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