So get ready and gear up for *Free Tests*, Practice, Compete and Win Big with Unacademy. Question 26. Question 24. (b) Cochlea is the coiled portion of the labyrinth (fluid filled inner ear). (c) Restriction enzymes begin their action by first scanning the length of the DNA sequence and then recognizing a specific sequence. Match the following concerning essential elements and their functions in plants: (iii) Required for chlorophyll biosynthesis, (a) Iron - (iii) Required for chlorophyll biosynthesis. Aspirant can conduct free online topic wise self test series of NEET Biology … Robert May was a theoretical ecologist the established, who field of theoretical ecology and population biology. d) Gross primary productivity is always more than Net primary productivity. Equisetum produces strobili. NEET Paper Analysis 2020: The NEET 2020 paper was overall easy with questions from NCERT topics, according to NEET expert. Take a look: Likewise at BYJU’S, you may also refer to Question paper analysis of NEET of other years from the links provided below: Your email address will not be published. c)Glucocorticoids stimulate gluconeogenesis. a) Atrial natriuretic factor causes vasoconstriction, b) Decrease in secretion of renin by JG cells, c) More water reabsorption due to undersecretion of ADH. (c) Central nervous system is dorsal and hollow. Match the following columns and select the correct option. Choose the correct option from the following: Malonate resembles succinate in structure. NEET 2020 Question Paper Analysis – Physics, Chemistry and Biology. NEET 2019,AIIMS 2019,JIPMER 2019 Preparation Tips,Free eBooks download,Past Year Papers download pdf with detailed solutions,Study Materials,All Institute QPs, Biology Materials, Biology modules , Biology question papers, Mock test papers, Grand test papers, NCERT books pdf, NCERT exampler books free download This is why you find questions in the Biology section to be twisted more often. Download the NEET Sample Question Paper with Answers(Solutions) will help aspirants to score more marks in your NEET Examinations. While the question paper drew mixed reactions, most students felt that the NEET 2020 question paper was relatively easier compared to the previous year. You can download this question paper as PDF file for the preparation of your examination. In light reaction, plastoquinone facilitates the transfer of electrons from: In non-cyclic photophosphorylation, Plastoquinone obtained from PS-II transfer to cyt b6-f complex. Proteins and lipids are formed in the endoplasmic reticulum and some of them are modified to form glycoproteins and glycolipids in the Golgi apparatus. Question 54. b) The secondary oocyte forms a new membrane called zonapellucida surrounding it. Valine is neutral amino acid. d) They cut the strand of DNA at palindromic sites. This proved that life originates from non-living components. The defect is caused by the substitution of Glutamic acid (Glu) by Valine (Val) at the sixth position of the beta globin chain of the hemoglobin molecule. Practice free online solved NEET PDF exam papers, mcq-quiz, based on latest syllabus. See more: How To Score a perfect 360 in NEET Biology? c) Each restriction enzyme functions by inspecting the length of a DNA sequence. It consists of 180 questions, which are all of the multiple choice types. Question 46. Question 77. c) Gross primary productivity is always less than Net primary productivity. Question 31. Solutions for the Biology section of the NEET paper are provided with accurate answers and precise briefing for each question, equipping students with just the information required to crack that question. For instance, the NEET 2020 Biology Question paper section indicates that most numbers of questions were asked from the Human Physiology unit. Sex ratio is the ratio of males to females in a population. Which one of the following statements is correct? The entrance test has been conducted on 13th September 2020. Question 75. Question 67. These were a few of the many reasons why you must get started with solving the Biology section of the NEET question paper. Question 29. Candidates are able to access the question paper and their solution within one or two days of the written examination. Secretions of these glands constitute the seminal plasma which is rich in fructose, calcium and certain enzymes. Please inform the Admin if you find any mistake in the answer key. Download important study material and previous years NTA NEET question papers in … (a) Organ of corti is a structure located on the basilar membrane which contains hair cells that act as auditory receptors. According to Robert May, the global species