Question
State four differences between insect and wind pollinated flowers.
| Wind pollinated flowers | Insect pollinated flowers |
| The pollinating agent is wind. | The pollinating agents are insect. |
| These flowers are unisexual, dull coloured, and without scent and nectar. | These flowers are brightly coloured, scented and produce a lot of nectar. |
| Pollen grains are small, light, and produced in large number so a lot of wastage occur. | Pollen grains are large, sticky, spiny and are produced in small numbers so no wastage occur. |
| Stigma is feathery or sticky and hangs out of petals. Stamens are long and visible out of petals. | Stigma is small and is situated deep inside the petals.Stamens may be small and hidden inside petals. |
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| Column A | Column B | ||
| 1 | HCl | a | Lactose |
| 2 | Rennin | b | Pellagra |
| 3 | Enteropeptidase | c | Rumen |
| 4 | Cellulose | d | Pepsin |
| 5 | Ptyalin | e | Starch |
| 6 | Vitamin | f | Pernicious anaemia |
| 7 | Intestinal juice | g | Trypsin |
| 8 | Bile salt | h | Casein |
| 9 | Vitamin A | i | Micelle |
| 10 | Goitre | j | Night-blindness |
| k | Iodine | ||