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Q9 Which of the following statements correctly depicts the Beer-Lambert law? 1. Absorbance is directly proportional to path length and concentration. 2. Absorbance is directly proportional to molar absorptivity, and […]

Q8 Vande-Bharat express runs at a speed of 120 km/h. It starts from a station 8 hours after a goods train leaves that station. Vande-Bharat overtakes the goods train after […]

Q7 EcoRI enzyme recognizes the sequence GAATTC. A stretch of linear DNA with six GAATTC sites, upon digestion with EcoRI, will give rise to 1. 8 fragments 2. 7 fragments […]

Q6 Acid rain is caused by 1. Carbon dioxide 2. Hydrogen 3. Biomethane 4. Nitrogen dioxide What Causes Acid Rain? Understanding the Role of Nitrogen Dioxide and Other Pollutants Acid […]

Q5. A reservoir has two pipes, A and B. Pipe A can fill the reservoir in 12 hours. Pipe B takes 15 hours to fill the reservoir. There is another […]

Q4 In affinity chromatography, the protein bound to the column can be eluted using a buffer containing 1. 0.1 mM NaCl 2. Acetonitrile 3. immobilized ligand 4. free ligand   […]

Q3.What is meant by “Trophophase”? 1. Production of waste materials 2. Production of topical products 3. Production of primary metabolites 4. Production of secondary metabolites Understanding Trophophase and Its Role […]

Q2. Sam invested Rs. 30,000 at 5% per annum on simple interest for 4 years to Shyam. Sam also invested the same amount, for same duration and same rate of […]

Q1. Electrons from excited chlorophyll molecules of photosystem II are accepted first by 1. Ferredoxin 2. Cytochrome-b 3. Cytochrome-f 4. Plastoquinone Electron Flow in Photosystem II Photosystem II (PSII) is […]