Question

Which of the following statements is incorrect?

• A. The role of PGR is only to exert intrinsic control
• B. Along with genomic control and extrinsic factor, they play an inportant role in plant growth and development
• C. Many of the intrinsic factors such temperature and light control the plant growth and development via PGR like vernalisation, flowering, dormancy, seed germination and plant movements
• D. Both light and temperature have a role on initiating flowering

Answer 1

Answer: (C)

Statement in option (c) is incorrect and can be corrected as
Temperature and light are extrinsic factors which control plant growth and development via PGR like vernalisation, flowering, dormancy, seed germination and plant movements.
Rest of the statements are correct.