45. Which hormone induces formation of Late Embryogenesis Abundant (LEA) protein during seed maturation? (1) Gibberellic acid (2) Ethylene (3) Abscisic acid (4) Cytokinin Correct answer: (3) Abscisic acid Explanation: […]
Tag: CSIR NET Life Science Previous Year Questions and Solution Plant Hormones
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CSIR NET Life Science Previous Year Questions and Solution Plant Hormones
The Role of Abscisic Acid in Seed Dormancy, Storage Reserve Deposition, and Desiccation Tolerance
44. The phytohormone responsible for deposition of storage reserves, prevention of precocious germination, acquisition of desiccation tolerance, and induction of primary dormancy in seeds is (1) Gibberlic Acid (2) Ethylene […]
CSIR NET Life Science Previous Year Questions and Solution Plant Hormones
The Key Hormone Regulating Stomatal Opening and Closing
Which hormone is responsible for opening and closing of stomata? (1) ABA (2) IAA (3) Cytokinin (4) Ethylene Correct answer: (1) Abscisic acid […]
CSIR NET Life Science Previous Year Questions and Solution Plant Hormones
Central Plant Hormone for Water Stress Response and Adaptation
42. Which hormone play important role in water stress in plants? (1) Abscisic acid (2) Ethylene (3) Gibberellic acid (4) Auxin Correct answer: (1) Abscisic acid Explanation: Abscisic […]
CSIR NET Life Science Previous Year Questions and Solution Plant Hormones
The Plant Hormone Responsible for Embryo Maturation
41. Hormone responsible for maturation of Embryo is- (1) Abscisic acid (2) Gibberellic acid (3) Ethylene (4) Auxin Correct answer: (1) Abscisic acid Explanation: Abscisic acid (ABA) is […]
CSIR NET Life Science Previous Year Questions and Solution Plant Hormones
Key Plant Hormone for Seed and Bud Dormancy and Stress Response
Which of the following is the plant hormone involved in seed and bud dormancy and in response of plants to stress? (1) Abscisic acid (2) Cytokinin (3) Auxins […]
CSIR NET Life Science Previous Year Questions and Solution Plant Hormones
Key Sites of Plant Hormone Production
Plants make several hormones that are important for growth and development. Some statements on plant hormones are given below: A. Auxin is produced primarily in the root apices B.Cytokinins are […]
CSIR NET Life Science Previous Year Questions and Solution Plant Hormones
SAM as a Key Precursor in Ethylene Biosynthesis Pathway
S-adenosyl methionine is a precursor of which plant hormone? (1) Absiccic acid (2) Auxin (3) Ethylene (4) Cytokinin Correct answer: (3) Ethylene Explanation: S-adenosyl methionine (SAM) is a […]
CSIR NET Life Science Previous Year Questions and Solution Plant Hormones
Aspirin Delays Plant Senescence by Inhibiting Ethylene Synthesis
Aspirin delays senescence in cut parts of plant and keeps flower fresh for longer time The effect of aspirin (1) by decreasing the synthesis of ethylene. (2) by increasing the […]
CSIR NET Life Science Previous Year Questions and Solution Plant Hormones
Key Intermediate in Ethylene Biosynthesis Pathway
36. For which one of the plant hormone biosynthetic pathways, 1-aminocyclo- propane- 1 -carboxylic acid is an intermediate? (1) Abscisic acid (2) Brassinosteroid (3) Ethylene (4) Gibberellic acid […]
