Alimentary Canal

Q.

(a) Draw a labelled diagram of the human digestive system. With the help of this diagram, describe the process of digestion of food in man (humans).
(b) Describe one way in which the small intestine is adapted for the absorption of digested food.
(c) What is the special name of the contraction and expansion movement which pushes the food further in our digestive tract (or alimentary canal)?

Q.

Which of the following gives the correct order for food as it passes through the organs of the digestive system?

1. Mouth, epiglottis, liver, stomach, pancreas, small intestine, large intestine, anus

2. Mouth, pharynx, oesophagus, stomach, small intestine, large intestine, anus

3. Oesophagus, epiglottis, stomach, liver, small intestine, large intestine, anus

4. Mouth, oesophagus, stomach, gall bladder, pancreas, large intestine, small intestine, anus

Q. Explain the process of digestion in the alimentary canal of human beings in detail.

Q.

(a) Name the main organs of the human digestive system. Also name the associated glands.
(b) How do carbohydrates, fats and proteins get digested in human beings?

Q.

Question 4
Which is the correct sequence of parts in a human alimentary canal?

(a) $Mouth\to stomach\to smallintestine\to oesophagus\to largeintestine$
(b) $Mouth\to oesophagus\to stomach\to largeintestine\to smallintestine$
(c) $Mouth\to stomach\to oesophagus\to smallintestine\to largeintestine$
(d) $Mouth\to oesophagus\to stomach\to smallintestine\to largeintestine$​​​​

Q.

Which of the following glands is NOT associated with alimentary canal?

1. Salivary glands

2. Liver

3. Pancreas

4. Adrenal

Q.

Which of the following is the correct sequence of parts as they occur in the human alimentary canal ?

(a) Mouth $\to$ Stomach $\to$ Small intestine $\to$ Oesophagus $\to$ Large intestine
(b) Mouth $\to$ Oesophagus $\to$ Stomach $\to$ Large intestine$\to$ Small intestine
(c) Mouth $\to$ Stomach $\to$ Oesophagus $\to$ Small intestine $\to$ Large intestine
(d) Mouth $\to$ Oesophagus $\to$ Stomach $\to$ Small intestine $\to$ Large intestine

Q.

Label the diagram of digestive system;

1. 1- Mouth, 2- Pharynx , 3- Oesophagus , 4- Stomach, 5- Jejunum, 6- Small Intestine, 7- Anus

2. 1- Pharynx, 2- Mouth , 3- Oesophagus , 4- Stomach, 5- Colon, 6- Small Intestine, 7- Anus

3. 1- Pharynx, 2- Mouth , 3- Oesophagus , 4- Stomach, 5- Large Intestine, 6- Duodenum, 7- Anus

4. 1- Mouth, 2- Pharynx , 3- Oesophagus , 4- Stomach, 5- Small Intestine , 6- Large Intestine, 7- Anus

Q. The nature of digestive tract in different vertebrates vary based on their _______ .

1. lifestyle
2. feeding habits
3. body structure
4. habitat

Q.

What is the digestive process in order?

Q.

Question 74
Describe the alimentary canal of man.

Q. Which part of the digestive system connects the mouth(or buccal cavity) to the stomach?

1. Anus
2. Gallbladder
3. Small intestine
4. Oesophagus

Q. What is the function of rectum?

Q. Which of the following are secreted by gastric glands?

1. Hydrochloric acid
2. Pepsinogen
3. Trypsin
4. Mucus

Q. What causes movement of food inside the alimentary canal?

Q.

Which of the following glands secrete digestive juices?

1. Salivary glands

2. Liver

3. Pancreas

4. All of these

Q.

Does digestion complete in the small intestine or large intestine?

Q.

Name the glands associated with the digestion of carbohydrates in the human alimentary canal and mention their role ?

Q. What causes movement of food inside the alimentary canal?

Q. Write a short note on large intestine.

Q. Bile and pancreatic ducts open into

1. Large intestine
2. Stomach
3. Colon
4. Small intestine

Q.

Question 77
Draw the diagram of the alimentary canal of man and label the following parts.
Mouth, Oesophagus, Stomach, Intestine

Q. Label the following parts of the human digestive system.

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

Q.

Give one word for the organ where urea is formed.

Q. The food is prevented from entering the by a flap-like valve.

1. windpipe
2. food pipe
3. nose

Q. Match the labelled parts I, II, III & IV in the given figure of human alimentary canal given in column-I with their secretions in column II and select the correct option.



$\begin{array}{cccc}& \text{Column-I}& & \text{Column-II}\\ \left(a\right)& \text{I}& \left(i\right)& \text{Bile juice}\\ \left(b\right)& \text{II}& \left(ii\right)& \text{Intestinal juice}\\ \left(c\right)& \text{III}& \left(iii\right)& \text{Pepsinogen}\\ \left(d\right)& \text{IV}& \left(iv\right)& \text{Trypsin}\end{array}$

1. $a\left(iii\right),b\left(iv\right),c\left(i\right),d\left(ii\right)$
2. $a\left(iv\right),b\left(ii\right),c\left(i\right),d\left(iii\right)$
3. $a\left(ii\right),b\left(iv\right),c\left(iii\right),d\left(i\right)$
4. $a\left(i\right),b\left(iii\right),c\left(ii\right),d\left(iv\right)$

Q.

Bile juice is stored in

1. Pancreas

2. Liver

3. Gallbladder

4. Mouth

Q.

Label the diagram of digestive system;

1. 1- Pharynx, 2- Mouth , 3- Oesophagus , 4- Stomach, 5- Large Intestine, 6- Duodenum, 7- Anus

2. 1- Mouth, 2- Pharynx , 3- Oesophagus , 4- Stomach, 5- Small Intestine , 6- Large Intestine, 7- Anus

3. 1- Mouth, 2- Pharynx , 3- Oesophagus , 4- Stomach, 5- Jejunum, 6- Small Intestine, 7- Anus

4. 1- Pharynx, 2- Mouth , 3- Oesophagus , 4- Stomach, 5- Colon, 6- Small Intestine, 7- Anus

Q. Assertion :Tongue is a gustatoreceptor. Reason: Receptors for gustatory sensation are located in the taste bud.

1. Both Assertion and Reason are correct and Reason is the correct explanation for Assertion.
2. Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion.
3. Assertion is correct but Reason is incorrect.
4. Both Assertion and Reason are incorrect.

Q. The part of digestive system where no digestion occurs, is:

1. Duodenum
2. Oesophagus
3. Stomach
4. Mouth