Plant Reproductive strategies

I. Fill in the blanks

1. ___ shall be the percentage of autogamy species which are adopted for xenogamous pollination system while ___ contrivance ensures 100 self-pollination?

2. ___ is an example for fixed type of gender expression in cucurbit while pollination is mostly prevails in cucurbits like ___ sp. Through bee movement.

3. ___ is an example for a flower which is regular & incomplete while the population consists of ___ which is an andromonoecious.

4. Anemophily is pollination through ___ agent while psychophily is pollination through ___.

5. Phenology is useful in ___ and ___ activities.

6. An example for XX-XY (heterogametic male system) is ___ while ___ exhibits XX-XO.

7. If calyx is attached to fruit; the condition is referred to as ___ while ___ is the female reproductive whorl in a flower.

8. Sex allocation theory has been proposed by ___ while ___ is responsible for floral colour change.

9. Tamarindus indica exhibits ___ type of herkogamy while ___ is the best option for a bisexual to reject the pollen of its own.

10. Croton bonplandianum is an example for ___ while a bisexual where male and female components mature simultaneously are referred to as ___.

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II. Answer the following questions: (all questions carry equal marks)

1. List factors which affect allocation of resource to male sex. Expand LMC.

2. Classify pollination through agents which one example each.

3. Draw a neat diagram of a flower and explain the parts with their functions.

4. What are sex reversals? How they arise in nature. What is the main difference between pistillate lines of castor with tassel of maize?

5. Classify cucurbits based on sex expression patterns.

6. Allocation to male and female are fixed and variable costs respectively. How.

7. What is phenology? What are its applications?

8. What is sibling rivalry? Why it arise. Give two examples to show the level of rivalry.

9. What is the role of bees in pollination systems? Is bee keeping is a business; justify.

10. List all the sexual selection models which are prevailing in nature with suitable examples. Classify the following examples to different models: Seetha swayamvara, Two male elephants fighting to occupy highest position, two or three heroines racing to marry Salman Khan, a female blister beetle produce pheromone to attract males.