chew the food properly.

Q. The _____________ protects our stomach from getting burnt by hydrochloric acid.

1. digestive juice
2. mucus lining

Q. Which among the following protects the inner lining of stomach?

1. Gastric juice
2. Saliva
3. Mucus
4. Bile

Q.

Lining of the stomach is protected by __.

Q.

Question 5
The acid present in the stomach

(a) Kills the harmful bacteria that may enter along with the food.
(b) Protects the stomach lining from harmful substances.
(c) Digests starch into simpler sugars.
(d) Makes the medium alkaline.

Q.

Lining of the stomach is protected by __.

Q. most of the digestion occurs in the stomach?

Q. Liver secretes which helps in the digestion of fats.

1. amylase
2. protease
3. bile