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3.Plant Kingdom
medium
Give differences : Gymnosperms and Angiosperms.
Option A
Option B
Option C
Option D
Solution
| Gymnosperms | Angiosperms |
| $(1)$Their seeds are open and not covered by any ovary wall. | $(1)$Their seeds are enclosed by ovary wall. |
| $(2)$It shows single fertilization. | $(2)$It shows double fertilization. |
| $(3)$Flowers are of primary type and do not possess colourful petals. | $(3)$Flowers are well developed and possess |
| $(4)$Endosperm develops before fertilization and it is haploid. | $(4)$Endosperm is formed after fertilization and it is haploid. |
| $(5)$Male flowers are as microspore. | $(5)$Stamen is as male reproductive organ |
| $(6)$Male and female flowers develop on different plants. |
$(6)$Male and female reproductive organs are produced in either one flower or in different flowers on one plant or in different plants. |
| $(7)$Pollination occurs through wind e.g. Cycas, Pinus. |
$(7)$Pollination occurs through wind, water, insects or by other factors. e.g. Sunflower, Maize. |
Standard 11
Biology
