Results HD Quiz powered by harmonic design #1. Depolarization during conduction of nerve impulse is due to Inward movement of K+ Inward movement of Na+ Outward movement of K+ Outward movement of Na+ #2. When glycerol reads with fatty acid, which type of chemical bond will form? Ether linkage Ester bond Hydrogen bond Ionic bond #3. Which option is correct about a chlorophyll molecule? Aldehyde group on second pyrrole ring Porphyrin ring with nitrogen in center Methyl group on second pyrrole ring Chemical formula is C55H70O6N4Mg #4. Which of the following hormone is responsible for the labor pains in human female at the time of birth of baby? Progesterone Estrogen Corticosteriod Oxytocin #5. Medulla oblongata is a part of: Forebrain Hippocampus Midbrain Hindbrain #6. Which feature is possessed by smooth muscles? Uni-nucleate Voluntary Branched Striated appearance #7. The formula calculating the frequency of genotypes and alleles in a population gene pool is known as: James Hutton equation Lamarck equation Darwin equation Hardy-Weinberg equation #8. Sarcomere is part of myofibril between: Two M lines Two I bands Two Z lines Two A bands #9. What is the percentage of H2O in bone cells? 70% 99% 66% 20% #10. Which of the following neurotransmitters is lying outside the CNS? Endorphins Acetylcholine Dopamine Gamma - Aminobutyric acid #11. Insulin converts glucose into Vitamins Lipids Cortisone Minerals #12. Due to process of follicle atresia: Follicle degenerates Follicles reach maximum size Follicle starts to mature Graafian follicle ovulates #13. Range of normal total lung capacity in humans is: 10-11 liters 8-9 liters 5-6 liters 12-13 liters #14. fluid secreted by sertoli cells provide liquid medium, protection and nourishment to: Sperms Polar body Spermatogonia Oocyte #15. Induced fit model of enzyme activity suggests that an enzyme Can bind to a single substrate Usually belongs to non-regulatory enzyme Cannot modify its active sites Can catalyze related reaction #16. Thick filaments in skeletal muscles are composed of: Myosin Tropomyosin Actin Troponin #17. Mono-saccharides have a general formula represented by: C(H2O)n C2(H2O)n Cn(H2O)n Cn(H2O)n #18. Which of the following is included in paired cranial bones? Vomer Occipital Temporal Frontal #19. The accumulation of ‘lactic acid’ in the muscles results in: Convulsion Extreme fatigue Muscle contraction Paralysis #20. Identify the correct pair of vestigial organs: Heart & Liver Ear muscles & Liver Vermiform appendix & Heart Ear muscles & Vermiform appendix #21. Posterior lobe of pituitary produce: ADH ACH TSH FSH #22. Which of the following process Is Involved in breakdown of protein into amino acids? Hydrolysis Condensation Fixation Glycolysis #23. Which monosaccharide will from a glucopyranose ring in solution? Glucose Ribose Fructose Deoxyribose #24. Enzyme NADP reductase is responsible for: Reducing Ferrodoxin Oxidizing NADP+ Reducing NADP+ Reducing P700 #25. Bone forming cells are Osteoblasts Osteocytes Osteoclasts Osteons #26. In the journey of electron from photosystem-II to photosystem-I plastocyanine is reduced by: Primary electron acceptor of PS-I Plastoquinone Cytochrome complex P700 #27. Which of the following is NOT a feature of Autonomic Nervous System? Regulate response of skeletal muscles Regulate response of visceral organs Regulate response of smooth muscles Regulate response of glands #28. Chromosomal abnormality in Turner syndrome is represented by? XXX XXY XYY XO #29. The change in frequency of alleles at a locus that occurs by chance is known as: Speciation Genetic drift Mutation Non random mating #30. Example of viruses having a polyhedral capsid that is with 252 capsomeres is: Adenovirus Tobacco Mosaic Virus Influenza Virus Bacteriophage #31. Which of the statements is NOT true about natural selection? It can improve the adaptation of species it affects variation that are heritable It is regional in nature It is selected by a breeder #32. The chromosomes were first observed by: Walther Griffith Mendel T.H Morgan #33. The hydrophilic end of phospholipld molecule Is polar because of the presence of: Amine group Phosphate group Glycerol Fatty acid #34. The main function of epididymis is to: Transport sperms Connect with urethra Hold the process of spermatogenesis Produce semen #35. Polysaccharides in plants are synthesized by the process of: Hydrolysis Oxidation Glycolysis Condensation #36. The idea of inheritance of acquired characteristics was presented by: Thomas Malthus Jean Baptist Lamarck Alfred Wallace Charles Darwin #37. Female reproductive system consists all of the following EXCEPT Cervix Seminiferous tubules Ovaries Oviduct #38. The PS-II during light reactions receives electrons from splitting: Water Ferrodoxin Plastocyanin Plastoquinone #39. Which of the following increases variation within a gene pool? Chromosomes inversion Gene mutation Crossing over Random fusion of gametes #40. About 70% of carbon dioxide is carried in blood as: Carbonate Tricarbonates Carbonic anhydrase Bicarbonates #41. Corpus luteum during female reproductive cycle produces LH Testosterone Progesterone FSH #42. The causative organism of Measles is: Paramyxovirus Poxvirus Picornovirus Papovirus #43. In human myelinated fibers nerve impulse travels at __________ m/s 190-210 100-120 130-150 160-180 #44. Which of the following is INCORRECT regarding rate of enzymatic action All enzymes work at their maximum rate at optimum pH All enzymes work at their maximum rate at optimum temperature Increase in enzyme concentration increases the rate Increase in enzyme concentration decreases the rate #45. Which of the following skeletal disorder is an example of autoimmune disorder? Spondolysis Sciatica Rickets Rheumatoid arthritis #46. Which of the following is the function of Golgi Complex? Autolysis Autophagy Processing of cell secretions Intracellular digestion #47. In the life cycle of a bacteriophage, the lysozymes are required in which of the following steps of infection process? Genome injection Replication Adsorption Penetration #48. Nissl’s granules are groups of: Chromosomes Mesosomes Lysosomes Ribosomes #49. Immediate next stage of spermatogonia differentiation is: Primary spermatocytes Sperms Secondary spermatocytes Spermatids #50. The nucleus takes dyes due to the presence of: Lipid Metal ions Chromatin Thylakoids #51. __________ is transmitted through infected blood and hypodermic syringes HIV Influenza Virus Vibrio Cholerae (Cholera) Morbilli Virus (Measles) #52. Taste receptors are an example of: Chemoreceptors Photoreceptros Mechanoreceptors Nociceptors #53. Which of the following is NOT a bone in upper limb? Femur Humerus Radius Ulna #54. In Calvin cycle CO2 reacts with RuBP to produce: 3-PGA G3P 1,3 bisposphglycerate 6-carbon Unstable Intermediate #55. During non conducting stage, the neuron membrane is permeable to efflux of: Na+ K+ Ca+ Cl+ #56. The organelles only found at seeding stage in oil seed plants are: Vacuoles Glyoxiosomes Peroxiosomes Microbodies Previous Finish