MCQ
Which one is a nonsymbiotic nitrogen fixer
- ARhizobium
- BOscillatoria
- ✓Nostoc
- DLactobacillus
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

$A.$ Pelvic inflammatory disease $(PID)$
$B.$ Still births
$C.$ Infertility or even cancer of reproductive tract
$D.$ Ectopic pregnancies

| List $I$ | List $II$ |
| $A.$ Common cold | $I.$ Plasmodium |
| $B.$ Haemozoin | $II.$ Typhoid |
| $C.$ Widal test | $III.$ Rhinoviruses |
| $D.$ Allergy | $IV.$ Dust mites |
:Choose the correct answer from the options given below :