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Class 11 Biology
Digestion And Absorption
Quiz 1
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Which part of brain causes nausea?
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Pons
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Hypothalamus
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Parietal lobe
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Medulla
Explanation
Medulla
Correct enzyme-substrate pair is
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Maltose-lactase
0%
Protein-amylase
0%
Carbohydrate-lipase
0%
Casein-rennin
Explanation
Casein-rennin
Peyers patches found in the small intestine are
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Epithelial tissue
0%
Glandular tissue
0%
Lymphatic tissue
0%
Haemopoietic tissue
Explanation
Lymphatic tissue
During prolonged fasting, in what sequence are the following organic compounds used up by the body?
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First carbohydrates, next proteins and lastly lipids
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First carbohydrates, next fats and lastly proteins
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First fats, next carbohydrates and lastly proteins
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First proteins next lipids and lastly carbohydrates
Explanation
First carbohydrates, next fats and lastly proteins
In glycolysis ultimately
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starch is converted into glucose
0%
glucose is converted into fructose
0%
protein is converted into glucose
0%
glucose is converted into pyruric acid
Explanation
glucose is converted into pyruric acid
If for some reason our goblet cells are non-functional this will adversely affect
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Smooth movement of food down the intestine
0%
Production of somatostatin
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Secretion of sebum from the sebaceous glands
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Maturation of sperms
Explanation
Smooth movement of food down the intestine
The HCl in gastric juice converts:
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Disaccharide to monosaccharide
0%
Pepsinogen to pepsin
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Prorennin to rennin
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Polypeptide to peptide
Explanation
Pepsinogen to pepsin
Which enzyme is used in alcoholic fermentation of yeast?
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Maltase
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Invertase
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Sucrase
0%
Zymase
Explanation
Zymase
Assimilation means
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utilising the water taken by body
0%
accumulating the food for digestion
0%
utilisation of absorbed substances
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collecting wastes left after the absorption of required nutrients
Explanation
utilisation of absorbed substances
The pH scale is used to measure
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Electric charge on ion
0%
Speed with which ions form
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Size of ions
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Concentration of hydrogen ions in a solution
Explanation
Concentration of hydrogen ions in a solution
Which of the following part of human intestine hosts microorganisms?
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Colon
0%
Caecum
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Anus
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Rectum
Explanation
Caecum
Duct leading from parotid gland and opening into vestibule is
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Wolffian duct
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Stensons duct
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Haversian duct
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Infra-orbit duct
Explanation
Stensons duct
Which organ is most affected by jaundice?
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Pancreas
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Liver
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Stomach
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Intestine
Explanation
Liver
Globet cells of intestinal mucosal epithelium secrete
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mucus
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cholesterol
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peptones
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bilirubin
Explanation
mucus
Emulsification of fat takes place through
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Liver enzymes
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Bile pigments
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Bile salts
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Enzymes of small intestine
Explanation
Bile salts
Epithelial cells of the intestine involved in food absorption have on their surface
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phagocytic vesicles
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pinocytic vesicles
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microvilli
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zymogen granules
Explanation
microvilli
Carrier ions like Na+ facilitate the absorption of substances like
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Fructose and some amino acids
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Amino acids and glucose
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Glucose and fatty acids
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Fatty acids and glycerol
Explanation
Fructose and some amino acids
The glucose is converted into glycogen in liver and stored in
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Liver and spleen
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Liver and muscle
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Liver
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Spleen and muscles
Explanation
Liver
Small projections of upper surface of tongue are called
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fimbriae
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pilli
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papillae
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cilia
Explanation
papillae
Sweetest sugar is
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Fructose
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Sucrose
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Glucose
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Lactose
Explanation
Fructose
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