#1
February 10th, 2016, 04:59 PM
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BCECE Question Papers Free Download
Sir I want the Bihar Combined Entrance Competitive Examination Board (BCECEB BCECE question papers for Bio-logy so can you please provide me the same
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#2
February 10th, 2016, 05:00 PM
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Re: BCECE Question Papers Free Download
Hey buddy below I am giving you the Bihar Combined Entrance Competitive Examination Board (BCECEB BCECE question papers for Bio-logy 1. Glucose and amino acids are reabsorbed in the A. proximal tubule B. distal tubule C. collecting duct D. loop of Henle 2. The amount of CSF in the cranial cavity A. 500 ml B. 140 ml C. 1 litre D. 1.5 ml 3. Which one is imino acid? A. Pepsin B. Proline C. Cysteine D. Renin 4. The main difference between Gram positive and Gram negative bacteria is A. Cell membrane B. Cell Wall C. Ribosome D. Mitochondria 5. ACTH is secreted from A. Adrenal cortex B. Pituitary C. Adrenal Medulla D. Thyroid 6. Which of the following is the correct pathway for propagation of cardiac impulse ? A. SA node AV node Bundle of His Purkinje fibers B. AV node Bundle of His SA node Purkinje fibers C. SA node Purkinje fibers AV node Bundle of His D. Purkinje fibers AV node SA node Bundle of His 7. Inner surface of the bronchi, bronchioles and fallopian tubes are line by A. cubical epithelium B. columnar epithelium C. squamous epithelium D. ciliated epithelium 8. Electric potential of the brain is recorded by A. CT Scan B. Sphygmomanometer C. ECG D. EEG 9. Which of the following is related to humoral immunity ? A. T-lymphocyte B. B-lymphocyte C. I-lymphocyte D. P-lymphocyte 10. Fertilization occur in A. Uterus B. Ureter C. Vagina D. Fallopian tube 11. The Gastrin is secreted from A. Intestine B. Stomach C. Pancreas D. Rectum _____________Download from JBigDeaL | www.jbigdeal.com is now www.jbigdeal.in Powered By © JbigDeaL____________ 12. The cause of cretinism is A. Hypothyroidism B. Hypoparathyroidism C. Hyperthyroidism D. Hyperparathyroidism 13. Which of the following is a minerelocorticoid ? A. Testosterone B. Progesterone C. Adrenalin D. Aldosterone 14. The part of the brain where the centre for hunge and thirst is located is A. Cerebrum B. Hypothalamus C. Cerebellum D. Medulla Oblongata 15. The reflex arc, which is made of two neurons is known as A. Monosynsptic reflex arc B. Disynaptic reflex arc C. Polysynaptic reflex arc D. Asynaptic reflex arc 16. The lactase hydrolyzes lactose into A. Glucose B. Glucose and galactose C. Fructose D. Glucose and fructose 17. In 24 hours, total glomerular filtrate formed in human kidney is A. 1.7 litres B. 7 litres C. 17 litres D. 170 litres 18. When the oxygen supply to the tissue is inadequate, the condition is A. Dyspnea B. Hypoxia C. Asphyxia D. Apnea 19. Which one of the following is not a second messenger in hormone action ? A. Calcium B. Sodium C. cAMP D. cGMP 20. The name of the pace maker of the heart is A. Lymph node B. S.A. node C. Juxtaglumerular apparatus D. Semilunar valve 21. What is a genophore ? A. DNA in prokaryotes B. DNA and RNA in prokaryotes C. DNA and protein in prokaryotes D. RNA in prokaryotes 22. Example of a typical homopolysaccharide is A. Ligin B. Suberin C. Inulin D. Starch 23. Who wrote the famous book "Origin of Species"? A. Larmarck B. Darwin C. De Vries D. Mendel 24. Polyploid derived from two different species is called A. Autopolyploid B. Triploid C. Allopolyploid D. Monoploid _____________Download from JBigDeaL | www.jbigdeal.com is now www.jbigdeal.in Powered By © JbigDeaL____________ 25. Electrons used in Electron Microscope are of the wavelength A. 0.05 Å B. 0.15 Å C. 0.25 Å D. 0.30 Å 26. Biolistic technique is used in A. Tissue culture process B. Gene transfer process C. Hybridization process D. Germplasm conservation process 27. Example of water soluble plant pigment is A. Chlorophyll-a B. Chlorophyll-b C. Anthocyanin D. Xanthophyll 28. Structure element of Chromatin is A. Histone B. Acid protein and DNA C. Nuclear matrix D. Nucleosomes 29. Inulin is a polymer of A. Glucose B. Galactose C. Fructose D. Arabinose 30. Mannitol is A. Amino acid B. Amino alcohol C. Sugar alcohol D. Sugar acid 31. A flower which can be divided into two equal halves by only one plane is A. Zygomorphic B. Actinomorphic C. Regular D. Perfect 32. Pieces of plant tissue used in tissue culture is called A. Explant