II. Answer the following questions: (All questions carry equal marks)
- List factors which affect allocation of resources to male sex. Expand LMC.
- Classify pollination through agents with one example each.
- Draw a neat diagram of a flower and explain the parts with their functions.
- What are sex reversals? How do they arise in nature? What is the main difference between pistillate lines of castor and tassel of maize?
- Classify cucurbits based on sex expression patterns.
- Allocation to male and female are fixed and variable costs respectively. Explain.
- What is phenology? What are its applications?
- What is sibling rivalry? Why does it arise? Give two examples to show the level of rivalry.
- What is the role of bees in pollination systems? Is beekeeping a business? Justify.
- List all the sexual selection models prevailing in nature with suitable examples. Classify the following examples into different models:
- Seetha swayamvara
- Two male elephants fighting to occupy the highest position
- Two or three heroines racing to marry Salman Khan
- A female blister beetle produces pheromones to attract males.
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