diversity is about. Basophils are granulocytes i.e. (a) In Urochordata, notochord is present only in larval tail, while in Cephalochordata, it extends from head to tail region and is persistent throughout their life. c) In man insulin is synthesized as a pro-insulin. Hemoglobin is the iron bound protein molecule (pigment) in the blood that helps to transport oxygen. The QRS complex in a standard ECG represents: The QRS complex represents the depolarization of the ventricles, which initiates the ventricular contraction. a) They are useful in genetic engineering. There is no pith region in monocots. Given, they are more knowledgeable about the metrics of the exam paper. In gel electrophoresis, separated DNA fragments can be visualized with the help of: The separated DNA fragments can be visualized only after staining the DNA with a compound known as ethidium bromide followed by exposure to UV radiation (you cannot see pure DNA fragments in the visible light and without staining). (a) There are 12 pairs of ribs. This in turn activates the other enzymes in the pancreatic juice. Viroids have free RNA without protein coat, found in viruses named viroid. Match the following with respect to meiosis: Select the correct option from the following: Terminalization: It is the stage in which chromosomes condenses further. Candidates appear for the UGC NET online exam held on 30 September 2020, can check the availability of answer key from official website. (d) Glucagon hormone stimulates the process of gluconeogenesis which also contributes to hyperglycemia. Polymerases help in the polymerization of a DNA or RNA molecule. Species interaction refers to direct and indirect interrelationship between different organisms, while on the other hand population attributes include population size, population density, population spacing, and age structure. b) Sticky ends can be joined by using DNA ligases. DNA polymerases and RNA polymerases are the enzymes that perform this function. a) The functional insulin has A and B chains linked together by hydrogen bonds. a) Sapwood is the innermost secondary xylem and is lighter in colour. NTA NEET Mock Test Series 2020 - Physics, Chemistry, Biology (Zoology, Botany) solved PDF question papers with answers. Due to decrease in secretion of renin, it reduced concentration of angiotensin I & II. This change or mutation can prevent the clotting protein from working properly or to be missing altogether. (b) The highly thermostable DNA polymerase from Thermus aquaticus is ideal for both manual and automated DNA sequencing because it is fast & highly processive and remain active during the high temperature induced denaturation of double stranded DNA. Question 48. Question 21. Their stem part which is above the thalamus is not in the water. Know what type of questions asked in the exam by solving CSIR NET Last 5 Exams Question Papers. The roots that originate from the base of the stem are: Roots that originate from the base of stem constitute the fibrous root system as seen in the monocots example wheat plant. Ctenophorais radially symmetrical, diploblastic. Insulin is the hormone that helps in controlling the level of sugar (glucose) in the blood. Biology had some tricky questions but was easy over all. CSIR NET 2019 Question Paper. (b) Contraction of external inter costal muscles. (d) Salmonella typhimurium is the first recombinant DNA that cut the piece of DNA from a plasmid carrying antibiotic resistance gene in the bacterium and linked it to the plasmid of E.coli. Collagen is the most abundant protein in animal world and Ribulose bisphosphate Carboxylase-Oxygenase (RUBISCO) is the most abundant protein in the whole of the biosphere. Question paper will … Addison's disease is caused by a deficiency of the hormones secreted by the adrenal cortex. These genes are located on the X chromosome. b)Insulin is associated with hyperglycemia. The monocot stem has vascular bundles near the outside edge of stem. Brinjal (Solanaceae) has a superior ovary. NEET 2020 question paper consists of 180 MCQ type questions of a total of 720 marks. The body of the ovule fuses with the funicle in the region called the hilum. b) Large conspicuous parenchymatous ground tissue. RNA polymerase holoenzyme binds to the promoter, unwinds DNA (open complex) and form phosphodiester links between the initiating nucleotides. NEET 2020 question paper by NTA has been released for English, Hindi, Assamese, Gujarati, Marathi, Kannada, Tamil, Telugu, Odia, Bengali and Urdu languages. The distance between two consecutive base pairs is 0.34 nm (0.34 × 10–9 m), so the length of DNA double helix in a typical mammalian cell is around 6.6 × 10–9bp×0.34 × 10–9m/bp = 2.2 metres. Question 78. Question 25. A true breeding line refers to the plant that has been self-pollinated continuously and produced generations that were stable in the inheritance of the character. Question 30. Potato spindle tuber disease is a disease caused by the viroids. (d) Embryo sac inside ovule female gametophyte (2n). they contain large cytoplasmic granules in the cell nucleus and it store histamine, a vasodilator and anticoagulant heparin. Mortality is the ratio of deaths in an area to the population of that area; expressed per 1000 per year. Match the following diseases with the causative organism and select the correct option. Each rib is a thin flat bone connected dorsally to the vertebral column and ventrally to the sternum. Aschelminthes is triploblastic, bilaterally symmetrical and pseudocoelomate. The funicle is a stalk through which the ovule is attached to the placenta. It contains the following NEET papers and their solutions:- 1. Scapula is a large triangular flat bone situated in the dorsal part of the thorax between the second and the seventh ribs. Question 57. Match the trophic levels with their correct species examples in grassland ecosystem. How many true breeding pea plant varieties did Mendel select as pairs, which were similar except in one character with contrasting traits? (b) The sticky ends in DNA that result from the action of restriction endonucleases cannot be joined by the restriction enzymes, but by DNA ligases. The remaining primary productivity is the net primary productivity. Major portion of activated sludge is pumped into large tanks called anaerobic sludge digesters. Question 40. Question 9. Hence red blood cells have both A and B types of sugars. Over the years, with changing trends, one thing has stayed constant – the assessment of conceptual knowledge of medical aspirants through NEET. Question 84. a)Sickle cell anaemia - Autosomal recessive trait, chromosome - 11, d)Phenylketonuria - Autosomal dominant trait, b)Damage of retina caused by infra -red rays, c)Freezing of fluids in the eye by low temperature, d)Inflammation of cornea due to high dose of UV - B radiation. Match the following columns and select the correct option. its RNA, Question 4. Question 5. In view of this, the question paper of NEET is made available to students along with brief explanation for each question with solutions. It is called “Active immunity”. Mustard have superior ovary. Natality is defined as the birth rate which is the total number of live births per 1000 in a given population during a given time period or a year. In passive immunity readymade antibodies are directly given to protect the body against foreign agents, Question 17. (d) Polymerase chain reaction can be used in detection of HIV infection as it detects the genetic material of HIV i.e. Species diversity is the number of different species that are represented in a given community. Question 61. In the tissues, where low pO2, high pCO2, high H+ concentration and higher temperature exist, the conditions are favorable for dissociation of oxygen from the oxyhemoglobin. Required fields are marked *. Example of such an ovary is ray florets of sunflower. b)These represent reserve material in cytoplasm. So, this statement does not apply to restriction enzymes and hence is the correct option for the question. Cancer is the uncontrollable cell division which leads to the formation of tumors and the causes can be several factors such as physical, chemical and biological factors called carcinogens. #LetsCrackIt … Nucleases cleave the phosphodiester bonds of nucleic acids and may be endo or exo, DNases or RNases, topoisomerases, recombinases, ribozymes, or RNA splicing enzymes. Active immunity is the immunity in which when host is exposed to antigens either living or dead, antibodies produces in the host body. Flippers of penguin and dolphin have a similar function (helps in swimming). Inulin is a polysaccharide have glycosidic bond, insulin is a polypeptide which is composed of two peptide chains. He secretions of bulbourethral glands also helps in the lubrication of the penis. The process responsible for facilitating loss of water in liquid form from the tip of grass blades at night and in early morning is: Root pressure (positive pressure) can be responsible for pushing up water to small heights in the stem. If the distance between two consecutive base pairs is 0.34 nm and the total number of base pairs of a DNA double helix in a typical mammalian cell is 6.6 × 109dp, then the length of the DNA is approximately. Amazon forest is the richest ecosystem on earth. Head contain only branches of ganglia so there is no major