881. Which one is not found in fatty acids in acylglycerols____________?
✅ B. C-25
Option A: C-6 Option B: C-25 Option C: C-26 Option D: C-30 Correct Answer : C-25 Read more
Biology MCQs – Page 45
882. The one that stores calcium is __________?
✅ C. Sarcoplasmic reticulum
Option A: Sarcolemma Option B: Sarcoplasm Option C: Sarcoplasmic reticulum Option D: Cytosol Correct Answer : Sarcoplasmic reticulum Read more
883. Which one of the following is most likely to occur in an animal during winter?
✅ D. Thermogenesis
Option A: Activation of sweat glands Option B: Dilation of skin blood vessels Option C: Panting Option D: Thermogenesis Correct Answer : Thermogenesis Read more
884. Which of the following occurs in anaerobic respiration but not in aerobic respiration?
✅ D. Production of ethanol from acetaldehyde
Option A: Release of CO2 Option B: Reduction of NAD Option C: Formation of ATP Option D: Production of ethanol from acetaldehyde Correct Answer : Production of ethanol from acetaldehyde Read more
885. helical structure is kept by the formation of _________ bonds among amino acids molecules?
✅ A. H bonds
Option A: H bonds Option B: Disulphide Bond Option C: Ionic bond Option D: Hydrophobic bonds Correct Answer : H bonds Read more
886. Which of the following are triploblastic and acoelomate?
✅ C. Platyhelminthes
Option A: Sponges Option B: Annelida Option C: Platyhelminthes Option D: Aves Correct Answer : Platyhelminthes Read more
887. The food of hydra consists of___________?
✅ D. Small crustaceans
Option A: Humus Option B: Detritus Option C: Dead microscopic animals Option D: Small crustaceans Correct Answer : Small crustaceans Read more
888. Membranes of the grane are sites where?
✅ C. Sunlight is trapped
Option A: Oxygen is stored Option B: Food is stored Option C: Sunlight is trapped Option D: CO2 is stored. Correct Answer : Sunlight is trapped Read more
889. Antibodies play important role against microorganisms and other pathogens to which type of proteins do they belong________?
✅ A. Globular proteins
Option A: Globular proteins Option B: Fibrous Proteins Option C: Both a and b Option D: None of these Correct Answer : Globular proteins Read more
890. The simplest of oxygen producting photosynthetic organisms are____________?
✅ C. Cyanobacteria
Option A: Algae Option B: Bacteria Option C: Cyanobacteria Option D: Chlamydomonas Correct Answer : Cyanobacteria Read more
891. Amphoixus is a__________?
✅ D. All of these
Option A: Chordate Option B: Protochordate Option C: Lower chordate Option D: All of these Correct Answer : All of these Read more
892. Which structural organization is most common in globular proteins____________?
✅ C. Tertiary
Option A: Primary Option B: Secondary Option C: Tertiary Option D: Quaternary Correct Answer : Tertiary Read more
893. Which of the following does not show quaternary structure____________?
✅ C. Fibrin
Option A: Haemoglobin Option B: Pepsin Option C: Fibrin Option D: Insulin Correct Answer : Fibrin Read more
894. The windpipe or trachea lies?
✅ D. None of these
Option A: Dorsal to oesophagus Option B: Ventral to oesophagus Option C: Lateral to oesophagus Option D: None of these Correct Answer : None of these Read more
895. A bond formed by linkage between -OH of carboxyl group of one amino acid and H of amino group of another amino acid which releases water is called__________?
✅ C. Peptide bond
Option A: Phosphodiester linkage Option B: Glycosidic bond Option C: Peptide bond Option D: Hydrogen bond Correct Answer : Peptide bond Read more
896. Total number of amino acids in a hemoglobin molecule are__________?
✅ C. 574
Option A: 554 Option B: 564 Option C: 574 Option D: 584 Correct Answer : 574 Read more
897. Which structure of protein gives information aboutnumber and sequence of amino acids in it_______________?
✅ A. Primary structure
Option A: Primary structure Option B: Secondary structure Option C: Tertiary structure Option D: Quaternary structure Correct Answer : Primary structure Read more
898. Locomotory structures are not found in which of the following group?
✅ D. Apicomplexans
Option A: Amoebas Option B: Zooflagellates Option C: Ciliates Option D: Apicomplexans Correct Answer : Apicomplexans Read more
899. Hemoglobin molecule exhibits which structural organization of proteins___________?
✅ D. Quaternary structure
Option A: Primary structure Option B: Secondary structure Option C: Tertiary structure Option D: Quaternary structure Correct Answer : Quaternary structure Read more
900. In an aqueous environment the most stable tertiary conformation is that in which _________ amino acids are buried inside the conformation?
✅ A. Hydrophobic
Option A: Hydrophobic Option B: Hydrophilic Option C: Basic Option D: None of these Correct Answer : Hydrophobic Read more