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Q.62 In diploid eukaryotic species, homologous chromosomes can exchange pieces with each other, a phenomenon called crossing over. Which of the following statements are TRUE? The crossing over event occurs […]

Q.61 Given below are two statements: Statement I : The Northern and Western blotting techniques are used to size and quantify RNA and protein molecules, respectively. Statement II : In […]

Q.60 Given below are two statements: Statement I : Electron transport via the respiratory chain creates a proton gradient which drives the synthesis of ATP. Statement II : Peter Mitchell […]

Q.59 Given below are two statements: Statement I : An icosahedron is a regular polyhedron with 60 equilateral triangular faces and 20 vertices. Statement II : The simplest virion consists […]

Q.58 Given below are two statements: Statement I : Gene therapy is a therapeutic technique that aims to transfer normal genes into a patient’s cells. Statement II : Gene therapy […]

Q.57 Given below are two statements: Statement I : Phytohormone ethylene promotes senescence and abscission of plant organs. Statement II : The most widely used compound as source of ethylene […]

Q.56 Given below are two statements: Statement I : The Pineal gland is located on the dorsal side of forebrain. It secretes a hormone called melatonin. Statement II : Melatonin […]

Q.55 Given below are two statements: Statement I : Formation of additional coils due to twisting forces is referred to as DNA supercoiling. Statement II : The enzyme DNA gyrase, […]

Q.54 Identify the correct sequence of steps involved in detection of specific DNA fragments from a mixture of DNA: DNA is separated by electrophoresis and visualized by staining. Filter is […]

Q.53 The body cavity, which is lined by mesoderm is called Coelom. Which of the following is/are NOT coelomates: Hemichordates Chordates Platyhelminthes Annelids Arthropods Choose the correct answer from the […]