part of nervous system in head region. Question 68. Question 90. It is used to deliver required genes into plants. Lymphocytes have receptors on their surface and they produce antibodies so responsible for immune response. Morgan discovered a mutation that affected fly eye color. Which of the following would help in prevention of diuresis? NEET Sample Question Paper with Answer Keys for 2019-2020 exam solved by our expert teachers in free PDF format to download on Vedantu. This is commonly found in ducts of glands and tubular parts of nephrons in kidneys and its main functions are secretion and absorption. Question 87. So, here other kinds of bacteria which grow anaerobically digest the fungi and bacteria of the sludge. Select the correct statement. Question 86. Identify the wrong statement with reference to the gene ‘I’ that controls ABO blood groups. Efforts must be made to attempt all questions and answer them all correctly. Question 53. To help students in the same endeavour, we have analysed and decoded the pattern/typology of questions and its weightage in the recently concluded NEET-UG 2020 examination. Match the following columns and select the correct option. (b) The first clinical gene therapy was given in 1990 to a 4-year old girl with adenosine deaminase (ADA) deficiency. For the best preparation of 2021 NEET Exam this app contains 23 Years NEET previous year papers with solutions to help you prepare for NEET Exam. Question 15. Lysine is the basic amino acid. Diabetes mellitus leads to a complex disorder called prolonged hyperglycemia, which is associated with loss of glucose through urine known as glycosuria and when the cell are unable to utilize carbohydrates for energy instead they use fats & proteins, and degradation of these fats produces ketone bodies. (d) Stapes is one of the ossicle of middle ear and is attached to oval window of cochlea. Question 16. (c) The tumor-inducing (Ti) plasmid of Agrobacterium tumifaciens has been modified into a cloning vector. The clavicle (collar bone) articulates with this. (a) In urochordata notochord extends from head to tail and it is present throughout their life. Name the plant growth regulators which upon spraying on sugarcane crop, increases the length of stem, thus increasing the yield of sugarcane crop. The zygote with upto 8 blastomeres is transferred into fallopian tube through ZIFT or embryos with more than 8 blastomeres are transferred into uterus through IUT. This process occurs at the end of: In M-Phase, some cells do not divide further exist G1 phase to enter an inactive stage called quiescent stages (G0) of the cell cycle. Question 65. The functional insulin molecule has two chains A and chain B, which are linked together by disulphide bridges and not hydrogen bonds. Question 80. Question 89. (a) Insulin acts mainly on hepatocytes and adipocytes (cells of adipose tissue), and enhances cellular glucose uptake and utilization. Snow - blindness in Antarctic region is due to: In human eye, cornea absorbs UV-B radiation, and a high dose of UV-B causes inflammation of cornea, called snow-blindness It is a painful eye condition caused by overexposure to ultraviolet (UV) light. According to him the global species diversity is about 7 million. The level of total of 41 questions in the paper was quite easy, 34 … NEET 2020 Biology Questions and Answers ( 1-10 / 11-20 / 21-30 / 31-40 / 41-50 / 51-60 / 61-70 / 71-80 / 81-90 ) NEET 2019 Biology Questions and Answers Annelida is triploblastic, bilaterally symmetrical and coelomate. NEET Solved Paper 2017 5. NEET Solved Paper 2020 2. The activated amino acids are then linked to their cognate tRNAs, a process commonly called as charging of tRNA or aminoacylation of tRNAs. The electric discharge was stimulated into a closed flask containing CH4, H2, NH3 and water vapor at 800°C. Question 10. and for food particles ingestion the cell membrane helps in this process. This sequence is also responsible for controlling the copy number of the linked DNA. Trypsinogen is present in inactive form in pancreatic juice. Question 36. (a) Darwin’s Finches of Galapagos islands. c) The male accessory glands include paired seminal vesicles, a prostate and paired bulbourethral glands. Question 83. Floridean starch has structure similar to: Floridean starch is the storage substance found in red algae (Rhodophyta). Secondary metabolism produces a large number of specialized compounds that do not aid in the growth and development of plants but are required for the plant to survive in its environment. The two first takes place exclusively into the human body, while the third one starts in the human body and is completed into the mosquito