Question
Sketch and label, Meselson and Stahls experiment.
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| Hypohydrophily | Epihydrophily |
| 1. Porogamy | ————– |
| 2. ————– | Entry of pollen tube in Ovule piercing integuments |
| 3. ————— | Entry of pollen tube in Ovule through Chalaza |
| Region | Sacred groves seen at |
| (1) Meghalaya | ____________________ |
| (2) Western ghat regions | ____________________ |
| (3) Aravali hills | ___________________ |
| (4) Madhya Pradesh | ___________________ |
| Column A | Column B |
| (1) Mutualism | ————– |
| (2) Commensalism | ————— |
| (3) Parasitism | ————– |
| Type of Pollination | Agent | Kind of flowers | Example |
| 1. Anemophily | ------------ | Small, colourless, without nectar | Maize |
| 2.---------------------- | Bats | -------------------------------------------- | Adansonta |
| 3. Entomophily | ------------ | Large, showy, sweet smell with nectar | -------------- |
| 4--------------------- | Birds | Brightly coloured, large, showy, with dilute nectar | --------------- |


| RE | Source | End products |
| Alu I | ————- | Blunt ends |
| ———— | Bacillus amyloliquefaciens H | Sticky ends |
| Eco R I | ————– | Sticky ends |
| Hind II | H. influenza Rd | ————– |