B. Somaclone C. Inoculant D. Clone 33. VAM is A. Symbiotic bacteria B. Saprophytic bacteria C. Saprophytic fungi D. Symbiotic fungi 34. Ovule integument gets transformed into A. seed B. fruit wall C. seed coat D. cotyledons 35. Acid rain is caused by A. NO2 36. Which one of the following bacterium is used for production of transgenic plants ? A. Escherichia coli B. Bacillus thuringiensis C. Staphylococcus aureus D. Agrobacterium tumefaciens 37. A plant cell becomes turgid due to A. Plasmolysis B. Exosmosis C. Endosmosis D. Electrolysis B. SO2 _____________Download from JBigDeaL | www.jbigdeal.com is now www.jbigdeal.in Powered By © JbigDeaL____________ 38. Restriction enzymes are used to cut A. Single stranded RNA B. Double stranded DNA C. Single stranded DNA D. Double stranded RNA 39. Spindle fibre is made up of A. humulin B. intermediate filament C. flagellin D. tubulin 40. Edible part of Mushroom is A. Basidiocarp B. Primary mycelium C. Fungal hyphae D. Basidiospores 41. Calcium level decreases in the blood due to hyposecretion of A. Parathyroid hormone B. Calcitonin C. Thyroxine D. Adrenaline 42. Kupffer's cells are A. Phagocytic B. Mast cells C. Hormone secreting D. Digestive juice secreting 43. Which centre is stimulated during increase in body temperature ? A. Anterior hypothalamus B. Posterior hypothalamus C. Limbic system D. Red nucleus 44. Name the following having oxygen storing capacity A. Myoglobin B. Actin C. Myosin D. Fibrin 45. Longest phase of meiosis A. Prophase I B. Prophase II C. Anaphase I D. Metaphase II 46. Tetany is caused by A. Hyperparathyroidism B. Hypoparathyroidism C. Hyperthyroidism D. Hypothyroidism 47. Which of the following is a gastro intestine hormone ? A. Prolactin B. Enterokinase C. GH D. FSH 48. Name the hormone that has no role in menstruation. A. LH B. FSH C. GH D. TSH 49. Which of the following substances can cure Parkinson's disease ? A. GABA B. Acetylcholine C. Dopamine D. Glutamic acid 50. Movement of tongue muscle is controlled by A. facial nerve B. trigeminal nerve C. hypoglossal nerve D. vagus nerve _____________Download from JBigDeaL | www.jbigdeal.com is now www.jbigdeal.in Powered By © JbigDeaL____________ 51. Which function will be lost due to damage of occipital lobe ? A. Hearing B. Speech C. Vision D. Memory 52. Meissner's corpuscles occur is A. Brain B. Nerve cells C. Skin D. Tongue 53. Osteomalacia is a deficiency disease of A. Infants due to protein enertgy malnutrition B. Adults due to protein enertgy malnutrition C. Adults due to Vitamin D deficiency D. Infants due to Vitamin K deficiency 54. The gene of sickle cell anaemia is inherited by A. Blood cells B. Bone cells C. Sex chromosomes D. Autosomes 55. Ptyalin is inactivated by a component of gastric juice known as A. Pepsin B. Mucus C. Rennin D. HCl 56. Which one of the following human cells do not contain mitochondria ? A. Nerve cell B. Red blood cell C. Liver cell D. White blood cell 57. In which stage of the first meiotic division two sister chromatids are formed ? A. Leptotene B. Zygotene C. Pachytene D. Diplotene 58. Which one of the following triplet codons is a chain termination codon ? A. UGU B. AAU C. UUG D. UAG 59. How many pairs of contrasting characters in pea pod were chosen by Mendel ? A. 3 B. 5 C. 7 D. 9 60. If a cross between two individuals produces offsprings with 50% dominant character (A) and 50% recessive character (a) the genotype of parents are A. Aa × Aa B. Aa × aa C. AA × aa D. AA × Aa 61. Structural lipids of cell membrane are A. Simple lipid B. Chromolipids C. Steroid D. Phospholipids 62. Which one of the following is polysaccharide ? A. Glycogen B. Sucrose C. Lactose D. Maltose 63. What will be the codons in m-RNA if the DNA codes are ATG-CAG ? A. TAC – GTC B. UAC – GUC C. UCA – TUA D. TCA – GTC _____________Download from JBigDeaL | www.jbigdeal.com is now www.jbigdeal.in Powered By © JbigDeaL____________ 64. Which of the following species is restricted to a specific area ? A. Sibling species B. Allopatric species C. Sympatric species D. Endemic species 65. Which one of the following is NOT correctly matched ? A. Sycon – Canal system B. Star fish – Radial symmetry C. Ascaris – Flame cell D. Prawn – Haemocoel 66. Which one of the following animal phyla does not possess a coelom ? A. Platyhelminthes B. Annelida C. Mollusca D. Echinodermata 67. Cardiac muscles are A. Striated and voluntary B. Striated and involuntary C. Smooth and voluntary D. Smooth and involuntary 68. Which