MCQ
Toxic agents present in food which interfere with thyroxine synthesis lead to the development of:
- AToxic goitre.
- BCretinism.
- ✓Simple goitre.
- DThyrotoxicosis.
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$(1)$ pucinia, $(2)$ choletotrichum, $(3)$ albugo, $(4)$ claviceps, $(5)$ agaricus
Statement $I$: In $\mathrm{C}_3$ plants, some $\mathrm{O}_2$ binds to $\mathrm{RuBisCO}$, hence $\mathrm{CO}_2$ fixation is decreased.
Statement $II$: In $\mathrm{C}_4$ plants, mesophyll cells show very little photorespiration while bundle sheath cells do not show photorespiration.
In the light of the above statements, choose the correct answer from the options given below: