1. Passage Reading
2. Verbal Logic
3. Non Verbal Logic
4. Numerical Logic
5. Data Interpretation
6. Reasoning
7. Analytical Ability
8. Quantitative Aptitude
337. Answer B: to show our incorrect ideas of bird life Because the author shows our misconception about bird life.
338. Answer B: our ideas about birds are derived from the most common types Because our wrong ideas have come up with the common type of birds which we see and know most.
339. Answer D: quacks like the mallard Because the same has been mentioned in the second last line.