one of the following immunoglobulins is found as pentamer ? A. IgG B. IgM C. IgA D. IgE 69. Which one of the following cells is not a phagocytic cell ? A. Macrophage B. Monocyte C. Neutrophil D. Basophil 70. Which one of the following is the most primitive ancestor of man ? A. Homo habilis B. Australopithecus C. Rampithecus punjabicus D. Homo neanderthalensis 71. A female Anopheles mosquito can be recognized by A. Proboscis and palpi are long and more or less of equal length B. Proboscis long and palpi short C. Proboscis short and palpi long D. Both proboscis and palpi are short 72. The anterior V-spot in microfilaria of Wuchereria represents A. Nerve ring B. Cervical papilla C. Excretory System D. Reproductive system 73. In a population, unrestricted reproductive capacity is called A. Biotic potential B. Fertility C. Carrying capacity D. Birth rate 74. When the two ecosystems overlap each other, the area is called A. Habitat B. Niche C. Ecotone D. Ecotype 75. Pyramid of energy in ecosystems is A. Always upright B. Always inverted C. Mostly upright D. Mostly inverted _____________Download from JBigDeaL | www.jbigdeal.com is now www.jbigdeal.in Powered By © JbigDeaL____________ 76. Which one of the following is mainly responsible for green house effect ? A. SO2 77. Which one of the following is an exotic carp species ? A. Barbus stigma B. Cyprinus carpio C. Labeo bata D. Cirrhinus mrigala 78. Which of the following two hormones are essential for induced breeding of fishes? A. TSH and ACTH B. Oestrogen and progesterone C. FSH and LH D. Vassopressin and oxytocin 79. Which stage of malarial parasite is infective to man? A. Gametocyte B. Merozoite C. Cryptomerozoite D. Sporozoite 80. The scientific name of the moth which produce tasar is A. Bombyx mori B. Antheraea mylitta C. Antheraea assamensis D. Philosomia ricini B. CO2 _____________Download from JBigDeaL | www.jbigdeal.com is now www.jbigdeal.in Powered By © JbigDeaL____________ (Each question carries two marks) Ans. Also called cold blooded animals. Their body temperature changes according surrounding environment. These Ans. Functions : 1. What are poikilothermic animals ? animals are less active. e.g. all invertebrates, fishes, amphibians, reptiles. 2. Write two functions of juxtaglomerular apparatus. (i) Juxtaglomerular cells secretes Renin which through RAAS (Renin-Angiotensis Aldosterone System) help in absorption of Na+ (ii) Its Macula densa cells act as chemorecptor feeding information to JG cells. 3. State two differences between red and white muscle. from DCT and therefore increases Blood pressure. Ans. Difference between Red & White Muscle. Red Muscles White Muscles Ans. Ans. (i) Helps in Transport by active and passive processes. i) Rich in Myoglobin. i) Less myoglobin. ii) Mitochondria are more in number. ii) Less in number. iii) Less sarcoplasmic reticulum. iii) More sarcoplasmic reticulum. iv) Can carry out considerable aerobic respiration. v) Slow rate of contraction for long period. 4. What is the difference between pinocytosis and phagocytosis ? i) Bulk intake of fluid material by cell. i) Intake of solid material from outside to ii) Vesicles formed are small. ii) Large iii) Lysosome play no role. iii) Lysosomes are essential. 5. State four important functions of plasma membrane. (ii) Take part in Exocytosis and Endocytosis. 6. What is bioaccumulation ? Bioconcentration. Like in scallops maximum quantity of Zn, Cu, Cd and Cr deposited and in human beings maximum Iodide deposieted in thyroid glands. Phagocytosis Pinocytosis Ans. Different types of elements and compound deposited inside the living beings. Which is called Bioaccumulation or _____________Download from JBigDeaL | www.jbigdeal.com is now www.jbigdeal.in Powered By © JbigDeaL____________ Ans. When F1 Ans. Ribozymes are the RNA molecules (Non protein enzyme) that possess catalytic activity they function in RNA Ans. The association of fungi with the roots of higher plant, is called mycorrhizae. Mycorrhizal association fround in Ans. Hibiscus rosasinensis : 7. What is a test cross ? Why is it so named ? genotype of dominant individual. 8. What is ribozyme ? splicing reactions. 9. What are mycorrhizae? conifers plant. 10. Write down the scientific name of China rose plant. Give its floral formula. Br Epi7 progeny is crossed with recessive parent then it is called Test Cross. Test Cross helps to find out the k(5) C5 A( ) G(5– ) |
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