Practice Questions

  1. Home
  2. Free Resources
  3. Practice Questions
  4. 38633
TLS Online TPP Program

#Question id: 11092

Which statement is the most accurate definition of external respiration?

#I Life Science/ Life Sciences Group – I-V
  1. Bulk flow (convection) of air or water to and from the gas-exchange membrane.
  2. The process by which O2 is transported to the gas-exchange membrane from the environmental medium and by which CO2 is transported away from the membrane into the environmental medium.

  3. The process by which CO2 is transported to the gas-exchange membrane from the environmental medium and O2 is transported away from the membrane into the environmental medium.

  4. Diffusion of O2 and CO2 across the gas exchange membrane.
More Questions
TLS Online TPP Program

#Question id: 27999

#Research Methodology

Research is
TLS Online TPP Program

#Question id: 17654

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

The protein concentration in DNA extraction sample measured by
TLS Online TPP Program

#Question id: 8841

#SCPH28 | Zoology

Adaptive radiations can be a direct consequence of four of the following five factors. Select the exception.
TLS Online TPP Program

#Question id: 5220

#SCPH28 | Zoology

In comparing the genomes of humans and those of other higher primates, it is seen that humans have a large metacentric pair we call chromosome #2 among our 46 chromosomes, while the other primates of this group have 48 chromosomes and any pair like the human #2 pair is not present; instead the primate groups each have two pairs of midsize acrocentric chromosomes. What is the most likely explanation?
TLS Online TPP Program

#Question id: 11656

#SCPH28 | Zoology

What is the assumption of Clements in colonizing successional  species?