Practice Questions

TLS Online TPP Program

#Question id: 11291

A small lake has three trophic levels- phytoplankton (autotrophs), Zooplankton (herbivore) and planktivorous fish (primary carnivore). In this lake, addition of nutrients is allowed to study the 'bottom up' effects". What is the expected biomass of phytoplankton and zooplankton tropic levels?

#Unit 10. Ecological Principles

Zooplankton biomass will increase and phytoplankton biomass will decrease.
Zooplankton biomass will decrease and phytoplankton biomass will increase.
The biomasses of zooplankton and phytoplankton will increase while planktivorous remain unchange
The biomasses of all tropic level increases

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TLS Online TPP Program

#Question id: 10945

#Unit 7. System Physiology – Animal

A 65-year-old alcoholic developed chest pain and cough with an expectoration of sputum. A blood sample revealed that his white blood cell count was 42,000/μl. What is the origin of these WBCs?

TLS Online TPP Program

#Question id: 19110

#Unit 8. Inheritance Biology

If the frequency of PKU among newborns is approximately 1/10,000 (when the parents are unrelated). What is the risk of a child with PKU if the parents are siblings?

TLS Online TPP Program

#Question id: 11319

#Unit 10. Ecological Principles

Which of the following plant defensive compounds is found at high levels in oak leaves?

TLS Online TPP Program

#Question id: 27925

#Unit 11. Evolution and Behavior

Birth of new gene arises in eukaryotes by following phenomenon, except?