MCQ
Which of the following is incorrect for windpollinated plants?
- APollen grains are light and non-sticky
- BWell exposed stamens and stigma
- ✓Many ovules in each ovary
- DFlowers are small and not brightly coloured
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$I.$ The liverworts grow usually in moist, shady habitats such as banks of streams, marshy ground, damp soil, bark of trees and deep in the woods
$II.$ The leafy members of liverwort have tiny leaf-like appendages in two rows on the stem-like structures
Choose the correct option
$I.$ Fresh weight. $II.$ Dry weight
$III.$ Length, area and volume $IV.$ Cell number
Choose the correct option.
$(1)$ Decomposition is largely an oxygen -requiring process.
$(2)$ Warm and moist environment slow down decomposition process.
$(3)$ Decomposition rate is slower if detritus is rich in lignin and chitin
$(4)$ Humus is colloidal in nature it serves as are servoir of nutrients.