Asked by Romina Reilly-Suarez on May 01, 2024

verifed

Verified

Temperature extremes, lack of water, and other environmental stresses trigger an increase in which hormone?

A) gibberellin
B) auxin
C) abscisic acid
D) ethylene
E) cytokinin

Abscisic Acid

A plant hormone that regulates growth, inhibits seed germination, and mediates the plant's response to stress conditions like drought.

Hormone

An internal chemical that manages and influences the actions of particular cells or organs in the body.

Environmental Stresses

External factors such as temperature, water, and pollution that can cause physiological stress to organisms, affecting their survival and reproduction.

  • Learn about the contribution and dissemination of plant hormones in the processes of growth and stress response.
  • Explain the components of systemic acquired resistance and plant adaptation strategies to environmental stress factors.
verifed

Verified Answer

ZK
Zybrea KnightMay 02, 2024
Final Answer :
C
Explanation :
Abscisic acid is responsible for closing stomata (tiny pores on the leaves) during water stress and drought conditions. It also triggers other responses to environmental stresses such as heat shock, cold shock, and salt stress.