MCQ
In his classic experiments on pea plants, Mendel did not use
- Aseed shape
- Bflower position
- Cseed colour
- ✓pod length.
| Character | Dominant | Recessive | |
| $1$ | Seed shape | Round $(R)$ | Wrinkled $(r)$ |
| $2$ | Seed cotyledon colour | Yellow $(Y)$ | Green $(y)$ |
| $3$ | Flower colour | Violet $(V)$ | White $(v)$ |
| $4$ | Pod shape | Inflated $(I)$ | Constricted $(i)$ |
| $5$ | Pod colour | Green $(G)$ | Yellow $(g)$ |
| $6$ | Flower position | Axial $(A)$ | Terminal $(a)$ |
| $7$ | Stem height | Tall $(T)$ | Dwarf $(t)$ |
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$I$. Removal of $80\; \%$ tigers from an area resulted in greatly increased growth of vegetation.
$II.$ Removal of most of the carnivores resulted in an increased population of deers.
$III.$ The length of food chains is generally limited to $3$ to $4$ trophic levels due to energy loss.
$IV.$ The length of food chains may vary from $2$ to $8$ trophic levels.
Which two of the above statements are correct?
| Column $- I$ | Column $- II$ |
| $(a)$ Vertebrates | $(p)\; 359$ |
| $(b)$ Plants | $(q)\; 784$ |
| $(c)$ Indian invertebrate | $(r)\; 87$ |
| $(s)\; 338$ |