Tag: GATE Life Science Previous Year Papers with Solutions

Q62. Identify the CORRECT statements In Arabidopsis, vernalization is associated with P. Chromatin modification at the FLC (FLOWERING LOCUS C) locus Q. Degradation of the FLC protein R. Inactivating the […]

Q61. Name the structures given below in the order of their appearance and identify corresponding glycosidic linkages (A) Amylose, Cellulose; (α1→4), (β1→6) (B) Cellulose, Dextran; (β2→4), (α3→6) (C) Starch, Cellulose; […]

Q60. Regarding the relationships between two organisms in an ecosystem, match the following Group I (Relationship) Group II (Definition) P. Commensalism Q. Mutualism R. Parasitism S. Amensalism 1. Both organisms […]

Q.59 From the structures given below, identify the compounds Group I (Structure)   Group II (Compound) 1. Ethylene 2. Indole butyric acid 3. Nicotine 4. Indole acetic acid 5. Gibberellic […]

Q.58 Identify the Correct Match   Group II (Type of Fixation) 1. Basifixed 2. Longitudinal 3. Dorsifixed 4. Adnate 5. Porous 6. Versatile Options (A) P-1, Q-4, R-6, S-3 (B) […]

Q57. Match the following Group I Group II Group III P. Sorghum Q. Castor R. Mushroom S. Cotton 1. Gossypol 2. Strychnine 3. Dhurrin 4. Bungarotoxin 5. Ricin 6. α-Amanitin […]

Q56. Identify the CORRECT statements from the following P. Lenticels are the small pores present on the surface of the stem or branches of woody plants Q. Glyoxysomes contain chlorophyll […]

Q55. Free radical scavenging activity of a medicinally important plant extract can be quantified by (A) ABTS (2,2′-azino-bis-(3-ethyl benzothiazoline-6-sulphonic acid)) method (B) Bradford method (C) Walkley and Black method (D) […]

Q54. The amount of chemical energy available to consumers in an ecosystem is best represented by (A) Gross primary production (B) Net primary production (C) Respiration (D) Photosynthesis Answer: (B) […]

Q53. The possible genotypes of endosperms borne on a heterozygous (Rr) plant will be (A) RRR, RRr, Rrr, rrr (B) RRR, Rrr (C) RR, Rr, rr (D) Rr Endosperm in […]