Human digestive system notes pdf in English

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Human digestive system notes pdf in English:- Today we are sharing Human digestive system notes pdf in English. This Human digestive system notes pdf in English for upcoming examination like NEET, JEE, NTPC, SSC CGL, LIC, REET, UPPSC, MPTET, DSSSB, RPSC, UPSC, DRDO, DDA, AAI, SSC GD, ALL STATE PCS EXAM. Human digestive system notes pdf in English and important questions Human digestive system notes pdf in English which Will be helpful for you in preparing for the exams. Keep watching the updates on this website every day, here the notes and questions are updated daily, if you need notes/questions on any subject or topic, then you can contact our team. pdfdownload.in The team is looking forward to supporting you.

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Every exam you will get at least 20-25 questions from Human digestive system notes pdf in English. So candidates must focus on the Human digestive system notes pdf in English and answers in Hindi pdf 2022 For SSC Bank and download this GK Book to get important questions with the best solutions. We have put all Previous Year Questions of GK that are Asked in various Govt & Private Exam.

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Most Important Human digestive system Question Answer

Q 1. The enzymes present in pancreatic juice are

(a) Amylase, Trypsinogen, Peptidase, Rennin

(b) Trypsinogen, Lipase, Amylase, Procarbo­xypeptidase

(c) Peptidase, Pepsin, Amylase, Rennin

(d) Maltase, Amylase, Trypsinogen, Pepsin

Answer: (b)

Q 2. Which of the following hormones stimulates the production of pancreatic juice and bicarbonate?

(a) Insulin and glucagon

(b) Cholecystokinin and secretin

(c) Gastrin and insulin

(d) Angiotensin and epinephrine

Answer: (b)

Q 3. Infants’ gastric juice contains

(a) nuclease, pepsinogen, lipase

(b) maltase, pepsinogen, rennin

(c) amylase, rennin, pepsinogen

(d) pepsinogen, lipase, rennin

Answer: (d)

Q 4. The absorption of fructose by intestinal mucosa is

(a) co-­transport mechanism

(b) simple diffusion

(c) facilitated transport

(d) active transport

Answer: (c)

Q 5. Carboxypeptidase requires _______ for its activity

(a) copper

(b) niacin

(c) iron

(d) Zn

Answer: (d)

Q 6. Na+ and other carrier ions facilitate absorption of

(a) amino acids and fructose

(b) fatty acids and glycerol

(c) fatty acids and glucose

(d) amino acids and glucose

Answer: (d)

Q 7. Secretin and cholecystokinin are secreted in

(a) pyloric region

(b) Ileum

(c) duodenum

(d) Oesophagus

Answer: (c)

Q 8. Which of the following hydrolytic enzymes act in low pH?

(a) Peroxidases

(b) Hydrolases

(c) Amylases

(d) Proteases

Answer: (d)

Q 9. Which of the following is synthesized and stored in the liver cells?

(a) Galactose

(b) Lactose

(c) Glycogen

(d) Arabinose

Answer: (c)

Q 10. The disease caused due to deficiency of nicotinic acid is

(a) anaemia

(b) osteomalacia

(c) xerophthalmia

(d) pellagra

Answer: (d)

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Most Important Human digestive system Question Answer

Q 1. Which of the following is not a major component of our food?
a) Carbohydrates
b) Proteins
c) Fats
d) Minerals
Answer: d
Explanation: Minerals doesn’t belong to the category of major components of food. Carbohydrates are most required by the body to meet the energy requirements. Proteins are next important for meet growth requirements of the body. Fats are required by the body for insulation of organs as well as to energy requirements in absence of carbohydrates in the diet.
Q 2. Trachea serves as a common passage for food and air.
a) True
b) False
Answer: b
Explanation: Pharynx serves as a common passage for food and air. Oral cavity leads to short pharynx followed by esophagus which is the food pipe. Trachea is the wind pipe.

Q 4. The process of conversion of complex food substances into simple absorbable forms _________
a) Digestion
b) Excretion
c) Respiration
d) Circulation
Answer: a
Explanation: Digestion is the process of conversion of food substrates into digestible form. Excretion is the process of release of undigested and required wastes of the body. Respiration is the process of exchange of O2 from atmosphere with CO2 produced by the cells. Circulation is the process of transport of connective tissues blood in the body and the elements it carries.
Q 5. Statement A: The opening of wind pipe is called gastro-esophageal sphincter.
Statement B: Its covering prevents the entry of food.
a) Both the statements are true
b) Both the statements are false
c) Statement A is true but Statement B is false
d) Statement B is true but Statement A is false
Answer: d
Explanation: Trachea is the wind pipe. It has a cartilaginous flap called epiglottis. It prevents the entry of food into the glottis during swallowing.

Q 6. Statement A: Water is important for repair of tissues.
Statement B: It also prevents dehydration of the body.
a) Both the statements are true
b) Both the statements are false
c) Statement A is true but Statement B is false
d) Statement B is true but Statement A is false
Answer: c
Explanation: Food is important for the repair of tissues as well as their growth. Water is essential for metabolic processes. It also prevents dehydration of the body. Body is made up of 70% water.
Q 7. Humans have acrodont form of dentition.
a) True
b) False
Answer: b
Explanation: Humans have thecodont type of dentition. In this type, each tooth is embedded in the socket of jaw bone. Acrodont type of dentition is found in fish and amphibians. In this form of dentition teeth are attached to the top surface of the jaw bone.
Q 8. Statement A: The alimentary canal begins with an anterior opening-the anus.
Statement B: The alimentary canal ends with a posterior opening-the mouth.
a) Both the statements are true
b) Both the statements are false
c) Statement A is true but Statement B is false
d) Statement B is true but Statement A is false
Answer: b
Explanation: The alimentary canal is the part of digestive system in the movement of food takes places. It begins with an anterior opening–the mouth. It ends with the posterior opening–the anus.
Q 9. Which portion of stomach opens into small intestine?
a) Cardiac portion
b) Fundic portion
c) Pyloric portion
d) Body portion
Answer: c
Explanation: Stomach is J shaped bag like structure which temporarily stores food. It is divided into Fundus, Cardiac, Body and Pyloric regions. The pyloric region opens into the small intestine via Pyloric sphincter.
Q 10. The hard chewing surface of the teeth is ________
a) enamel
b) tongue
c) frenulum
d) papillae
Answer: a
Explanation: The hard chewing surface of the teeth is called enamel. Tongue is the freely movable muscular organ attached to the floor of oral cavity. Frenulum is the organ via with tongue is attached in the oral cavity. Papillae are small projections on the upper surface of tongue.

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