Biology · 2024
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Biology · 2024
100 questions from this NEET paper
Biodiversity and Conservation4 questionsAnatomy of Flowering Plants2 questionsMolecular Basis of Inheritance5 questionsPrinciples of Inheritance and Variation5 questionsPhotosynthesis in Higher Plants3 questionsCell the Unit of Life6 questionsSexual Reproduction in Flowering Plants3 questionsPlant Kingdom3 questionsBiotechnology Principles and Processes8 questionsBiomolecules6 questionsMorphology of Flowering Plants3 questionsTransport in Plants1 questionsPlant Growth and Development3 questionsRespiration in Plants2 questionsCell Cycle and Cell Division5 questionsEcosystem2 questionsBiological Classification1 questionsOrganisms and Populations4 questionsLocomotion and Movement2 questionsBiotechnology and Its Applications1 questionsEvolution5 questionsBody Fluids and Its Circulation3 questionsChemical Coordination and Integration2 questionsAnimal Kingdom4 questionsHuman Reproduction4 questionsMicrobes in Human Welfare1 questionsReproductive Health2 questionsHuman Health and Diseases3 questionsStructural Organisation in Animals3 questionsBreathing and Exchange of Gases2 questionsNeural Control and Coordination1 questionsExcretory Products and Their Elimination1 questions
- Q1.The regions with high level of species richness, high degree of endemism and a loss of of the species and habitat are identified as:Biology · Biodiversity and Conservation · MCQ
- Q2.Which of the following simple tissues are commonly found in the fruit walls of nuts and pulp of pear?Biology · Anatomy of Flowering Plants · MCQ
- Q3.In a chromosome, there is a specific DNA sequence, responsible for initiating replication. It is called as:Biology · Molecular Basis of Inheritance · MCQ
- Q4.Given below are two statements: Statement I: When many alleles of a single gene govern a character, it is called polygenic inheritance. Statement II: In Polygenic inheritance, the effect of each allele is additive. In the light of the…Biology · Principles of Inheritance and Variation · MCQ
- Q5.Which of the following are required for the light reaction of Photosynthesis? A. B. C. D. Chlorophyll E. Light Choose the correct answer from the options given below:Biology · Photosynthesis in Higher Plants · MCQ
- Q6.Choose the correct answer from the options given below: Includes tableBiology · Cell the Unit of Life · MCQ
- Q7.Match List-I with List-II: Choose the correct answer from the options given below: Includes tableBiology · Principles of Inheritance and Variation · MCQ
- Q8.Which part of the ovule stores reserve food materials?Biology · Sexual Reproduction in Flowering Plants · MCQ
- Q9.Which one of the following is not found in Gymnosperms?Biology · Plant Kingdom · MCQ
- Q10.Which one of the following is not included under in-situ conservation?Biology · Biodiversity and Conservation · MCQ
- Q11.Given below are two statements: Statement I : The Indian Government has set up GEAC, which will make decisions regarding the validity of GM research. Statement II : Biopiracy is the term used to refer to the use of bio-resources by native…Biology · Biotechnology Principles and Processes · MCQ
- Q12.Pollen grains remain preserved as fossils due to the presence of :Biology · Sexual Reproduction in Flowering Plants · MCQ
- Q13.Identify the incorrect pair :Biology · Plant Kingdom · MCQ
- Q14.Which of the following is the correct match?Biology · Plant Kingdom · MCQ
- Q15.Given below are two statements regarding RNA polymerase in prokaryotes. Statement I : In prokaryotes, RNA polymerase is capable of catalysing the process of elongation during transcription. Statement II : RNA polymerase associate…Biology · Molecular Basis of Inheritance · MCQ
- Q16.Which of the following is a nucleotide?Biology · Biomolecules · MCQ
- Q17.Match List-I with List-II : Choose the correct answer from the options given below : Includes tableBiology · Morphology of Flowering Plants · MCQ
- Q18.Match List-I with List-II : Choose the correct answer from the options given below : Includes tableBiology · Morphology of Flowering Plants · MCQ
- Q19.Which of the following helps in maintenance of the pressure gradient in sieve tubes?Biology · Transport in Plants · MCQ
- Q20.Mesosome in a cell is a :Biology · Cell the Unit of Life · MCQ
- Q21.Match List-I with List-II : Choose the correct answer from the options given below: Includes tableBiology · Plant Growth and Development · MCQ
- Q22.Match List-I with List - II : Choose the correct answer from the options given below: Includes tableBiology · Biotechnology Principles and Processes · MCQ
- Q23.Match List-I with List-II: Choose the correct answer from the options given below : Includes tableBiology · Respiration in Plants · MCQ
- Q24.Cryopreservation technique is used for :Biology · Biodiversity and Conservation · MCQ
