Biotechnology MCQ for NEET. We covered all the Biotechnology MCQ for NEET in this post for free so that you can practice well for the exam.
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Biotechnology MCQ for NEET Students
The function of leghaemoglobin in the root nodules of legumes is
(A) inhibition of nitrogenase activity
(B) oxygen removal
(C) nodules differentiation
(D) expression of nif gene
Option b – oxygen removal
Photosynthesis is a physicochemical process that involves chemical reactions catalyzed by various enzymes. Where are the enzymes necessary for incorporating CO2 present in chloroplast? ( Biotechnology MCQ for NEET )
(A) Grana
(B) Stroma
(C) Stomata
(D) Chloroplast membrane
Option b – Stroma
The overall goal of glycolysis, Krebs’ cycle, and the electron transport system is the formation of
(A) ATP in one large oxidation reaction
(B) Sugars
(C) Nucleic acids
(D) ATP in small stepwise units
Option d – ATP in small stepwise units
In a taxonomic hierarchy, the number of characters will increase as we go from ( Biotechnology MCQ for NEET )
(A) Class to Order
(B) Species to Kingdom
(C) Genus to Species
(D) Kingdom to Species
Option d – Kingdom to Species
How many different types of genetically different gametes will be produced by a heterozygous plant having the genotype AABbCc?
(A) Six
(B) Nine
(C) Two
(D) Four
Option d – Four
If the haploid number in a flowering plant is 14. What shall be the number of chromosomes in integuments, antipodal cells? embryo, endosperm, and nucellus respectively? ( Biotechnology MCQ for NEET )
(A) 14, 28, 7, 42, 21
(B) 7, 14, 42, 28, 14
(C) 28, 14, 28, 42, 28
(D) 28, 42, 14, 28, 14
Option c – 28, 14, 28, 42, 28
While analyzing the DNA of an organism a total number of 5386 nucleotides were found out of which the proportion of different bases were: Adenine = 29%, Guanine = 17%, Cytosine = 32%, Thymine = 17%. Considering Chargaff’s rule it can be concluded that
(A) It is a double-stranded circular DNA.
(B) It is single-stranded DNA.
(C) It is a double-stranded linear DNA.
(D) No conclusion can be drawn.
Option b – It is single-stranded DNA.
A protoplast is a cell ( Biotechnology MCQ for NEET )
(A) undergoing division
(B) without cell wall
(C) without plasma membrane
(D) without nucleus
Option b – without cell wall
Identify the INCORRECT statement from the following.
(A) The reservoir pool is for the phosphorus cycle earth’s crust whereas the atmosphere is the reservoir pool for the carbon cycle.
(B) During the carbon cycle and phosphorus cycle, there is very little respiratory release of carbon and phosphorus respectively.
(C) Atmosphere inputs of phosphorus throughout rainfall are much smaller than carbon inputs.
(D) Gaseous exchanges of phosphorus between organisms and the environment are negligible.
Option b – During the carbon cycle and phosphorus cycle, there is very little respiratory release of carbon and phosphorus respectively.
Which of the following is the CORRECT reason for mammals being largely successful? ( Biotechnology MCQ for NEET )
(A) Mammals maintain a constant temperature and thrive in extreme habitats.
(B) They have the ability to increase body heat during summer and decrease body heat during winter.
(C) Mammals profusely sweat to maintain a constant external environment.
(D) Their body pH is constant in extreme conditions.
Option a – Mammals maintain a constant temperature and thrive in extreme habitats.
Which one of the following processes during decomposition is correctly described?
(A) Fragmentation – Carried out by organisms such as earthworms
(B) Humification – Leads to the accumulation of a dark-colored substance humus which undergoes microbial action at a very fast rate
(C) Catabolism – The last step in the decomposition under fully anaerobic conditions
(D) Leaching – Water soluble inorganic nutrients rise to the top layers of soil
Option a – Fragmentation – Carried out by organisms such as earthworms
Which of the following is NOT a characteristic function of the veins of the leaf? ( Biotechnology MCQ for NEET )
(A) Provide rigidity to the leaf blade.
(B) Act as channels for the transport of food. water and minerals.
(C) Provide a structural framework for the lamina.
(D) Store the food prepared by leaf.
Option d – Store the food prepared by leaf.
Which one of the following statements is CORRECT?
(A) Legumes are incapable of fixing nitrogen.
(B) Legumes fix nitrogen only through specialized bacteria living in their nodulated roots.
(C) Legumes fix nitrogen independent of the bacteria that live in their roots.
(D) Legumes fix nitrogen only through bacteria forming nodules on any part of the plant.
Option b – Legumes fix nitrogen only through specialized bacteria living in their nodulated roots.
Phosphodiester linkage is formed between ( Biotechnology MCQ for NEET )
(A) C-5 of one nucleotide and C-3 of the next
(B) C-1 of one nucleotide and C-2 of the next
(C) purines of opposite strands
(D) pyrimidines of opposite strands
Option a – C-5 of one nucleotide and C-3 of the next
Experimental material in the study of DNA replication has been
(A) Escherichia coli
(B) Neurospora crassa
(C) Pneumococcus
(D) Drosophila melanogaster
Option a – Escherichia coli
What is it that forms the basis of DNA fingerprinting? ( Biotechnology MCQ for NEET )
(A) The relative proportions of purines and pyrimidines in DNA
(B) The relative difference in the DNA occurrence in blood, skin, and saliva.
(C) The relative amount of DNA in the ridges and grooves of the fingerprints.
(D) Satellite DNA occurs as highly repeated short DNA segments.
Option d – Satellite DNA occurs as highly repeated short DNA segments.
BOD refers to
(A) The oxygen required for bacteria to grow in 1 liter of effluent.
(B) The amount of oxygen consumed if all the organic matter in 1000 ml of water were oxidized by bacteria.
(C) The amount of oxygen released if all the organic matter in 1000 ml of water were oxidized by bacteria.
(D) The amount of oxygen released when all the organic matter was consumed by bacteria in 1 liter of water.
Option b – The amount of oxygen consumed if all the organic matter in 1000 ml of water were oxidized by bacteria.
An example of endomycorrhiza is ( Biotechnology MCQ for NEET )
(A) Nostoc
(B) Glomus
(C) Agaricus
(D) Rhizobium
Option b – Glomus
If the + sign is assigned to beneficial interaction, the’ -‘ sign to detrimental, and the’ o’ sign to neutral interaction, then the population interaction represented by ‘+’ ‘-‘ refers to
(A) parasitism
(B) mutualism
(C) amensalism
(D) commensalism
Option a – parasitism
Consider the following statements and choose the correct one using the codes given below. I. The flavor saver tomato was the first genetically engineered crop product to be commercialized. II. Ripe fruits of flavor save remain firm for a longer duration and can be transported to market after vine-ripening. III. Ripe fruits of flavor save have color but not the full array of vine-ripened tomato flavors. ( Biotechnology MCQ for NEET )
(a) II and III
(b) I, II and III
(c) I and II
(d) I and III
Option c – I and II
Assertion (A) Transgenic organisms are genetically altered organisms. Reason (R) Transgenic organisms do not cause any environmental hazards. Codes
(a) Both A and R are true and R is the correct explanation of A
(b) Both A and R are true, but R is not the correct explanation of A
(c) A is true, but R is false
(d) A is false, but R is true
Option c – A is true, but R is false
Assertion (A) Insect-resistant transgenic cotton has been produced by inserting the Bt gene. Reason (R) The Bt gene is derived from a bacterium. Codes ( Biotechnology MCQ for NEET )
(a) Both A and R are true and R is the correct explanation of A
(b) Both A and R are true, but R is not the correct explanation of A
(c) A is true, but R is false
(d) A is false, but R is true
Option b – Both A and R are true, but R is not the correct explanation of A
(a) I, II and IV
(b) II and III
(c) I and III
(d) I and IV
Option a – I, II and IV
Consider the following effects of genetic engineering. I. Disease resistance II. Growth promotion III. Animal cloning IV. Human cloning Of the above, what has been tried with a certain amount of success include? ( Biotechnology MCQ for NEET )
(a) I, III and IV
(b) II, III and IV
(c) I, II and IV
(d) I, II and III
Option d – I, II and III
Consider the following statements. I. According to the Indian Patents Act, a biological process to create seed can be patented in India. II. In India, there is no Intellectual Property Appellate Board. III. Plant varieties are not eligible to be patented in India. Which of the statements given above is/are not correct?
