Last seen: Jul 5, 2023
Correct answer: (2) sex-linked dominant
Correct answer: (4) 1: 2: 1
Correct answer: (2) b, a, c
Correct answer: (4) the ratio of number of X-chromosomes to the sets of autosomes
Correct answer: (2) cytosol
Correct answer: (4) 2
Correct answer: (2) Down's syndrome — 21st chromosome
Correct answer: (4) Colour blindness
Correct answer: (1) Sickle cell anaemia
Correct answer: (1) it expresses its effect both in homozygous and heterozygous condition
(i) – (c) (ii) – (a) (iii) – (d) (iv) – (b)
Liver secretes bile which helps in the emulsification of fats. Pancreas secretes pancreatic juice which emulsifies starch, proteins and fats.
(a) Liver secretes bile which gets stored in the gall bladder. Bile performs two functions: (i) Makes the acidic food coming from the stomach alk...
(a) Hydrochloric acid: It makes the medium of gastric juice acidic so that the enzyme pepsin can digest the proteins properly and also kills any bacte...
Pancreatic juice contains digestive enzymes Pancreatic Amylase, trypsin and lipase. Functions: (a) Pancreatic amylase: The enzyme amylase breaks...
The gastric juice contains three substances; hydrochloric acid, the enzyme pepsin and mucus. Functions: (a) Hydrochloric acid: It makes the medi...
(a) The carbon dioxide gas enters the leaves of the plants through the stomata present on their surface. (b) The water required by the plants for p...
(a) Saprophyte: Saprophytes are the organisms which obtain their food from dead plants (like rotten leaves), dead and decaying animal bodies, and othe...
(i) Saprophytic nutrition: It is that nutrition in which an organism obtains its food from dead organic matter of dead plants, dead animals and rotten...
(a) Plants obtain food by a process called photosynthesis. (b) Plants need nitrogen to make proteins and other compounds. They take up nitrogen fro...