Practice Questions

  1. Home
  2. Free Resources
  3. Practice Questions
  4. 45761
TLS Online TPP Program

#Question id: 8846

Why are hydrocarbons insoluble in water?

#SCPH06 I Botany
  1. The majority of their bonds are polar covalent carbon-to-hydrogen linkages.

  2. The majority of their bonds are nonpolar covalent carbon-to-hydrogen linkages.

  3. They are hydrophilic.
  4. They exhibit considerable molecular complexity and diversity.
More Questions
TLS Online TPP Program

#Question id: 2283

#SCPH01 Biochemistry

Most cells are very small. A typical eukaryotic cell, both plant and animal, will occur in which of the following size ranges?
TLS Online TPP Program

#Question id: 14744

#SCPH05 I Biotechnology

For production of an enzyme used for synthesis of a sun protection lotion, the required kinetic data and constants are: 
vmax = 2.3 mmol.m-3 s-1 Km = 8.9 mmol.-1 So = 12 mmol1- 
Find the reaction time for 95% conversion of raw material 
TLS Online TPP Program

#Question id: 6976

#SCPH01 Biochemistry

What is the major concern of using retroviral vectors to deliver or activate pluripotent genes?
TLS Online TPP Program

#Question id: 3699

#SCPH28 | Zoology

In this diagram of the process of DNA replication at a replication fork, the black boxes labeled D and E are:
TLS Online TPP Program

#Question id: 11268

#SCPH06 I Botany

Consumption efficiency (CE) is the proportion of production at one trophic level that is eaten by, or ingested, by the next trophic level but Assimilation efficiencies (AE) is the proportion of ingested energy that is assimilated into the bloodstream. Which of the Following statement is correct?