(a) I and III
(b) II and III
(c) Only III
(d) I, II and III
Option b – II and III
Mycorrhizal biotechnology has been used in rehabilitating degraded sites because mycorrhiza enables the plants to I. resist drought and increase absorptive area. II. tolerate extremes of pH. III. resist disease infection. Select the correct answer using the codes given below
(a) Only I
(b) II and III
(c) I and III
(d) All of these
Option d – All of these
At present, scientists can determine the arrangement of relative positions of genes or DNA sequences on a chromosome. How does this knowledge benefit us? I. It is possible to know the pedigree of livestock. II. It is possible to understand the causes of all human diseases. III. It is possible to develop disease-resistant animal breeds. Which of the statement(s) given above is/are correct?
(a) I and II
(b) Only Il
(c) I and III
(d) I, II, and III
Option c – I and III
With reference to stem cells, frequently in the news, which of the following statements is/are correct? I. Stem cells can be derived from mammals only. II. Stem cells can be used for screening new drugs. III. Stem cells can be used for medical therapies. Select the correct answer using the codes given below
(a) I and III
(b) II and III
(c) Only III
(d) I, II, and III
Option b – II and III
Consider the following statements. I. Antibiotic resistance in microorganisms present in the alimentary canal. II. Allergic reaction III. Toxicity Which of the above risk (s) is/are associated with genetically modified food?
(a) Only I
(b) Only II
(c) I and II
(d) I, II, and III
Option d – I, II, and III
Consider the following statements about biofuel. I. Biofuels are generally obtained from starchy plants. II. Scientists are engaged in producing Genetically Modified (GM) fungi to break down long cellulose chains to yield cheaper biofuel. III. Manufacturing biofuel from lignocellulose may be a preferable option. Which of the statements given above is/are correct?
(a) I and II
(b) II and III
(c) I and III
(d) All of these
Option d – All of these
Which of the following is correct about the Monoclonal antibodies?
(a) Single parent type attacks many antigens.
(b) Single parent type that attacks specific antigens.
(c) Various parent types attack many antigens.
(d) Various parent types attack single antigens.
Option b – Single parent type that attacks specific antigens
Garima II is the name of an
(a) Cloned buffalo
(b) Cloned cow
(c) Cloned sheep
(d) Bt tomato
Option a – Cloned buffalo
The Basis of DNA fingerprinting is
(a) The double helix
(b) Errors in the base sequence
(c) DNA replication
(d) DNA polymorphism
Option d – DNA polymorphism
Plasminogen activator or enzyme PTA is used for ( Biotechnology Question Papers with Answers )
(a) stimulating thromboplastin production.
(b) clearing turbidity of juices.
(c) maintaining plasma content.
(d) dissolving blood clots.
Option d – dissolving blood clots
Consider the following statements. I. The first transgenic cow is Rosie. II. The milk of the first transgenic cow contained human alpha-lactalbumin. Which of the statements given above is/are correct about transgenic cows?
(a) Both I and II
(b) Only I
(c) Only II
(d) Neither I nor II
Option a – Both I and II
Consider the following statements. I. Golden rice is vitamin A rich. II. The replacement of faulty genes with normal genes is called gene therapy. III. Transgenic organisms carry introduced foreign genes also called genetically modified organisms. Which of the statements given above are true?
(a) I and II
(b) II and III
(c) I and III
(d) I, II and III
Option d – I, II and III
The American multinational company, Monsanto, has produced an insect-resistant cotton variety that is undergoing field trials in India. A toxin gene from which one of the following bacteria has been transferred to this transgenic cotton
(a) Bacillus subtilis
(b) Bacillus thuringiensis
(c) Bacillus amyloliquefaciens
(d) Bacillus globigii
Option b – Bacillus thuringiensis
Which country has produced the first trangenic glowing pigs that are all green from the inside out
(a) Korea
(b) Japan
(c) Singapore
(d) Taiwan
Option d – Taiwan
Bt seed is associated with
(a) rice
(b) wheat
(c) Cotton
(d) oilseed
Option c – Cotton
Insect-resistant cotton plants have been genetically engineered by inserting a gene from an
(a) virus
(b) bacterium
(c) insect
(d) plant
Option b – bacterium
Researchers are manufacturing Genetically Modified (GM) fungi to produce
(a) Cheaper biofuel
(b) Generic drugs for the treatment of cancer
(c) Food supplements
(d) Edible oil
Option a – Cheaper biofuel
What is Pig 26?
(a) Insulin was obtained from the Indian pig using genetic engineering methods.
(b) An energy capsule is being used by astronauts as a food supplement.
(c) The first animal to be created by gene editing.
(d) New patent law was enforced in the USA.
