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Q.41 C3 plants utilize 18 molecules of ATP to synthesize one molecule of glucose from CO 2 . How manymolecules of ATP equivalents are used by C 4 plants to […]

Q.40 The reaction of (R)-2-bromobutane with CN proceeds by ________.(A) retention of configuration(B) inversion of configuration(C) formation of CH2 =CH(CH2 CH3 )(D) formation of (S)-2-methylbutanenitrile The reaction of (R)-2-bromobutane with […]

Q.39 BF 3 reacts readily with ________.(A) C5 H5 N (B) SnCl 2(C) SO3 (D) (C5 H5 N)SnCl 2 BF3 reacts readily with pyridine (C5H5N), forming a stable Lewis acid-base […]

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 […]