Tag: GATE Life Science Previous Year Papers with Solutions

Q.67 To select for spontaneously arising histidine auxotrophs in a population, you would use a medium containing (A) Histidine and penicillin (B) Penicillin but no histidine (C) Histidine and lysozyme (D) […]

Q.66 Quinolones inhibit bacterial growth by targeting (A) DNA replication (B) mRNA translation (C) RNA polymerase (D) active transport of nutrients into the cell Quinolones like ciprofloxacin block bacterial DNA processes […]

Q.65 Which of the following statements are INCORRECT on ecological point of view? P. Primary succession involving xerosere is initiated in a wet habitat Q. Halones commonly found in electronic equipment […]

Q.64 Identify the CORRECT statements. P. Specialized parenchymatous cells with tannins and crystals of calcium oxalate are termed as sclereids Q. The sieve elements of angiosperms are surrounded by companion cells […]

Q.63 Which of the following statements are TRUE for the plastid genomes? P. Plastid genome is circular in nature with genome size of 120–160 kb Q. The plastid ribosomes are with […]

Q.62 Identify the CORRECT statements for phylogenetic systems of classification P. The most popular phylogenetic system of classification is that of George Bentham and Joseph Dalton Hooker and was published in […]

Q.61 Match the name of the disease with the causal organism Disease Causal organism P. False smut of rice 1. Plasmopara viticola Q. Ring rot of potato 2. Colletotrichum falcatum […]

Q.60 Match the plants with their seed storage proteins Plant Protein P. Rape seed 1. Kafirin Q. Pea 2. Vicillin R. Sorghum 3. Gliadin S. Wheat 4. Napin 5. Zein 6. […]

Q.59 Match the gene of interest for various aspects of crop improvement Gene insert P. bar Q. vip3A R. β-lcy S. gsh-II Aspects of crop improvement 1. Tolerance to heavy metals […]

Q.58 Match the following plant secondary compounds with their uses and source plants Compounds P. Guggulusterol Q. Shikonin R. Ajmalicine S. Glycyrrhizin Uses 1. Anti-hypertensive 2. Anti-rheumatic 3. Dye 4. Sweetener […]