Digestive System in Humans
Trending Questions
What are the functions of bile juice?
Name three functions of water in the body. [3 MARKS]
i. P and R secrete and pour their digestive enzymes in Q for digestion whereas Q secretes HCl which kills germs in food.
ii. Digestion of both carbohydrates and proteins takes place in Q whereas digestion of only fats takes place in S.
iii. Q, R and S secrete digestive enzymes, but P only stores a digestive juice that emulsifies fats.
iv. S does not secrete any digestive enzymes but receives digestive enzymes of P, Q and R for complete digestion
of food.
v. If P is removed in a person, then he cannot digest fats present in his food.
vi. Q secretes digestive enzymes and mucus whereas R secretes digestive enzymes and hormones.
- (ii), (iv) and (v) only
- (iii) and (vi) only
- (iv), (v) and (vi) only
- (i), (iii) and (v) only
What is the function of secretin?
How do snakes take in food
- 2
- 4
- 6
- 8
Digestion in hydra is
Intracellular
Intercellular
Both A and B
None of these
Although bile juice has not digestive enzyme, it is still considered to be very important during digestion of food. Give two reasons..!
Cellulose-rich food substances are a good source of roughage in human beings because
Cellulose absorbed in the human blood and converts into fibres
The cellulose-digesting bacteria convert cellulose into fibres
Human beings do not have cellulose-digesting enzymes
Cellulose breaks down into smaller components which are egested as roughage
The process of removal of faecal matter from the body through the anus is known as _________ .
- assimilation
- egestion
- ingestion
- absorption
Which is shortest part of human digestive system?
Question 10
Write one similarity and one difference between the nutrition in amoeba and human beings.
What are the functions of Bile juices? [3 MARKS]
Is liver a digestive gland?
What is a gut ?
any 2 salts present in the bile; and their importance
- Assimilation, absorption, egestion, digestion
- Egestion, assimilation, absorption, digestion
- Digestion, absorption, assimilation, egestion
- Absorption, egestion, assimilation, digestion
- Tearing
- Biting
- Swallowing
- Chewing
- 1.5
- 2
- 3
- 0.5
Why is protein digesting enzymes in the stomach released as inactive enzymes or zymogen?
Digestion of food takes place with the help of food vacuole in Amoeba.
- True
- False
____________ is found in plant cell wall and acts as roughage in the body.
What does secretin do in the digestive system?
The buccal cavity and rectum are components of which organ system of our body?
Digestive system
Nervous system
Excretory system
Respiratory system
Read carefully the terms given below. Which of the following set is the correct combination of organs that do not carry out any digestive functions?
(a) Oesophagus, Large Intestine, Rectum
(b) Buccal cavity, Oesophagus, Rectum
(c) Buccal cavity, Oesophagus, Large Intestine
(d) Small Intestine, Large Intestine, Rectum
What occurs immediately after food leaves the stomach?
Which of the following conditions must be met to reduce weight?
The energy intake from food should be equal to the energy usage by body
The energy intake from food should be more than the energy used by the body.
The energy intake from food should be lesser than the energy used by the body.
Energy intake from food and energy consumption does not influence the weight put on by a person.
assimilation
egestion
ingestion
digestion
- Mouth only
- Stomach only
- Mouth and small intestine
- Stomach and small intestine
- It provides energy to carry out life processes.
- It enables living organisms to grow and develop.
- It enables the repair of damaged body parts.
- It is the mode of taking in food by only animals.