Option c – The first animal to be created by gene editing
The cloned sheep ‘Dolly’ was created through which of the following technique given below?
(a) Gene transfer
(b) Nuclear transfer
(c) Somatic cell transfer
(d) Germinal cell transfer
Option b – Nuclear transfer
Injaz is the name of the world’s first cloned
(a) camel
(b) goat
(c) pig
(d) sheep
Option a – camel
What is the application of Somatic Cell Nuclear Transfer Technology?
(a) Production of biolarvicides
(b) Manufacture of biodegradable plastics
(c) Reproductive cloning of animals
(d) Production of organisms free of diseases
Option c – Reproductive cloning of animals
Hybridoma technology is a new biotechnological approach to the commercial production of
(a) Monoclonal antibodies
(b) Interferon
(c) Antibiotics
(d) Alcohol
Option a – Monoclonal antibodies
The method of reproduction of new plants by cells instead of seed is known as
(a) Tissue culture
(b) Mutation
(c) Antibiosis
(d) Recombination
Option a – Tissue culture
Which one is known as cruelty-free meat?
(a) Nz meat
(b) In vitro meat
(c) Meat from a naturally dead animal
(d) Plant products with animal nutrients
Option b – In vitro meat
What is Virotherapy?
(a) It is a therapy to treat viral infections in human beings.
(b) It is a treatment using biotechnology to convert viruses into therapeutic agents by reprogramming viruses to treat diseases.
(c) There are two main branches of virotherapy anti-cancer oncolytic viruses and viral immunotherapy.
(d) It is actually used to change harmful viruses into useful ones.
Option b – It is a treatment using biotechnology to convert viruses into therapeutic agents by reprogramming viruses to treat diseases
PCR stands for
(a) Polymerase Cyclic Reaction
(b) Polymerase Chain Reaction
(c) Polyethyl Cytosine Reaction
(d) Polymerisation Chain Reaction
Option b – Polymerase Chain Reaction
Taq polymerase enzyme is found in
(a) Thermus aquaticus
(b) E coli
(c) Pseudomonas
(d) Agrobacterium
Option a – Thermus aquaticus
The process by which multiple copies of the gene of interest are synthesized in vitro using two sets of primers is known as
(a) PCR
(b) Gel electrophoresis
(c) DNA fingerprinting
(d) Western blotting
Option a – PCR
The copies of a DNA molecule in a test tube are procured by
(a) Polymerase Chain Reaction (PCR)
(b) Molecular Chain Reaction (MCR)
(c) Ephemeral Chain Reaction (ECR)
(d) All of the above
Option a – Polymerase Chain Reaction (PCR)
What is the Cas9 protein that is often mentioned in news?
(a) Molecular scissors used in targeted gene editing.
(b) A biosensor is used in the accurate detection of pathogens in patients.
(c) A gene that makes plants pest resistant.
(d) A herbicidal substance synthesized in genetically modified crops.
Option a – Molecular scissors used in targeted gene editing
Recombinant DNA Technology (Genetic Engineering) allows genes to be transferred I. across different species of plants. II. from animals to plants. III. from microorganisms to higher organisms. Select the correct answer using the codes given below
(a) Only I
(b) II and III
(c) I and III
(d) All of the above
Option d – All of the above
The cutting of DNA at specific locations became possible with the discovery of
(a) cloning
(b) vectors
(c) restriction endonuclease
(d) Ligase enzyme
Option c – restriction endonuclease
What is the purpose of restriction enzymes used in genetic engineering?
(a) Restricts the protein synthesis in cells.
(b) Cuts DNA at specific base sequences.
(c) Degrade harmful proteins.
(d) Join different DNA fragments.
Option b – Cuts DNA at specific base sequences
By using which one of the following techniques, is DNA fingerprinting done?
(a) ELISA
(b) RIA
(c) Northern blotting
(d) Southern blotting
Option d – Southern blotting
Which one among the following is the chemical knives (scissors) used in genetic engineering?
(a) Polymerase
(b) Ligases
(c) Endonucleases
(d) Plasmid
Option c – Endonucleases
Which one of the following chemicals is used to fuse plant protoplasts in genetic engineering?
(a) Ethylene
(b) Polyethylene glycol
(c) Calcium nitrate
(d) Sodium hydroxide
Option b – Polyethylene glycol
We covered all the biotechnology MCQ for neet above in this post for free so that you can practice well for the exam.
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