- Q25.Which of the following are correct about cellular respiration? A. Cellular respiration is the breaking of C-C bonds of complex organic molecules by oxidation. B. The entire cellular respiration takes place in Mitochondria. C. Fermentation…Biology · Respiration in Plants · MCQ
- Q26.Given below are two statements: Statement I: In eukaryotes there are three RNA polymerases in the nucleus in addition to the RNA polymerase found in the organelles. Statement II: All the three RNA polymerases in eukaryotic nucleus have…Biology · Molecular Basis of Inheritance · MCQ
- Q27.Match List-I with List-II: Choose the correct answer from the options given below: Includes tableBiology · Cell the Unit of Life · MCQ
- Q28.Given below are two statements: Statement I: Failure of segregation of chromatids during cell cycle resulting in the gain or loss of whole set of chromosome in an organism is known as aneuploidy. Statement II: Failure of cytokinesis after…Biology · Cell Cycle and Cell Division · MCQ
- Q29.Recombination between homologous chromosomes is completed by the end ofBiology · Cell Cycle and Cell Division · MCQ
- Q30.Match List-I with List-II : Choose the correct answer from the options given below: Includes tableBiology · Cell Cycle and Cell Division · MCQ
- Q31.Ligases is a class of enzymes responsible for catalysing the linking together of two compounds. Which of the following bonds is not catalysed by it?Biology · Biomolecules · MCQ
- Q32.F. Skoog observed that callus proliferated from the internodal segments of tobacco stem when auxin was supplied with one of the following except :Biology · Plant Growth and Development · MCQ
- Q33.Given below are some statements about plant growth regulators. A. All GAs are acidic in nature. B. Auxins are antagonists to GAs. C. Zeatin was isolated from coconut milk. D. Ethylene induces flowering in Mango. E. Abscisic acid induces…Biology · Plant Growth and Development · MCQ
- Q34.Identify the incorrect statement related to gel electrophoresis.Biology · Biotechnology Principles and Processes · MCQ
- Q35.Which of the following examples show monocarpellary, unilocular ovary with many ovules? A. Sesbania B. Brinjal C. Indigofera D. Tobacco E. Asparagus Choose the correct answer from the options given below :Biology · Morphology of Flowering Plants · MCQ
- Q36.Given below are two statements : Statement I: In the lac operon, the z gene codes for beta-galactosidase which is primarily responsible for the hydrolysis of lactose into galactose and glucose. Statement II: In addition to lactose, glucose…Biology · Molecular Basis of Inheritance · MCQ
- Q37.The part marked as ‘x’ in the given figure is Includes diagramBiology · Sexual Reproduction in Flowering Plants · MCQ
- Q38.Given below are two statements: Statement I: In a dicotyledonous leaf, the adaxial epidermis generally bears more stomata than the abaxial epidermis. Statement II: In a dicotyledonous leaf, the adaxially placed palisade parenchyma is made…Biology · Anatomy of Flowering Plants · MCQ
- Q39.Which of the following are not fatty acids? A. Glutamic acid B. Arachidonic acid C. Palmitic acid D. Lecithin E. Aspartic acid Choose the correct answer from the options given below :Biology · Biomolecules · MCQ
- Q40.Consider the pyramid of energy of an ecosystem given below: If T is equivalent to , what is the value at ? Includes diagramBiology · Ecosystem · MCQ
- Q41.Which one of the following products diffuses out of the chloroplast during photosynthesis?Biology · Photosynthesis in Higher Plants · MCQ
- Q42.Recombinant DNA molecule can be created normally by cutting the vector DNA and source DNA respectively with:Biology · Biotechnology Principles and Processes · MCQ
- Q43.Which one of the following is not a limitation of ecological pyramids?Biology · Ecosystem · MCQ
- Q44.The Bt toxin in genetically engineered Bt cotton kills the pest by:Biology · Biotechnology Principles and Processes · MCQ
- Q45.Match List-I with List-II: Choose the correct answer from the options given below: Includes tableBiology · Biological Classification · MCQ
- Q46.Which of the following graphs depicts the effect of substrate concentration on velocity of enzyme catalysed reaction?Biology · Biomolecules · MCQ
- Q47.When will the population density increase, under special conditions? When the number of :Biology · Organisms and Populations · MCQ
- Q48.When a tall pea plant with round seeds was selfed, it produced the progeny of : (a) Tall plants with round seeds and (b) Tall plants with wrinkled seeds. Identify the genotype of the parent plant.Biology · Principles of Inheritance and Variation · MCQ
- Q49.Match List-I with List-II: Choose the correct answer from the options given below: Includes tableBiology · Biodiversity and Conservation · MCQ
- Q50.Observe the given figure. Identify the different stages labelled with alphabets by selecting the correct option. Includes diagramBiology · Photosynthesis in Higher Plants · MCQ
