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Q. 91 Detoxification of alcohol occurs in liver cells where peroxisomal enzymes remove hydrogen from it, which is (A) combined with water molecules to generate hydrogen peroxide. (B) used to […]

Q.90 Which of the following cations are found in higher concentration in extracellular fluid as compared to intracellular fluid in animals? (A) Na+and Ca++ (B) K+and Ca++ (C) K+and Mg++ […]

Q. 89 The sex of a Drosophila melanogaster, which has 4 copies of X-chromosomes and 4 sets of autosomes will be (A) female. (B) male. (C) metafemale. (D) metamale. In Drosophila […]

Q. 88 The nature of the polymorphic DNA fragment used for mapping is (A) dominant. (B) partial dominant. (C) co-dominant. (D) recessive Understanding the Nature of Polymorphic DNA Fragments in […]

Q. 87 A population of Bees develops resistance to pesticides and the trait gets fixed within a few generations. This is an example of (A) macroevolution. (B) disruptive selection. (C) […]

Q.86 Acorn worms (Saccoglassus sp.) belong to which ONE of the following Phyla? (A) Platyhelminthes (B) Achelminthes (C) Hemichordata (Chordata) (D) Annelida Acorn worms, including species like Saccoglossus, belong to the […]

Q.85 Match the antibiotics given in Group I with appropriate targets from Group II. Group I (P) Nalidixic acid (Q) Tetracycline (R) Erythromycin (S) Rifampin Group II (I) RNA polymerase […]

Q.84 Match the cell structure components given in Group I with appropriate functions from Group II. Group I (P) Cell membrane (Q) Purple membrane (R) Cisternae (S) Outer membrane Group […]

Q. 83 The growth profile of E. coli on glucose plus lactose is shown below. The specific growth rate of the second exponential phase is ____ 𝐡−𝟏. Diauxic growth in E. […]

Q. 82 If a bacterial cell contains 5,000 genes and if the average mutation frequency per gene is 𝟐 × 𝟏𝟎−𝟒 per generation, the average number of new mutations per […]