Transportation of Lipids

Q.

How does butter in your food gets digested and absorbed by the body?

Q.

Protein-coated fat globules are called

1. Bolus

2. Micelles

3. Chylomicrons

4. Chyle

Q. In vertebrates, lacteals are found in

1. ear
2. oesophagous
3. ischium
4. ileum

Q. Fatty acids are absorbed into the bloodstream by which of the following processes?

1. Active transport
2. Facilitated diffusion
3. Simple diffusion
4. Osmosis

Q. Fatty acids are absorbed into the bloodstream by which of the following processes?

1. Active transport
2. Facilitated diffusion
3. Simple diffusion
4. Osmosis

Q. List the organisms in which hepatic portal system is present.

Q.

Mucin present in saliva is:

1. Mucopolysaccharide

2. Mucoprotein

3. Monosaccharide

4. Derived protein

Q. Describe the process of digestion of proteins in the stomach.

Q. Meals which are rich in fat are not digested in the intestine in the absence of

1. Pepsin
2. Enterokinase
3. Steapsin
4. Insulin

Q. Which statement is correct with reference to chylomicron?

1. These are short chains of fatty acids absorbed directly into blood by diffusion
2. They are end product of fat digestion
3. The reconstructed triglycerides in the intestinal cells combine with phospholipids and cholesterol and are released into lymph in the form of protein-coated fat droplets called chylomicrons
4. This is the form in which digested fats are absorbed into intestinal cells

Q. Prostaglandins synthesized from

1. Amino acids
2. Fatty acids
3. Carbohydrates
4. Steroids

Q. Meals which are rich in fat are not digested in the intestine in the absence of

1. Pepsin
2. Enterokinase
3. Insulin
4. Pancreatic Lipase

Q. Chylomicrons are associated with

1. Absorption of fats
2. Digestion of fats
3. Digestion of proteins
4. Absorption of proteins

Q. Assertion :Digested and semi-digested food Is absorbed by body surface in tapeworms. Reason: Digestive organs are absent in tapeworms.

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. Prostaglandins are made from

1. Steroid
2. Carbohydrate
3. Amino acid
4. Fatty acid

Q. Amino acids are absorbed

1. by facilitated transport in duodenum and, jejunum
2. by active transport in duodenum and jejunum
3. by active transport in jejunum and ileum
4. by simple diffusion injejunum and ileum

Q. Digested lipids are absorbed from lacteals as:

1. Triglycerides
2. Diglycerides
3. Monoglycerides
4. Free fatty acids

Q. Which one of the following statements is true regarding digestion and absorption of food in humans?

1. Oxyntic cells in our stomach secrete the proenzyme pepsinogen.
2. Fructose and amino acids are absorbed through intestinal mucosa with the help of carrier ions like Na⁺
3. Chylomicrons are small lipoprotein particles that are transported from intestine into blood capillaries
4. About 60% of starch is hydrolysed by salivary amylase in our mouth.

Q. Assertion :Starch is hydrolysed by ptyalin to maltose. Reason: Sucrase hydrolyses sucrose to lactose.

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. Lacteals are present in the ___________

1. stomach
2. small intestine
3. anus
4. large intestine

Q. Fatty acids which cannot be absorbed through the small intestine are coated with small proteins and form __.

Q.

Protein-coated fat globules are called

1. Micelles

2. Chylomicrons

3. Chyle

4. Bolus

Q. Assertion :Micelles are formed in the lumen of the gut Reason: Micelles help in absorption of fatty acid

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. What is the use of cholesterol?

Q. Enzyme phosphorylase is first of all discovered in guard cells by

1. Yin and Tung
2. Noggle
3. Scarth
4. All of the above

Q. Point out the odd one.

1. Rennin
2. Secretin
3. Calcitonin
4. Oxytocin

Q. digestion is completed in duodenum or lleum ? 1. duodenum 2.lleum 3.stomach 4.cloaca

Q. Fatty acids are absorbed into the bloodstream by which of the following processes?

1. Active transport
2. Facilitated diffusion
3. Simple diffusion
4. Osmosis