TLS Online TPP Program

#Question id: 11581


DES is called an "endocrine disrupting chemical" because it interferes with the endocrine secretions of the ________.

#Unit 7. System Physiology – Animal
  1. thyroid gland
  2. adrenal medulla
  3. ovaries
  4. hypothalamus
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TLS Online TPP Program

#Question id: 20713

#Unit 12. Applied Biology

Under anaerobic conditions and in the presence of what microbial electron transfer and respiration can proceed if suitable exogenous electron acceptors are available

TLS Online TPP Program

#Question id: 9275

#Unit 6. System Physiology – Plant

The colour of carrots, is due to;

TLS Online TPP Program

#Question id: 11275

#Unit 10. Ecological Principles

Consumption efficiency is the proportion of production at one trophic level that is eaten by, or ingested, by the next trophic level which of the following are correct statement ?

A.Consumption efficiencies higher in  forests than grassland

B-In aquatic ecosystems consuption efficiencies of hervivore are greater than terrestrial hervivore

C- Consumption efficiencies for carnivores are typically higher than those of herbivores

D-Primary production consumption is increased where it is high in nutrients such as nitrogen and phosphorus

TLS Online TPP Program

#Question id: 17995

#Unit 8. Inheritance Biology

Consider a heritable autosomal disease with an incidence in the population of 1 per thousand. On average, individuals with the disease have 80% as many children as the population average. In answering the various parts of this question, assume that mating is random. What mutation rate would be required to maintain the observed incidence of the disease in the population if the disease is recessive?

TLS Online TPP Program

#Question id: 18710

#Unit 13. Methods in Biology

qPCR  graph is drawn between ∆Rn and PCR cycle In this graph CT represents