Human Digestive System

Q.

Draw a neat labeled diagram of intestine villi. [3 MARKS]

Q.

Statement 1: Bile pigment is formed in the liver by the breakdown of haemoglobin in dead RBCs.

Statement 2: Vitamins are not excreted along with urine.

1. Phenylalanine
2. Valine replacing glutamine
3. Tyrosine
4. Homogentisic acid

Q.

why are villi ideal sites for absorption of food?(3points)

Q.

The first part of the small intestine is U-shaped and is known as ___.

1. Duodenum

2. Ileum

3. Rectum

4. Cloaca

Q.

Pyloric sphincter is present between

1. Stomach and duodenum

2. Duodenum and ileum

3. Ileum and caecum

4. Ileum and large intestine

Q.

Which one of the following does not secrete any enzyme?

1. Stomach

2. Large intestine

3. Small intestine

4. Mouth

Q.

Match the following:

$\begin{array}{cc}\text{Column I}& \text{Column II}\\ \text{i. Larynx}& \text{a. Air sacs}\\ \text{ii. Trachea}& \text{b. Lid of larynx}\\ \text{iii. Alveoli}& \text{c. Voice box}\\ \text{iv. Epiglottis}& \text{d. Wind pipe}\end{array}$

1. i). c., ii). d., iii). a., iv). b

2. i). a., ii). d., iii). c., iv). b

3. i). c., ii). d., iii). b., iv). e

4. i). d., ii). b., iii). a., iv). c

Q.

The mucous membrane inside the ileum of the small intestine is folded forming finger-like projections called

1. Rectum

2. Villi

3. Bronchi

4. None of the above

Q.

The doctor has advised raj to reduce his intake of proteins because one of his organ is not functioning properly.can you name which organ it is?

Q.

The condition shown in the figure below is called ___ dentition.

Q.

what happens to food in stomach

Q.

Unscramble the following and match it with the parts labeled as A, B, C and D.

i. OPHAESOGUS

ii. OMASTCH

iii. ALLSM INTINETES

iv.LARGE INTINETES

1. A - i, B - ii, C - iii, D - iv

2. A - i, B - iii, C - iv, D - ii

3. A - i, B - ii, C - iv, D - iii

4. A - ii, B - iii, C - iv, D - i

Q.

The middle part of small intestine is________

1. Duodenum

2. Jejunum

3. Ileum

4. Pyloric region

Q.

Explain the following digestive organ and write its functions

1. large intestine

Q.

Which is the largest gland in our body?

1. Liver

2. Pituitary

3. Thymus

4. Pancreas

Q.

The answer for my question, that is " What is egestion " I understood the answer but I didn't understand the meaning of the word dut ?

Q.

Name the tissues found:

In the inner lining of the stomach.

Q. In the small intestine, only carbohydrates get broken down into absorbable forms.

1. True
2. False

Q.

The given picture depicts the surface of the small intestine. What is the main reason for it to be so convoluted?

1. It is to increase the surface area for absorption

2. It is to increase the grinding of food

3. It is to slow down the movement of food

4. It is to store food for emergency

Q.

Pick the odd one out:

1. Stomach

2. Average intestine

3. Large intestine

4. Small intestine

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

Q.

The following picture shows the different types of teeth present in your mouth. From the given options, select the option which matches with their name and function.

1. A - Incisor-Cutting and biting
   B - Canines- Chewing and grinding
   C - Premolars-Chewing and grinding
   D - Molars-Piercing and tearing

2. A - Incisor-Chewing and grinding
   B - Canines-Piercing and tearing
   C - Premolars-Cutting and biting
   D - Molars-Chewing and grinding

3. A - Incisor-Cutting and biting
   B - Canines-Piercing and tearing
   C - Premolars-Chewing and grinding
   D - Molars-Chewing and grinding

4. A - Incisor-Chewing and grinding
   B - Canines-Chewing and grinding
   C - Premolars-Piercing and tearing
   D - Molars-Cutting and biting

Q.

Unscramble the following and match it with the parts labeled as A, B, C and D.

i. OPHAESOGUS

ii. OMASTCH

iii. ALLSM INTINETES

iv.LARGE INTINETES

1. A - i, B - ii, C - iii, D - iv

2. A - i, B - iii, C - iv, D - ii

3. A - i, B - ii, C - iv, D - iii

4. A - ii, B - iii, C - iv, D - i

Q.

Which balloon among the following is not representing an accessory digestive organ?

1. Orange balloon

2. Blue balloon

3. Green balloon

4. Yellow balloon

Q.

Pancreatic juice does not contain any enzymes.

1. True
2. False

Q. Pancreatic enzymes work in a/an medium.

1. Acidic
2. Alkaline
3. Neutral