MCQ
Rhizosphere is the region where
- ARhizobium forms root nodules
- BAlgae and root make contact
- ✓Soil and root make contact
- DBacterial and root nearly make contact
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$I.$ Increase in the volume of the thoracic chamber in dorsoventral axis
$II.$ Upward and outward movement of the ribs
$III.$ Contraction of intercostal muscles
$IV.$ Entry of air inside the lungs
$V.$ Contraction of the diaphragm
$VI.$ Increase in the volume of the thoracic chamber in antero-posterior axis
Choose the correct option
$I.$ Secretion of $FSH$
$II.$ Growth of corpus luteum
$III.$ Growth of follicle and oogenesis
$IV.$Ovulation
$V.$ Sudden increase in level of $LH$
| Column $I$ | Column $II$ |
| ($a$) Pneumotaxic Centre | ($i$) Alveoli |
| ($b$) $O _{2}$ Dissociation curve | ($ii$) Pons region of brain |
| ($c$) Carbonic Anhydrase | ($iii$ Haemoglobin |
| ($d$) Primary site of exchange of gases | ($iv$) $R.B.C.$ |