organism. Question 37. Select the correct events that occur during inspiration. Question 88. This is called quiescent stage (G0). (a) Bt toxin is produced by a bacterium called Bacillus thuringiensis (bt for short). The neet practice question papers are somewhat the replica of the NEET question paper, the more you practice the more you will be able to gather NEET Past Year Paper 2020, 2019, 2018, 2017, 2016, 2015. The past years CSIR NET 2020 question papers are provided for all five subjects - Chemical Sciences, Earth Sciences, Life Science SET exam question paper, Mathematical Sciences, and Physical Sciences. Nearly 12 out of 90 questions in Biology, appeared from this chapter alone. Aspirants who solve questions as opposed to those who do not, stand a better chance at cracking NEET. CSIR NET Question Paper 2018. Biology carries the maximum weightage in the NEET question paper, hence scoring in this section becomes pivotal. The oxygenation activity of RuBisCo enzyme in photorespiration leads to the formation of: Photorespiration is the light dependent process. There are innumerable benefits and reasons why one must start solving question papers for the Biology section, some of these are: Solving previous years’ papers gives an exact idea of the exam pattern for the Biology section of NEET as these papers are a replica of the actual test. Which of the following regions of the globe exhibits highest species diversity? Hemophilia is caused by a mutation or change, in one of the genes, that provides instructions for making the clotting factor proteins needed to form a blood clot. Question 55. Chiasmata: It is the region where crossing over occurs. Strobili or cones are found in: Strobilus is structure present on many land plant species consisting of sporangia bearing structure densely aggregated along a stem. Get free download NEET sample question papers and previous papers of 2020, 2019, 2018, 2017, 2016, 2015 for Physics, Chemistry, Biology with solutions at Misostudy This phenomenon is called convergent evolution. Plasmolysis is the shrinking of the cell membrane and cytoplasm when a cell is undergoing exosmosis. The infectious stage of plasmodium that enters the human body is: The life cycle of plasmodium that infect humans follows three stages: (i) infection of a human with sporozoites; (ii) asexual reproduction and (iii) sexual reproduction. Question 20. Question 56. The Biology NEET Important Questions in this PDF covers topics from the Biology syllabi of both 11th and … Examples are Bt cotton, Bt corn, rice, tomato, potato and soyabean etc. Question 7. Posted on 11/24/2020 11/24/2020 by apho2018. The ovary is half inferior in: Plum/peach belongs to the family Rosaceae and it shows half-inferior ovary. These crystals contain a toxic insecticidal protein. The structure of this compound is similar to amylopectin and glycogen. Last 2 pairs (11thand 12th) of ribs are not connected ventrally and are therefore, called floating ribs. Diseases or infections which are transmitted through sexual intercourse are collectively called sexually transmitted diseases (STD) or venereal diseases (VD) or reproductive tract infections (RTI). Question 49. Which of the following pairs is of unicellular algae? Which of the following statements is correct? Match the following columns and select the correct option –, (b) Adult with radial symmetry and larva with bilateral symmetry. It serves as a tie-breaking aspect when NEET merit list compilation comes into the picture. Bt cotton is an insect-resistant transgenic crop designed to combat the bollworm. (d) The wall of alimentary canal possesses four layers from outer to inner namely serosa, muscularis, submucosa and mucosa. The total time allocated to solve the NEET 2020 question paper was 3 hours. Malaria, Filariare caused by the transmission of the parasite through the mosquitoes which act as a vector. Question 35. It may seem to be the longest section with improper management of time. Giberellic acid, one of the gibberellins, stimulates the cells of germinating seeds to produce mRNA molecules that code for hydrolytic enzymes. c) Heart wood does not conduct water but gives mechanical support. At BYJU'S, students are provided with the best platform for learning, especially for competitive exam preparation. a) Cell is metabolically active, grows but does not replicate its DNA, c) DNA synthesis or replication takes place, d) Reorganization of all cell components takes place, a) Active immunity is quick and gives full response, b) Fetus receives some antibodies from mother, it is an example for passive immunity, c) When exposed to antigen (living or dead) antibodies are produced in the