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Q.18 During eukaryotic cell division, the amount of DNA doubles (A) between prophase and anaphase of mitosis (B) between prophase I and prophase II of meiosis (C) between the G1 […]

Q.16 Match the entries in Group I with that in Group II Group I P) Nucleolus Q) Spherosomes R) Peroxisomes S) Plasmodesmata Group II lipid storage breakdown of fatty acids […]

Q.15 Which of the following is NOT an example of an adaptive defense mechanism against predation? (A) Bright colors of bird‑pollinated flower (B) Insect that resembles a stick (C) Nicotine […]

Q.14 The natural geographical distribution of kangaroos is limited to the Australian continent because (A) abiotic factors determine the distribution (B) dispersal is limited by accessibility to other continents (C) […]

Q.13 If an aldol cleavage of glucose-6-phosphate occurs in glycolysis, it will result in (A) Products of equal carbon chain length (B) Products of unequal carbon chain length (C) Removal […]

Q.12 Match the entries in Group I with that in Group II Group I Pectinase Xylanase Cellulase Enzymes Group II P) In paper and pulp processing Q) Delignification R) Gluten […]

Q.11 Which of the following is true of protein synthesis ONLY in prokaryotes? (A) Translation and transcription are coupled (B) The codon AUG codes for the start signal (C) The […]

Q.10 The refractive index of diamond is 2.419. If the speed of light in vacuum is 3 · 10⁸ m s⁻¹, then the speed of light in diamond is (A) […]

Q.9 The average energy of a diatomic gaseous molecule at temperature T is kBT where kB is Boltzmann’s constant. The average energy of this molecule per degree of freedom is […]