MCQ
Amniocentesis is a technique to:
- AEstimate easential amino acids in the body
- ✓Detect chromosomal anomalies in the foetus
- CReverse sex of the foetus
- DCorrect genetic disorders of the foetus

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The trait traced in the above pedigree chart is
Reason : Leguminous plants have Rhizobium in their root nodules.
|
Column $I$ (Description) |
Column $II$ (Example) |
| $A$. Aquatic respiratory organ | $I$. Skin |
| $B$. Organ which acts urogenital duct | $II$. Ureterand opens into the cloaca |
| $C$. A small median chamber | $III$. Cloacathat is used to pass faecal matter,urine and sperms to the exterior |
| $D$. A triangular structure | $IV.$ Sinus venosuswhich joins the rightatrium and receives bloodthrough vena cava |