Practice Questions

  1. Home
  2. Free Resources
  3. Practice Questions
  4. 8528
TLS Online TPP Program

#Question id: 11746

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?

#Unit 6. System Physiology – Plant
  1. Short-term sealing mechanisms not involve sap proteins
  2. long-term mechanism for preventing sap loss entails closing sieve plate pores with callose   
  3. For preventing sap loss using smooth endoplasmic reticulum (SER) which covers the sieve areas  
  4. long-term mechanism for preventing sap loss opening of the sieve tube in angiosperm
More Questions
TLS Online TPP Program

#Question id: 19241

#Unit 12. Applied Biology

The GUS gene encodes a stable enzyme that is not normally present in plants and that catalyzes the cleavage of a range of 
TLS Online TPP Program

#Question id: 2083

#Unit 2. Cellular Organization

Sphingolipids are considered amphipathic glycolipids if:
TLS Online TPP Program

#Question id: 11356

#Unit 10. Ecological Principles

The Lotka-Volterra population models for predator and prey result in:
TLS Online TPP Program

#Question id: 3899

#Unit 3. Fundamental Processes

Which one of the following classes of genes is involved in specifying the localization of organs in the Drosophila embryo?
TLS Online TPP Program

#Question id: 28797

#Unit 2. Cellular Organization

Formins are activated by___