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TLS Online TPP Program

#Question id: 8845

The experimental approach taken in current biological investigations presumes that

#Section 2: Evolution
  1. simple organic compounds can be synthesized in the laboratory from inorganic precursors, but complex organic compounds like carbohydrates and proteins can only be synthesized by living organisms.
  2. living organisms can be understood in terms of the same physical and chemical laws that can be used to explain all natural phenomena.
  3. although a life force, or vitalism, exists in living organisms, this life force cannot be studied by physical or chemical methods.
  4. living organisms are composed of the same elements present in nonliving things, plus a few special trace elements found only in living organisms or their products. 
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TLS Online TPP Program

#Question id: 10594

#Section 1: Ecology

Which of the following is not characteristic of ruderal species?
TLS Online TPP Program

#Question id: 4930

#Section 2: Evolution

Which of the following is the correct sequence of events in the origin of life?

I. Formation of protocells

II. Synthesis of organic monomers

III. Synthesis of organic polymers

IV. Formation of DNA-based genetic systems
TLS Online TPP Program

#Question id: 10704

#Section 1: Ecology

Imagine five forest communities, each with one hundred individuals distributed among four different tree species (W, X, Y, and Z). Which forest community would be most diverse?
TLS Online TPP Program

#Question id: 3489

#Section 4: Behavioural Ecology

 In a bird species A, the male alone builds the nest, incubates the eggs and feeds the nestling. In bird species B, it is the female that does all that. In bird species C, both sexes contribute equally to the above activities. In species A and B, the uninvolved partner may fly away and mate again. Which sex among A, B and C is most likely to develop colorful plumage during breeding season?
TLS Online TPP Program

#Question id: 10673

#Section 1: Ecology

Which of following attributes of parasite agent acts as a biological control is not necessary?