WBCS (Executive) 2016 Prelims Previous Year Paper

For his classic model of industrial location, German economist Alfred Weber makes use of which of the following terms to denote lines of equal total transport cost?

A pure red flower-bearing plant is crossed with a pure white flower-bearing plant, and the resulting $F_1$ generation plant bears pink flowers. In traditional competitive examinations following standard keys, this phenomenon is categorized under:

In which of its historic sessions did the Indian National Congress pass the Social Democratic Resolution?

Which one of the following states in India has a significantly higher percentage of area irrigated by tanks?

A short-day plant ($\text{SDP}$) has a critical day length of $14$ hours. It will successfully initiate flowering when the ambient day length is: