TLS Online TPP Program

#Question id: 410


For the reaction A -> B, the Keq' is 10^4.  If a reaction mixture originally contains 1 mmol of A and no B, which one of the following must be true?

#Unit 1. Molecules and their Interaction Relevant to Biology
  1. At equilibrium, there will be far more B than A.

  2. The rate of the reaction is very slow.

  3. The reaction requires coupling to an exergonic reaction in order to proceed.

  4. The reaction will proceed toward B at a very high rate.

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TLS Online TPP Program

#Question id: 11378

#Unit 10. Ecological Principles

Which of the following set of conditions will qualify a species to be considered as critical endangered (EN) as per IUCN criteria?

TLS Online TPP Program

#Question id: 11379

#Unit 10. Ecological Principles

Which of the following is NOT a prediction arising out of Wilson-MacArthur's -Theory of Island Biogeography?

TLS Online TPP Program

#Question id: 11380

#Unit 10. Ecological Principles

Which of the following is/are NOT valid explanation(s) for the observed pattern of species richness?

TLS Online TPP Program

#Question id: 11381

#Unit 10. Ecological Principles

Which of the following is decreasing order of NPP per unit area of different ecosystem?

TLS Online TPP Program

#Question id: 11384

#Unit 10. Ecological Principles

Two islands, P and Q, are similar in habitat and other features. They are 100 and 200 km2 in size respectively, but have the same number of species. Which of the following statements can independently explain this observation?

(i) P is closer to the mainland than Q

(ii) P is further away from the mainland than Q

(iii) P has higher speciation rates than Q

(iv) P has lower speciation rates than Q

TLS Online TPP Program

#Question id: 11385

#Unit 10. Ecological Principles

Which of the following biomes is correctly paired with the description of its climate?

A) savanna-low temperature, precipitation uniform during the year

B) tundra-long summers, mild winters

C) Taiga-relatively short growing season, Low precipitation

D) temperate grasslands-relatively warm winters, most rainfall in summer

E) tropical forests-nearly constant day length and temperature