Tag: GATE Life Science Previous Year Papers with Solutions

Q.52 Considering environment and ecosystem, identify the INCORRECT statement (A) In detrital food chain, it is very difficult to measure the energy flow although the use of radioactive tracers give […]

Q.51 In the symbiotic nitrogen fixation process, Leghemoglobin present in the nodule helps in fixing nitrogen in presence of the enzyme (A) Nitrate synthetase (B) Nitrate synthase (C) Glutathione synthetase […]

Q.50 Identify the event that exclusively occurs in meiotic cell division (A) Chromatid formation (B) Spindle formation (C) Synapsis (D) Chromosome movement to pole Meiosis Exclusive Event: Synapsis vs Mitosis […]

Q.49 The aflatoxin found in post-harvested grains is injurious to health due to (A) Aspergillus (B) Alternaria (C) Fusarium (D) Phytopthora Aflatoxin in Post-Harvest Grains: Health Hazard from Aspergillus Aflatoxins […]

Q.48 Which one of the following statements having the terms – gene, chromosome and genome is CORRECT? (A) The rice gene contains about 50,000 genomes located on 12 different chromosomes […]

Q.47 During cellular respiratory process, pyruvate must be oxidized to acetyl CoA and CO2 before it enters the citric acid cycle. The corresponding simplified equation is: Pyruvate + NAD+ + CoASH […]

Q.46 Bast fibres are present in (A) Xylem (B) Phloem (C) Collenchyma (D) Parenchyma Bast Fibres Location in Plants: Phloem, Xylem, Collenchyma or Parenchyma? Bast fibres, also called phloem fibres, […]

Q.45 A patient suffering from pneumonia and tuberculosis was found to have very low CD4+ T cells. In all probability the PRIMARY causative infectious agent belongs to (A) Klebsiella family […]

Q.44 An enzyme of 40 kDa is added to a substrate solution in a molar ratio of 1:3. The concentration of the enzyme in the mixture is 12 mg/ml. What […]

Q.43 You have expressed the following protein that has an isoelectric point of 6.0. The best order of protein purification methodologies to obtain a pure protein is? (A) Gel filtration […]