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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 […]

Q52. In the arrangement of floral parts in a bud, identify the INCORRECT statement (A) Valvate: where the petals or sepals do not overlap but simply touch one another by […]

Q51. A sign is hammered into a tree trunk 2 meters above the tree’s base. If the tree is 10 meters tall and elongates 1 meter each year, how high […]

Q50. Which of the following statements is CORRECT? (A) Plants adapted to cold environment have higher ratio of “unsaturated to saturated” fatty acids in their membrane compared to those adapted […]

Q49. Arabidopsis and rice have diploid chromosome numbers of 10 and 24, respectively. Assuming no crossing over taking place, genetic variation among F2 individuals in a genetic cross is likely […]

Q48. Which one of the following is NOT a plant hormone? (A) Abscisic acid (B) Brassinosteroid (C) Ethylene (D) Cytokine Answer: (D) Cytokine Cytokines are signaling proteins primarily found in […]