MCQ
If wheat field is inoculated with Rhizobium
- ASoil will become nitrogen rich
- ✓No effect on soil nitrogen
- CSoil will be depleted of nitrogen
- DSoil will become rich in calcium
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Column $I$ $(Excretory\, organs)$ |
Column $II$ $(Animals)$ |
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$A.$ Nephridia |
$p$ Hydra |
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$B.$ Malpighian tubules |
$q$ Leech |
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$C.$ Protonephridia |
$r$ Shark |
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$D.$ Kidneys |
$s$ Round worms $t$ Cockroach |

Section $I$ |
Section $II$ |
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$(i)$ Ultrafiltration |
$(a)$ Henle’s loop |
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$(ii)$Concentration of urine |
$(b)$ Ureter |
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$(iii)$ Transport of urine |
$(c)$ Urinary bladder |
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$(iv)$ Storage of urine |
$(d)$ Malpighian corpuscles |
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$(e)$ Proximal convoluted tubules |