| Column I | Column II | ||
| A. | Smallest flowering plant | 1. | Macrocystis |
| B. | Largest perennial alga | 2. | Slaginella |
| C. | Rhizophore | 3. | Ginkgo |
| D. | Living fossil | 4. | Wolffia |
A) A-4, B-3, C-2, D-1
B) A-2, B-3, C-4, D-1
C) A-4, B-1, C-2, D-3
D) A-1, B-2, C-3, D-4
Correct Answer: C
Solution :
Wolffia is the smallest flowering plant. Macrocystis belongs to class - Phaeophyceae. It is the largest perennial alga, about 40-60 m in size. Rhizophore is a leafless, colourless, positively geotrophic, elongated structure that grows down from the point of bifuraction of stem. It occurs in Selaginella. Ginkgo belongs to order-Genkgoales of gymnospemns. It is called living fossil because it is the single living genus in a big fossilised order.
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