MCQ
Select the correct statement
- ✓Sequoia is one of the tallest trees
- BThe leaves of gymnosperms are not well adapted to extremes of climate
- CGymnosperms are both homosporous and heterosporous
- DSalvinia, Ginko and Pinus all aregymnosperms
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$(i)$ This group includes diatoms and golden algae.
$(ii)$ They are microscopic and float passively in water currents (plankton).
$(iii)$ Most of them are photosynthetic.
$(iv)$ They have deposits in their habitat; this accumulation over billion of years is referred to as 'diatomaceous earth'.
$(i)$ Reproduction is synonymous with growth
$(ii)$ Grow by cell division.
$(iii)$ Growth and reproduction are mutually exclusive events With respect to growth and reproduction, which all statements are true