Large Intestine

Q.

What type of digestive system do humans have?

Q. Write a short note on small intestine. [3 MARKS]

Q.

How many stomachs do humans have?

Q.

What is a radula ?

Q.

Question 9 (v)
Which part of the digestive canal is involved in:
(v) formation of faeces ___.

Q.

Question 3 (b)
Tick (√) mark the correct answer in each of the following:
(b) Water from the undigested food is absorbed mainly in the
(i) stomach (ii) food pipe (iii) small intestine (iv) large intestine

Q. The long tube-like structure connecting the mouth and the stomach is called ________ .

1. large intestine
2. oesophagus
3. small intestine
4. trachea

Q.

Why does dehydration take place during diarrhoea?

Q. ___________ are not digested by the human body.

1. Carbohydrates
2. Fats
3. Roughages
4. Proteins

Q. Arrange the process in large intestine in proper order.
I. Absorption of water
II. Absorption of ions and nutrients
III. Defecation

1. III $\to$ II $\to$ I
2. II $\to$ I $\to$ III
3. I $\to$ II $\to$ III
4. III $\to$ I $\to$ II

Q.

The large intestine absorbs_________.

1. Alcohol and water

2. Water, salts, and some vitamins

3. Bacteria and vitamins

4. Most nutrients important to maintaining homeostasis.

Q. Diarrhoea is caused due to

1. Infection
2. Indigestion
3. Poisoning
4. All of the above

Q. Human beings ingest food through buccal cavity.​

1. False
2. True

Q. Human beings ingest food through buccal cavity.​

1. False
2. True

Q.

Which one of the following does not secrete any enzyme?

1. Stomach

2. Small intestine

3. Large intestine

4. Mouth

Q. Identify the muscular organ of the digestive system which receives food from the oesophagus.

1. 
2. 
3. 

Q.

Do you think the microorganisms in the large intestine have a role other than producing in odour in the faeces?

Q.

Which of the following is a region of the large intestine?

1. Colon

2. Duodenum

3. Ileum

4. Gall bladder

Q. If a doctor injects us us we bleed but why not with the mosquitoes even if they bite us with their needle like nose !?,

Q.

Human faeces are mostly composed of

1. Water

2. Enzymes

3. Live bacteria

4. Plasma

Q.

Amoeba use _____________ to ingest food by a method known as phagocytosis.

1. Pseudopodia

2. Podia

3. Parapodia

4. Peripodia

Q. Human beings ingest food through buccal cavity.​

1. True
2. False

Q.

The large intestine consists of the ______.

1. Colon

2. Caecum

3. Rectum

4. Colon, caecum, rectum and anus

Q.

Do you think the microorganisms in the large intestine have a role other than producing odour in the faeces

Q. .......... helps in digesting the food.

1. Swallowing of food
2. Chewing of food
3. Tasting the food
4. None of the above

Q. In which part of the digestive system is water absorbed from undigested food?

Q. is the simplest sugar molecule and the fuel for our body.

1. Glucose
2. Cellulose
3. Starch

Q. Identify whether the following statements are true or false:

Q. Main parts of alimentary canal are the mouth, _________, Oesophagus, stomach, small intestine, large intestine, rectum and anus.

1. Pancreas
2. Liver
3. Pharynx
4. Gall Bladder

Q. Write a short note on oesophagus. [3 MARKS]