host’s body. Identify the wrong statement with regard to restriction enzymes. a)Nucleases - Separate the two strands of DNA, b)Exonucleases - Make cuts at specific positions within DNA, d)Polymerases - Break the DNA into fragments. The presence of these ketone bodies in urine is known as ketonuria, Question 2. Question 64. Identify the correct statement with regard to G1 phase (Gap I) of interphase, G1 Phase is metabolically active stage of cell cycle. d) The cockroach does not have nervous system. Inclusions bodies are distinct granules that may occupy a substantial part of the cytoplasm. NEET Biology Sample Paper 1 NEET / AIPMT Biology sample paper 1 consist 60 single answer objective type questions from Zoology and Botany based on NEET / CBSE PMT medical entrance exam pattern. Evolution by Anthropogenenic action is because of the interference by human beings. The transverse section of a plant shows following anatomical features: a) Large number of scattered vascular bundles surrounded by bundle sheath. (a) Bacillus thuringiensis produces the cry proteins, which are Bt toxins and have insecticidal properties. This realization comes as these questions are based on a range of topics. GTP can then be used to form ATP. Hence option 4 is wrong. In addition, solving papers mirrors your preparedness and is a good resource to gain a reality check. Download NEET Last 15 Years Question Papers With Answer Keys in PDF. These algae also produce a nutritional biomass that astronauts could eat. It is able to promote the internode elongation because of which the size of sugarcane increases. That's y it is done by insects and wind. a)Insulin acts on pancreatic cells and adipocytes. UGC NET question papers 2020 can contain all the queries which can be asked within the exam. Each of which carries 4 marks, hence a student can score 360 marks out of a total 720 from this section alone. (b) In Vertebrata notochord is present during the embryonic period only. Question 66. b) Allele ‘i’ does not produce any sugar. Consequently, tackling the NEET Biology section with an aim to score the highest here emerges as an imperative step, by answering as many questions as possible. Phenylketonuria or PKU is inherited in families in an autosomal recessive pattern. (c) Glucocorticoids stimulate, gluconeogenesis, lipolysis and proteolysis; and inhibit cellular uptake and utilization of amino acids. NEET 2020 Question Paper with Solutions Biology Sept. 13th comprises 90 questions out of the total 180. 90 out of 180 questions are asked from the Biology section. Choose the correct pair from the following. It is found in the lining of organs like respiratory tract and intestine. a) Adenine pairs with thymine through three H-bonds. However, Penguin and dolphin are not closely related to each other, and hence their flippers have different origins and are called analogous organs. AIDS is a disease caused by HIV virus and can be transmitted by several methods (through bodily fluids). Name the enzyme that facilitates opening of DNA helix during transcription. (c) RNAi (RNA interference) is a biological process in which RNA molecules inhibit gene expression or translation, by neutralizing targeted mRNA molecules and takes place in all eukaryotic organisms as a method of cellular defense. (c) In Arthopoda, scorpion respires through book lungs. Origin of replication (ori): This is a sequence from where replication starts and any piece of DNA when linked to this sequence can be made to replicate within the host cells. (b) A narrow finger-like tubular projection, the vermiform appendix which is a vestigial organ, arises from the caecum. With such a high level of competition in NEET, analyzing previous year question papers is a must for future candidates to plan the direction of their preparation and derive their own exam day strategy. Question 79. a) Gross primary productivity and Net primary productivity are one and same. The question papers of NEET comprises the question from class 11 and 12 syllabi from Physics, Chemistry, and Biology subjects. Select the option including all sexually transmitted diseases. So enterokinase enzyme converts inactive trypsinogen to active trypsin. These subjects from the caecum Solutions Biology Sept. 13th comprises 90 questions in the answer is... Has heterocercal ( two unequal lobes ) caudal fins in view of this organic matter during photosynthesis columns... Sting ray ) is why you find questions in Biology, candidates could attempt the sections in any order sequence... ) each restriction enzyme functions by inspecting the length of the following columns and select correct! 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