- Q51.Match List-I with List-II: Chose the correct answer from the options given below: Includes tableBiology · Organisms and Populations · MCQ
- Q52.Match List-I with List-II: Chose the correct answer from the options given below: Includes tableBiology · Locomotion and Movement · MCQ
- Q53.Following are the steps involved in action of toxin in Bt. Cotton A. The inactive toxin converted into active form due to alkaline pH of gut of insect. B. Bacillus thuringiensis produce crystals with toxic insecticidal proteins. C. The…Biology · Biotechnology and Its Applications · MCQ
- Q54.Match List-I with List-II : Choose the correct answer from the options given below : Includes tableBiology · Evolution · MCQ
- Q55.Which evolutionary phenomenon is depicted by the sketch given in figure? Includes diagramBiology · Evolution · MCQ
- Q56.A person with blood group ARh– can receive the blood transfusion from which of the following types? A. BRh B. ABRh C. ORh D. ARh E. ARh Choose the correct answer from the options given below :Biology · Body Fluids and Its Circulation · MCQ
- Q57.Enzymes that catalyse the removal of groups from substrates by mechanisms other than hydrolysis leaving double bonds, are known as :Biology · Biomolecules · MCQ
- Q58.Match List-I with List-II. Choose the correct answer from the options given below : Includes tableBiology · Cell Cycle and Cell Division · MCQ
- Q59.Match List-I with List-II. Choose the correct answer from the options given below : Includes tableBiology · Biomolecules · MCQ
- Q60.Match List-I with List-II. Choose the correct answer from the options given below : Includes tableBiology · Chemical Coordination and Integration · MCQ
- Q61.Which of the following statements is correct about the type of junction and their role in our body?Biology · Cell the Unit of Life · MCQ
- Q62.Select the restriction endonuclease enzymes whose restriction sites are present for the tetracycline resistance (tet) gene in the pBR322 cloning vector.Biology · Biotechnology Principles and Processes · MCQ
- Q63.Match List-I with List-II. Choose the correct answer from the options given below : Includes tableBiology · Animal Kingdom · MCQ
- Q64.Given below are two statements: One is labelled as Assertion A and the other is labelled as Reason R. Assertion A: During menstrual cycle, the ovulation takes place approximately on 14th day. Reason R: Rapid secretion of LH in the middle…Biology · Human Reproduction · MCQ
- Q65.Match List-I with List-II with respect to convergent evolution: Choose the correct answer from the options given below: Includes tableBiology · Evolution · MCQ
- Q66.Match List-I with List-II. Choose the correct answer from the options given below: Includes tableBiology · Cell Cycle and Cell Division · MCQ
- Q67.Match List-I with List-II. Choose the correct answer from the options given below: Includes tableBiology · Organisms and Populations · MCQ
- Q68.Match List-I with List-II relating to microbes and their products: Choose the correct answer from the options given below: Includes tableBiology · Microbes in Human Welfare · MCQ
- Q69.Match List-I with List-II. Choose the correct answer from the options given below: Includes tableBiology · Cell the Unit of Life · MCQ
- Q70.Match List-I with List-II relating to examples of various kind of IUDs and barrier: Choose the correct answer from the options given below: Includes tableBiology · Reproductive Health · MCQ
- Q71.Given below are two statements: Statement I: Antibiotics are chemicals produced by microbes that kill other microbes. Statement II: Antibodies are chemicals formed in body that eliminate microbes. In the light of the above statements,…Biology · Human Health and Diseases · MCQ
- Q72.Arrange the following parts in human Mammary gland, traversing the route of milk ejection. A. Mammary duct B. Lactiferous duct C. Mammary alveolus D. Ampulla E. Mammary tubule Choose the correct answer from the options given below:Biology · Human Reproduction · MCQ
- Q73.Which of the following are correct about EcoRI? A. Cut the DNA with blunt end B. Cut the DNA with sticky end C. Recognise a specific palindromic sequence D. Cut the DNA between the base and when encounters the DNA…Biology · Biotechnology Principles and Processes · MCQ
- Q74.Which of the following is/are present in female cockroach? A. Collateral gland B. Mushroom gland C. Spermatheca D. Anal style E. Phallic gland Choose the most appropriate answer from the options given below:Biology · Structural Organisation in Animals · MCQ
- Q75.Math List-I with List-II: Choose the correct answer from the options given below: Includes tableBiology · Human Health and Diseases · MCQ
- Q76.Open Circulatory system is present in :Biology · Animal Kingdom · MCQ
