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Q.38 Which of the following statement(s) is/are true?(A) In intrinsic semiconductors, the number of electrons is equal to the number of holes at anytemperature(B) An intrinsic semiconductor changes to an […]

Q.37 Electromagnetic waves _______.(A) carry energy(B) carry momentum(C) are transverse in nature while travelling in vacuum(D) do not need a material medium to travel Electromagnetic Waves: Energy, Momentum, Transverse Nature […]

Q.36 Which of the following cell types can develop from myeloid lineage?(A) Macrophages (B) T lymphocytes (C) B lymphocytes (D) Erythrocytes Macrophages develop from the myeloid lineage, while T and […]

Q.35 The advantage(s) of storing chemical energy in the form of starch and not as free glucose is/are thatit________.(A) minimizes diffusion(B) enables compact storage(C) reduces osmotic pressure(D) protects against chemical […]

Q.34 The characteristic oxygen binding profile of hemoglobin shown below arises due to the ________. (A) quaternary structure(B) subunit dissociation(C) cooperativity(D) conformational change The sigmoidal oxygen binding curve of hemoglobin […]

Q.33 Let f(x) = (x-1)(x-2)(x-3)(x-4) and let f(3/2) = α, f(5/2) = β and f(-7/2) = γ. Which of the following is/are CORRECT? (A) α and β have the same […]

Q.32 Let U = {1, 2, …, 15}. Let P ⊆ U consist of all prime numbers, Q ⊆ U consist of all even numbers and R ⊆ U consist […]

Q.31 Pick the correct statement(s) with respect to the inter-conversion of the topoisomers of a circularly closed double stranded DNA. (A) Only one strand needs to be cut (B) Both […]

Q.30 Among the following species, the metal center that has the highest number of unpaired electrons is _______.(A) VCl₄ (B) Ni(CO)₄ (C) [AuCl₄]⁻ (D) [CdBr₄]²⁻ VCl₄ has the metal center […]

Q.29 H₂ reacts with trans-(Ph₃P)₂Ir(CO)Cl to primarily produce _______. The complex trans-(Ph₃P)₂Ir(CO)Cl (Vaska’s complex) undergoes oxidative addition of H₂ to give a six‑coordinate dihydride iridium(III) product, where both hydrides are […]