Practice Questions

  1. Home
  2. Free Resources
  3. Practice Questions
  4. 45532
TLS Online TPP Program

#Question id: 4601

DDT was once considered a "silver bullet" that would permanently eradicate insect pests. Instead, DDT is largely useless against many insects. Which of these would have prevented this evolution of DDT resistance in insect pests?

#SCPH06 I Botany

  1. All habitats should have received applications of DDT at about the same time.

  2. The frequency of DDT application should have been higher.

  3. None of the insect pests would have genetic variations that resulted in DDT resistance.

  4. DDT application should have been continual.

More Questions
TLS Online TPP Program

#Question id: 10525

#SCPH05 I Biotechnology

The major cyanogenic glycoside in_____i______ is _____ii______.

a) i-sorghum, ii-Amygdalin

b) i-sorghum, ii-dhurrin

c) i-Cassava, ii-lotaustralin

d) i-Cassava, ii-linamarin

Which one is incorrect combination of cyanogenic glycoside?
TLS Online TPP Program

#Question id: 10138

#I Life Science/ Life Sciences Group – I-V

The Calvin–Benson cycle proceeds in three phases that are highly coordinated in the chloroplast these three phases namely--Carboxylation, Reduction and Regeneration. The following statements are not related to the three phases of Calvin–Benson cycle:
TLS Online TPP Program

#Question id: 10557

#SCPH06 I Botany

The attraction of water to a solid phase such as a cell wall or glass surface known as
TLS Online TPP Program

#Question id: 11194

#I Life Science/ Life Sciences Group – I-V

The "threshold" potential of a membrane is the ________.
TLS Online TPP Program

#Question id: 3857

#SCPH05 I Biotechnology

The CAAT box is usually located near the position: