Structural and functional unit of contractile apparatus in striated muscle is called
Options
(a) cross bridge (b) myofibril (c) Z-band (d) sarcomere
Correct Answer:
sarcomere
Explanation:
Sarcomere is the functional unit of myofibril. […]
Structral lipids of cell membrane are
Options
(a) simple lipid (b) chromolipids (c) steroid (d) phospholipids
Correct Answer:
phospholipids
Explanation:
No explanation available. Be the first to write the explanation for this question […]
Storage of enzymes for the digestion of cellular components, proteins and carbohydrates is carried out by
Options
(a) mitochondria (b) lysosomes (c) centriole (d) ribosomes
Correct Answer:
lysosomes
Explanation:
No explanation available. Be […]
Stomatal movement is not affected by
Options
(a) CO₂ concentration (b) O₂ concentration (c) Light (d) Temperature
Correct Answer:
O₂ concentration
Explanation:
Light, temperature and concentration of CO₂ affect opening and closing […]
Stomata open at night in
Options
(a) hydrophytes (b) succulents (c) mesophytes (d) halophytes
Correct Answer:
succulents
Explanation:
No explanation available. Be the first to write the explanation for this question by […]
Stomata in grass leaf are
Options
(a) Barrel shaped (b) Rectangular (c) Kidney shaped (d) Dumb-bell shaped
Correct Answer:
Dumb-bell shaped
Explanation:
Grass being a monocot, has Dumb-bell shaped stomata in their leaves.
Starch and cellulose are the compounds of many units of
Options
(a) amino acids (b) glycerol (c) simple sugars (d) fatty acids
Correct Answer:
simple sugars
Explanation:
No explanation available. Be the first […]
Spindle fibres are found in cytoplasm, made up of
Options
(a) actin (b) tubulin (c) myosin (d) actinomysin
Correct Answer:
tubulin
Explanation:
No explanation available. Be the first to write the explanation for […]
Sphygmomanometer measure
Options
(a) Nerve conduction rate (b) Heart beat rate (c) Blood pressure (d) Pulse rate
Correct Answer:
Blood pressure
Explanation:
Blood pressure is measured in mm of mercury by an instrument […]
Sphaerosomes contain
Options
(a) cellulose reserve (b) protein reserve (c) lipid reserve (d) both protein and lipid
Correct Answer:
lipid reserve
Explanation:
No explanation available. Be the first to write the explanation for […]
2017 Copyright Doctor Dreams Training Academy