2026 · Q66
Which of the following pairs of theories about origin of the Earth and their propounders is/are correctly matched ?
Gaseous HypothesisKant
Binary Star HypothesisRussell
Planetesimal HypothesisChamberlin Select the answer using the codes given below :
General KnowledgeGeography
- A1 only
- B2 and 3 only
- C1 and 3 only
- D1, 2 and 3
Explanation
Kant's gaseous (nebular) hypothesis proposed the Earth condensed from a rotating gaseous mass (pair 1 correct). The binary star hypothesis is associated with Russell (pair 2 correct). Chamberlin (with Moulton) propounded the planetesimal hypothesis (pair 3 correct). All three pairs are correctly matched.