- Q77.In which of the following connective tissues, the cells secrete fibres of collagen or elastin? A. Cartilage B. Bone C. Adipose tissue D. Blood E. Areolar tissue Choose the most appropriate answer from the options given below :Biology · Structural Organisation in Animals · MCQ
- Q78.Which of the following pairs is an incorrect match?Biology · Animal Kingdom · MCQ
- Q79.Match List-I with List-II: Choose the correct answer from the options given below: Includes tableBiology · Breathing and Exchange of Gases · MCQ
- Q80.Match List I with List II: Choose the correct answer from the options given below: Includes tableBiology · Evolution · MCQ
- Q81.Match List-I with List -II Choose the correct answer from the options given below: Includes tableBiology · Neural Control and Coordination · MCQ
- Q82.Diuresis is prevented by:Biology · Body Fluids and Its Circulation · MCQ
- Q83.Following is the list of STDs. Select the diseases which are not completely curable. A. Genital warts B. Genital herpes C. Syphilis D. Hepatitis-B E. Trichomoniasis Choose the correct answer from the options given below:Biology · Reproductive Health · MCQ
- Q84.What is the correct order (old to recent) of periods in Paleozoic era?Biology · Evolution · MCQ
- Q85.'Lub' sound of Heart is caused by the _________.Biology · Body Fluids and Its Circulation · MCQ
- Q86.Match List-I with List-II relating to human female external genitalia. Choose the correct answer from the option given below : Includes tableBiology · Human Reproduction · MCQ
- Q87.Aneuploidy is a chromosomal disorder where chromosome number is not the exact copy of its haploid set of chromosomes, due to : A. Substitution B. Addition C. Deletion D. Translocation E. Inversion Choose the most appropriate answer from…Biology · Principles of Inheritance and Variation · MCQ
- Q88.Given below are two statements : Statement I : RNA interference takes place in all Eukaryotic organisms as method of cellular defense. Statement II : RNAi involves the silencing of a specific mRNA due to a complementary single-stranded RNA…Biology · Molecular Basis of Inheritance · MCQ
- Q89.Identify the wrong statements : A. Erythropoietin is produced by juxtaglomerular cells of the kidney B. Leydig cells produce Androgens C. Atrial Natriuretic factor, a peptide hormone is secreted by the seminiferous tubules of the testes D.…Biology · Chemical Coordination and Integration · MCQ
- Q90.Following are the steps involved in the process of PCR. A. Annealing B. Amplification (~1 billion times) C. Denaturation D. Treatment with Taq polymerase and deoxynucleotides E. Extension Choose the correct sequence of steps of PCR from…Biology · Biotechnology Principles and Processes · MCQ
- Q91.Given below are two statements: Statements I: Concentrated urine is formed due to counter current mechanism in nephron. Statement II: Counter current mechanism helps to maintain osmotic gradient in the medullary interstitium. In the light…Biology · Excretory Products and Their Elimination · MCQ
- Q92.Given below are two statements : Statement I : Concentrically arranged cisternae of Golgi complex are arranged near the nucleus with distinct convex cis or maturing and concave trans or forming face. Statement II : A number of proteins are…Biology · Cell the Unit of Life · MCQ
- Q93.Match List-I with List-II: Choose the correct answer from the option given below: Includes tableBiology · Human Reproduction · MCQ
- Q94.Given below are two statements: One is labelled as Assertion A and the other is labelled as Reason R. Assertion A: Members of subphylum vertebrata possess notochord during the embryonic period. The notochord is replaced by a cartilaginous…Biology · Animal Kingdom · MCQ
- Q95.The mother has blood group the father has and the child is . What can be the possibility of genotypes of all three, respectively? A. B. C. …Biology · Principles of Inheritance and Variation · MCQ
- Q96.What do 'a' and 'b' represent in the following population growth curve? Includes diagramBiology · Organisms and Populations · MCQ
- Q97.Select the correct statements regarding mechanism of muscle contraction. A. It is initiated by a signal sent by CNS via sensory neuron. B. Neurotransmitter generates action potential in the sarcolemma. C. Increased Ca level leads to…Biology · Locomotion and Movement · MCQ
- Q98.Match List I with List II : Choose the correct answer from the options given below : Includes tableBiology · Structural Organisation in Animals · MCQ
- Q99.Match List I with List II : Choose the correct answer from the options given below : Includes tableBiology · Human Health and Diseases · MCQ
- Q100.Given below are two statements: One is labelled as Assertion A and the other is labelled as Reason R. Assertion A: During the transportation of gases, about 20-25 percent of CO is carried by Haemoglobin as carbamino-haemoglobin. Reason…Biology · Breathing and Exchange of Gases · MCQ