The spores of ferns are dispersed by
The spores of ferns are dispersed by A. wind B. water C. insects D. explosive mechanism E. sporophyte…
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The part labelled 3 is the
The part labelled 3 is the A. leaf scar B. lenticle C. auxillary bud D. girdle scar Correct…
Which of the following groups of invertebrates reproduces by budding?
Which of the following groups of invertebrates reproduces by budding? A. Arthropoda B. Annelides C. Mollusces D. Coelenterata…
The algae, bryophytes and pteridophytes are similar in that they
The algae, bryophytes and pteridophytes are similar in that they A. are sea weeds B. have no vascular…
Hydra removes undigested food by
Hydra removes undigested food by A. passing it through the anus B. passing it through the mouth C.…
Which of the following characteristics is common to Amoeba and Paramecium?
Which of the following characteristics is common to Amoeba and Paramecium? A. Oral groove B. Trichocyst C. Contractile…
Viruses are considered to be living organisms because they
Viruses are considered to be living organisms because they A. possess transmittable characters B. move from one place…
Farmers practise crop rotation because it
Farmers practise crop rotation because it A. helps to prevent soil erosion B. allows two crops to be…
Most irrigated lands often become unproductive in later years because of
Most irrigated lands often become unproductive in later years because of A. loss of fertility B. increase in…
5 g of oven dried soil was heated in a furnace for 24 hours. After…
5 g of oven dried soil was heated in a furnace for 24 hours. After cooling, it weighed…