Biological Classification MCQ for NEET. We covered all the Biological Classification MCQ for NEET in this post for free so that you can practice well for the exam.
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MCQ on Biological Classification for NEET Students
Which of the following is a microbe that forms a symbiotic association with plants?
(A) Azospirillum
(B) Glomus
(C) Cyanobacteria
(D) Azotobacter
Option b – Glomus
A major part of the activated sludge is pumped into the
(A) aeration tank
(B) anaerobic digester
(C) aerobic digester
(D) settling tank
Option b – anaerobic digester
Organisms that enrich the nutrient quality of soil and reduce its chemical dependence are called
(A) bioactive agents
(B) biopesticides
(C) biofortifiers
(D) biofertilizers
Option d – biofertilizers
Which was the first restriction endonuclease isolated?
(A) SalI
(B) BamHI
(C) EcoRI
(D) Hind II
Option d – Hind II
Which of the following conditions triggers the activation of toxin produced by Bacillus thuringiensis?
(A) High temperature
(B) Acidic pH of the stomach
(C) Mechanical action in the insect gut
(D) Alkaline pH of the gut
Option d – Alkaline pH of the gut
Identify the INCORRECT statement with respect to insulin.
(A) The polypeptide chains A and B are linked together by glycosidic bonds.
(B) The C peptide is not present in mature insulin.
(C) In mammals, insulin is synthesized as pro-hormone.
(D) Insulin is manufactured by introducing appropriate DNA sequences in plasmids of E. coli.
Option a – The polypeptide chains A and B are linked together by glycosidic bonds.
Which of the following enzymes is NOT required for the isolation of DNA from plant cells?
(A) Ribonuclease
(B) Protease
(C) Chitinase
(D) Cellulase
Option c – Chitinase
The first clinical gene therapy given in 1990, was for treating which of the following conditions?
(A) Rheumatoid arthritis
(B) Down’s syndrome
(C) Diabetes mellitus
(D) Adenosine deaminase deficiency
Option d – Adenosine deaminase deficiency
Prior to the work of Avery, Macleod, and McCarty genetic material was thought to be
(A) DNA
(B) RNA
(C) protein
(D) polysaccharide
Option c – protein
……… is a biofortified crop.
(A) Atlas-66
(B) Karan rai
(C) Himgiri
(D) Pusa A-4
Option a – Atlas-66
Assertion: Replication occurs within a small opening of the helix structure, referred to as the replication fork. Reason: DNA polymerase cannot spontaneously initiate the process of replication.
(A) Both assertion and reason are true and the reason is the correct explanation of assertion.
(B) Both assertion and reason are true but the reason is not the correct explanation of assertion.
(C) The assertion is true but the reason is false.
(D) Both assertion and reason are false.
Option b – Both assertion and reason are true but the reason is not the correct explanation of assertion.
Read the following statements and choose the correct option. Statement I: “Toddy” is made by fermenting sap from palms. Statement II: Roquefort cheese is ripened by growing a specific bacteria on them.
(A) Statement I is correct and statement II is incorrect.
(B) Statement II is correct and statement I is incorrect.
(C) Both statement I and statement II are correct.
(D) Both statement I and statement II are incorrect.
Option a – Statement I is correct and statement II is incorrect.
Which of the following codon does not code for serine?
(A) UCU
(B) UCC
(C) UAA
(D) UCG
Option c – UAA
In 1963, which high yielding and disease. resistant varieties of wheat were introduced in India?
(A) Jaya and Ratna
(B) Sonalika and Ratna
(C) Semi-dwarf and Jaya
(D) Sonalika and Kalyan Sona
Option d – Sonalika and Kalyan Sona
Read the following statements and choose the correct option. Statement I: High frequency of inheritable mutations within a population is termed DNA polymorphism Statement II: The probability of DNA polymorphism to be observed in non-coding DNA sequences is higher than that of coding sequences.
(A) Statement I is correct and statement II is incorrect.
(B) Statement II is correct and statement I is incorrect.
(C) Both statement I and statement II are correct.
(D) Both statement I and statement II are incorrect.
Option c – Both statement I and statement II are correct.
Which of the following statement INCORRECT with respect to transcription?
(A) RNA polymerase I transcribe 18S rRNA
(B) RNA polymerase II transcribes 28S rRNA
(C) RNA polymerase II transcribes 5srRNA
(D) hnRNA is the precursor of mRNA
Option b – RNA polymerase II transcribes 28S rRNA
…….. provides energy for polymerization reaction during DNA replication.
(A) Adenosine triphosphate
(B) Deoxyribonucleoside triphosphate
(C) Guanosine triphosphate
(D) Uridine triphosphate
Option b – Deoxyribonucleoside triphosphate
Which of the following factors makes plasmids a suitable vector in genetic engineering?
(A) Ability to integrate with chromosomal DNA
(B) Ability to cause infection in the host
(C) Ability to carry a foreign gene
(D) Resistance to restriction enzymes
Option c – Ability to carry a foreign gene
Atlas 66 is a wheat variety with high
(A) vitamin content
(B) protein content
(C) micronutrient content
(D) mineral content
Option b – protein content
Which of the following is the process of removal of introns and joining of exons in a defined order?
(A) Termination
(B) Splicing
(C) Capping
(D) Tailing
Option b – Splicing
Assertion: Avery Macleod and McCarthy concluded that DNA is hereditary material. Reason: Digestion with DNase did not inhibit the process of transformation.
(A) Both assertion and reason are true and the reason is the correct explanation of assertion.
(B) Both assertion and reason are true but the reason is not the correct explanation of assertion.
(C) The assertion is true but the reason is false.
(D) Both assertion and reason are false.
Option c – The assertion is true but the reason is false.
Read the following statements and choose the correct option. Statement I: Bees are pollinators of Brassica, sunflowers, and pears. Statement II: Beekeeping is a labor-intensive practice.
(A) Statement I is correct and statement II is incorrect.
(B) Statement II is correct and statement I is incorrect.
(C) Both statement I and statement II are correct.
(D) Both statement I and statement II are incorrect.
Option a – Statement I is correct and statement II is incorrect.
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