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TLS Online TPP Program

#Question id: 13191

Which of the following statements about circadian rhythms is correct?

#Unit 10. Ecological Principles
  1. They are expressed during cell division only. 
  2. They occur only in mammals.
  3. They are not found in humans. 
  4. They have a periodicity of about 24 hours.
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TLS Online TPP Program

#Question id: 10367

#Unit 6. System Physiology – Plant

Cyanobcteria also fixes nitrogen under anaerobic conditions without  heterocyst where?
TLS Online TPP Program

#Question id: 11315

#Unit 10. Ecological Principles

Carnivores that eat herbivores in a food chain are the _________________.
TLS Online TPP Program

#Question id: 10450

#Unit 6. System Physiology – Plant

phototropins is primarily responsible by
TLS Online TPP Program

#Question id: 12584

#Unit 10. Ecological Principles

Which of the following causes excessively high levels of toxic chemicals in fish-eating birds? 
TLS Online TPP Program

#Question id: 15812

#Unit 5. Developmental Biology

In which type of cells, Sxl remains inactive during the early stages of development in drosophila?