Free Digestion And Absorption (Weekly Quiz: 2) NEET Biology Questions & Answers with Detailed Explanation & Full Review

Free Digestion And Absorption (Weekly Quiz: 2) Time:

Question-1

Which of the following monomers are produced, when lipids are broken down by lipase?
  1. Nucleotides
  2. Amino acids
  3. Glycerol
  4. Fatty acids

(a)

(b)

(c)

(d)

Explanation:

Answer: (a)

The end products of fat digestion are fatty acids and glycerol.


Question-2

Refer the given figure and answer the questions. This figure shows the diagrammatic representation of T.S of gut with few structures marked as 1, 2, 3 and 4

digestion-and-absorption-class-11-Chapter-16-neet-mcq-quiz-pdfWhich of the following part is made up of a thin mesothelium with some connective tissue?

(a)

(b)

(c)

(d)

Explanation:

Answer: (b)

Structure 1 is serosa. Serosa is the outermost layer in the wall of alimentary canal from oesophagus to rectum. It is made up of thin mesothelium (epithelium of visceral organs) with some connective tissues.


Question-3

Calcium deficiency occurs in the absence of vitamin

(a)

(b)

(c)

(d)


Question-4

Pancreatic juice takes part in digestion of

(a)

(b)

(c)

(d)


Question-5

Where does the oblique muscle layer situated in human alimentary canal?

(a)

(b)

(c)

(d)


Question-6

Bile juice contains all except

(a)

(b)

(c)

(d)


Question-7

Which process transported the bolus into the pharynx and then into the oesophagus?

(a)

(b)

(c)

(d)

Explanation:

Answer: (b)

Deglutition (swallowing) is a succession of muscular contractions from above downward or from the front backwards. It propels food into the pharynx and then into the oesophagus. Peristalsis is the involuntary constriction and relaxation of the muscles of the intestine or another canal, creating wave-like movements which pushes the contents of the canal forward. Vomiting is the ejection of stomach contents through the mouth. A feeling of nausea precedes vomiting.


Question-8

Mucus in saliva helps in lubricating and adhering the masticate food particle into a ____________ in buccal cavity

(a)

(b)

(c)

(d)


Question-9

The structure which prevents entry of good into windpipe during swallowing in mammals is

(a)

(b)

(c)

(d)


Question-10

Rennin acts on

(a)

(b)

(c)

(d)


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