Practice Questions

  1. Home
  2. Free Resources
  3. Practice Questions
  4. 9247
TLS Online TPP Program

#Question id: 12465

Which statement best describes what ultimately happens to the chemical energy that is not converted to new biomass in the process of energy transfer between trophic levels in an ecosystem?

#Unit 10. Ecological Principles
  1. It is undigested and winds up in the feces and is not passed on to higher trophic levels
  2. It is used by organisms to maintain their life processes through cellular respiration reactions.
  3. Heat produced by cellular respiration is used by heterotrophs to thermoregulate.
  4. It is dissipated into space as heat in accordance with the second law of thermodynamics.
More Questions
TLS Online TPP Program

#Question id: 23577

#Unit 8. Inheritance Biology

Duplications and deletions often arise from__
TLS Online TPP Program

#Question id: 5716

#Unit 8. Inheritance Biology

Which of the meiotic pairing possibilities in tetraploids and their consequence is correct?

A-chromosomes pair as bivalents, segregate normally producing diploid gametes.

B- Chromosomes pair as quadrivalent, segregates normally producing tetraploid gametes.

C-Chromosome pair as Trivalents form, segregation leads to nonfunctional aneuploid gametes

 D- Chromosome pair as Trivalents form, segregation leads to producing diploid gametes
TLS Online TPP Program

#Question id: 14511

#Unit 13. Methods in Biology

The probability of getting a multiple of 2 in the throw of a die
TLS Online TPP Program

#Question id: 19994

#Unit 2. Cellular Organization

Quantification of reassociation/annealing of various part of DNA is called 
TLS Online TPP Program

#Question id: 30065

#Unit 7. System Physiology – Animal

Acetylcholine binds to M2 muscarinic receptors decreases cAMP in the SA nodal cells, The result is: