Sieve element sap is rich in sugars and other organic molecules, These molecules represent an energy investment for the plant. How their loss be prevented when sieve elements are damaged?

TLS Online TPP Program

#Question id: 12671

#SCPH06 I Botany

When genetic changes in an entire plant population have been fixed over many generations by selective environmental pressure, those changes are referred to as,

TLS Online TPP Program

#Question id: 12672

#SCPH06 I Botany

Following are given some prediction about stress response which ultimately generate ROS;

a) Stress response activates the scavenging mechanism by ROS , these ROS is responsible for activating self-generation  mechanism by using RBOH

b) ROS have a negative effect on plant growth,  development,  and  yield

c) Almost every stress leads to the activation of ROS and its signal transduction

d) ROS indirectly induce acclimation mechanisms

Which of the following is the correct prediction about ROS activated by stress response?

TLS Online TPP Program

#Question id: 12673

#SCPH06 I Botany

Burning fossil fuels releases oxides of sulphur and nitrogen. Ultimately, these are probably responsible for

TLS Online TPP Program

#Question id: 12674

#SCPH06 I Botany

You  have  a  friend  who  is  wary  of  environmentalists? claims  that  global  warming  could  lead  to  major  biological change on Earth. Which of the following statements can you truthfully make in response to your friend's suspicions?

TLS Online TPP Program

#Question id: 12675

#SCPH06 I Botany

Use the incomplete diagram below, illustrating some of the steps involved in eutrophication to answer the following questions

What would be a likely entry for box A?

TLS Online TPP Program

#Question id: 12676

#SCPH06 I Botany

Use the incomplete diagram below, illustrating some of the steps involved in eutrophication to answer the following questions.

What would be a likely entry for box B?