Q.25 The inability in humans to taste capsaicin resides in a single gene difference betweentwo alleles P and p. The allele P for tasting is dominant over the nontasting allele.In […]
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![Q.24 Determine the correctness or otherwise of the following Assertion [a] and the Reason [r]. Assertion [a]: The cardiovascular organization called double circulation provides vigorous flow of blood to the brain, muscles, and other organs. Reason [r]: The blood is pumped a second time after it loses pressure in the capillary beds of the lungs or skin. (A) Both [a] and [r] are true and [r] is the correct reason for [a] (B) Both [a] and [r] are true but [r] is not the correct reason for [a] (C) Both [a] and [r] are false (D) [a] is true but [r] is false](https://www.letstalkacademy.com/wp-content/uploads/2025/12/slide_24-4.jpg)
IIT JAM Biotechnology Previous Year Question Paper 2023
Double Circulation Assertion Reason
Q.24 Determine the correctness or otherwise of the following Assertion [a] and theReason [r].Assertion [a]: The cardiovascular organization called double circulation providesvigorous flow of blood to the brain, muscles, and […]
IIT JAM Biotechnology Previous Year Question Paper 2023
Hfr Strain Conjugation with F- E. coli
Q.23 Which one of the following is correct in the case of conjugation of a high frequencyrecombination (Hfr) strain with F– strain of E. coli?(A) Recombination frequency is high, F […]
IIT JAM Biotechnology Previous Year Question Paper 2023
Microorganisms and Human Diseases Matching
Q.22 Match the microorganisms in Group I with the human disease in Group IIGroup I […]
IIT JAM Biotechnology Previous Year Question Paper 2023
Photoproteins in Plants
Q.21 Which one of the following statements about photoproteins in plants isINCORRECT?(A) Phytochromes are activated by red light(B) Phytochromes are inactivated by far–red light(C) Cryptochromes are sensitive to blue light(D) […]
IIT JAM Biotechnology Previous Year Question Paper 2023
How to Solve Pedigree Analysis Questions
Q.20 The pedigree given below shows individuals affected (shaded circles/rectangles) bychronic hypertension. Assuming 100% penetrance, the inheritance of this trait is(A) autosomal dominant(B) autosomal recessive(C) sex–linked dominant(D) sex–linked recessive Pedigree […]
IIT JAM Biotechnology Previous Year Question Paper 2023
Southern Blot Technique
Q.19 In the ‘Southern blot’ technique, which of the following reagents is used to detectthe presence of a desired DNA fragment?(A) Ethidium bromide(B) DNA probe(C) Silver nitrate(D) DNase The Southern […]
IIT JAM Biotechnology Previous Year Question Paper 2023
Tetracycline Binds to 30S Subunit and Inhibits Aminoacyl-tRNA Binding
Q.18 Tetracycline binds to the(A) 30S subunit and inhibits aminoacyl–tRNA binding(B) 50S subunit and inhibits aminoacyl–tRNA binding(C) 30S subunit and prevents codon:anticodon interactions(D) 50S subunit and blocks exit of growing […]
IIT JAM Biotechnology Previous Year Question Paper 2023
DNA Repair Mechanisms and Enzymes Matching
Q.17 Match the type of DNA repair mechanism in Group I with the enzyme(s) involvedin Group IIGroup I […]
IIT JAM Biotechnology Previous Year Question Paper 2023
Solute Transport Across Membranes
Q.16 Which one of the following statements is correct about solute transport acrossmembranes?(A) Passive transporters decrease the activation energy and does not facilitate thetransport of polar compounds(B) The direction in […]
