Digestive System and Digestive Glands

Q.

What is the hardest part of the human body?

Q.

What are the 5 stages of the digestive system?

Q. The lining of the stomach is protected by ___.

1. mucous
2. hydrochloric acid
3. enzymes
4. pancreatic juice

Q. What is gut?

Q.

Which of the following gland(s) secrete(s) digestive juices?

1. Salivary glands

2. Liver

3. Pancreas

4. Hypothalamus

Q.

The gastric gland secretes gastric juice that contains ___.

1. hydrochloric acid

2. amino acid

3. mucus

4. pepsin

Q.

Why is less urine formed during summers even if a lot of water is taken?

Q.

What is the difference between the digestive tract and the alimentary canal?

Q. Which of the following is not a part of the alimentary canal?

1. Oesophagus
2. Stomach
3. Large intestine
4. Pancreas

Q.

___ prevents food from entering into the windpipe.

1. Epiglottis

2. Pharynx

3. Uvula

4. Palate

Q.

The enzyme lipase converts proteins into peptides.

1. True

2. False

Q.

Which of the following has no enzyme present in it?

1. Saliva

2. Bile

3. Gastric juice

4. Pancreatic juice

Q.

Difference between liver and pancreas.

Q.

Find the location(s) of salivary glands from the options given below.

1. In the lower jaw

2. Below the tongue

3. In the cheeks

4. In the upper jaw

Q.

Read the statements given below and choose the correct option-

Assertion: Pancreatic Juice Digests Starch, Proteins, and Fats.

Reason: Pancreatic Juice Contains Digestive Enzymes like Pancreatic Amylase, Trypsin, and Lipase.

1. Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion.

2. Both Assertion and Reason are correct and Reason is the correct explanation for Assertion.

3. Both Assertion and Reason are incorrect.

4. Assertion is correct but Reason is incorrect.

Q. Which is the largest gland in human body?

1. Liver

2. Pancreas

3. Pituitary gland

4. Pineal gland

Q.

Which of the following fatty acid is used to detect the spoilage of oil?

1. Oleic acid

2. Erucic acid.

3. Linolenic acid

4. None of these

Q.

How is defaecation different from excretion?

Q.

What are taste buds?

Q.

From the image below, which of the following statement(s) is/are correct?

1. The red colour in test tube A is due to the presence of starch

2. The blue-black colour in the test tube B is due to the presence of starch

3. The enzyme action is seen in test tube A

4. The enzyme action is seen in test tube B

Q. Match the correct enzyme with their substrate.

1. Protein
2. Fat
3. Starch

Q.

Which of the following is secreted by the liver?

1. Bile juice

2. Mucus

3. Pancreatic juice

4. Hydrochloric acid

Q.

Excretion process involves

1. removal of nitrogenous waste

2. removal of byproducts of anabolism and catabolism

3. removal of bile pigments

4. All of the above

Q.

Statement 1: Dentine of the tooth consists of dead tissues.

Statement 2: Enamel is the softest part of the tooth and consists of living tissue.

1. Statement 1 is false and statement 2 is true

2. Both the statements are true

3. Both the statements are false

4. Statement 1 is true and statement 2 is false

Q.

Buccal cavity, food pipe, stomach, small intestine, and large intestine are a part of ___.

1. Digestive system

2. Nervous system

3. Respiratory system

4. Excretory system

Q.

Which of the following is/are digestive gland(s)?

1. Liver

2. Stomach

3. Pancreas

4. Kidney

Q.

Gastric juice is secreted by __________.

1. Liver

2. Pancreas

3. Thymus

4. Pituitary

Q.

Which of the following secrete saliva?

1. Salivary glands

2. Rectum

3. Liver

4. Stomach

Q.

________ closes the windpipe at the time of swallowing food.

1. Glottis

2. Epiglottis

3. Trachea

4. Larynx

Q.

Observe the given picture carefully and match A, B and C with their correct name and function:

$\begin{array}{ccc}Organ& Name& Function\\ A& Pancreas& Storesbile\\ B& Gallbladder& Pancreaticjuice\\ C& Liver& Secretesbile\end{array}$

1. A - Liver - secretes pancreatic juice,
   B - Gall bladder - stores bile,
   C - Pancreas - secretes bile
2. A - Liver - stores bile,
   B - Gall bladder - secretes bile,
   C - Pancreas - secretes pancreatic juice
3. A - Liver - secretes bile,
   B - Gall bladder - stores bile,
   C - Pancreas - secretes pancreatic juice
4. A - Liver - secretes bile,
   B - Pancreas - secretes pancreatic juice,
   C - Gall bladder - secretes bile