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Q.95 Consider a large population of a finch species, where both small and big beak sizesare advantageous, and an intermediate beak size is maladaptive. Over a period of10 years, which […]

Q.94 Which one of the options correctly matches the human tissues/organs with their embryonic germ layers of origin? Tissues/organs Embryonic germ layers (P) liver (I) ectoderm (Q) cerebellum (II) endoderm […]

Q.93 Which one of the following statements is NOT TRUE of glycosaminoglycans?(A) Glycosaminoglycans are composed of repeating disaccharide units.(B) Glycosaminoglycans consist of amino sugars that are frequently sulfated.(C) Hyaluronic acid […]

Q.92 The human genetic code is triplet in nature with 64 codons made using fournucleotides. If the human genetic code was doublet in nature, the number of codonstheoretically possible from […]

Q.91 Urease enzyme catalyzes the conversion of urea into ammonia and carbon dioxide.Which one of the following organisms expresses urease enzyme?(A) Caenorhabditis elegans(B) Drosophila melanogaster(C) Helicobacter pylori(D) Homo sapiens Helicobacter […]

Q.90 Which one of the following statements describes the key function of human sweatglands?(A) They serve as touch sensors.(B) They are responsible for skin color.(C) They regulate body temperature.(D) They […]

Q.89 In certain species of salamanders, male–female pairs have multiple mating partnersin a breeding season. Which one of the following terminologies accurately describesthis mating system?(A) monogamy(B) polyandry(C) polygyny(D) polygynandry Polygynandry […]

Q.88 CREB1 is a eukaryotic transcription factor. In which one of the followingcompartments of the cell is CREB1 predominantly localized?(A) lysosomes(B) mitochondria(C) nucleus(D) peroxisomes CREB1, a key eukaryotic transcription factor, […]

Q.87 Codon bias is correlated with the relative frequencies of which one of the followingtypes of RNA?(A) mRNA(B) rRNA(C) siRNA(D) tRNA The correct answer is (D) tRNA. Codon bias refers […]

Q.86 Which one of the following tissues/organs is least likely to experiencegraft rejection when transplanted from a person to an unrelated person?(A) bone marrow(B) cornea(C) heart(D) kidney Cornea is the […]