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Q.43 Match List I with List II : List I (A) Nucleic Acid (B) Bacterial Transformation (C) One gene one enzyme hypothesis (D) Restriction enzymes List II (I) George Beadle […]

Q.42 Given below are two statements: Statement I : Golden rice is a transgenic crop with enhanced levels of riboflavin (a precursor of vitamin A). Statement II : To create […]

Q.41 In the chain elongation process, the factor involved in translocation of ribosome from one codon to the next along the mRNA is: (1) GDP (2) NADP (3) EF-G (4) […]

Q.40 Regulatory portion of plant genes located primarily upstream from the transcription site is called (1) Gene enhancer (2) Gene promoter (3) G-Box (4) Termination site The correct answer is […]

Q.39 The citric-acid cycle takes place in (1) Mitochondrial matrix (2) Protoplast (3) Chloroplast membrane (4) Cell membrane The citric acid cycle, also known as the Krebs or TCA cycle, […]

Q.38 Given below are two statements: One is labelled as Assertion (A) and the other is labelled as Reason (R): Assertion (A): Embryo rescue technique is used for embryo culture. […]

Q.37 Which of the following are autosomal dominant traits? (A) Colour blindness (B) Myotonic dystrophy (C) Phenylthio Carbamide Tasting (D) Phenylketonuria (E) Brachydactyly Choose the most appropriate answer from the […]

Q.36 Genes which code for primary structure of enzymes in operon model are called : (1) Structural genes (2) Repressor genes (3) Regulatory genes (4) Negative genes Answer: (1) Structural […]

Q.35 Double-helix structure of DNA is made up of a linear polymer comprised of subunits called (1) Nucleic acids (2) Amino acids (3) Nucleotides (4) Carbohydrates The correct answer is […]

Q.34 The extra-chromosomal heredity unit, circular in nature is called (1) X-Factor (2) Plasmid (3) Cosmid (4) RecA Protein The correct answer is (2) Plasmid. Plasmids are small, circular, double-stranded […]