Question : Which of the following hypotheses was propounded by Harry Hammond Hess in 1962?

Option 1: Continental Drift hypothesis

Option 2: Seafloor spreading hypothesis

Option 3: Gaia hypothesis

Option 4: Geographical cycle hypothesis

Question : Select the most appropriate synonym of the word 'Pervasive' from the given sentence.

The scientist's hypothesis was substantiated by extensive research and experimentation.

Option 1: Extensive

Option 2: Substantiated

Option 3: Experimentation

Option 4: Hypothesis

Question : Natural system of classification was proposed by ____________ botanists.

Option 1: Indian

Option 2: German

Option 3: Swedish

Option 4: British

Question : The term Ecosystem was proposed by:

Option 1: Vladimir Vernadsky

Option 2: S.A. Forbes

Option 3: Arthur George Tansley

Option 4: August Thienemann

Question : Algae belong to which of the following levels of ecosystems?

Option 1: Decomposers

Option 2: Destructors

Option 3: Producers

Option 4: Consumers