MCQ
Which one of the following is the largest root parasite?
- ARafflesia
- BMonotropa
- CArceuthobium
- DAll of the above
Explanation:
Rafflesia is a total root parasite. The plant body consists of fine threads resembling hyphae of fungal mycelia. It lies completely inside the root of the host. It grows directly on the root of Cissus and figs.
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Choose the correct choice for $A$ and $B$
$I.$ Enzymes
$II$. RNA primer
$III.$ DNA probe
$IV.$ Vectors
$V.$ host organisms
Select the correct option
| Column – I | Column $- II$ |
| $(1)$ Failure of cytokinesis | $(p)$ To study in beritance of particular traits |
| $(2)$ Trisomy of 21 | $(q)$ Polyploidy |
| $(3)$ Error of metabolism | $(r)$ Down's syndrome |
| $(4)$ Pedigree analysis | $(s)$ Phenylketonuria |
Lower in presence of another superior species