MCQ
Trygon has
- Atwo chambered heart
- Bthe males have claspers
- Cpresence of placoid scales
- ✓All of the above
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| Column - $I$ | Column - $II$ |
| $(i)$ Typhoid |
$(a)$ Haemophilus influenzae |
| $(ii)$ Malaria | $(b)$ Wuchereria bancrofti |
| $(iii)$ Pneumonia | $(c)$ Plasmodium vivax |
| $(iv)$ Filariasis | $(d)$ Salmonella typhi |
$I.$ Kidneys are reddish brown and bean-shaped structure
$II.$ Kidneys are situated between the last thoracic and third lumber vertebra
$III.$ Each kidney of an adult human measures $10-12\, cm$ in length, $5-7\, cm$ in width, $2-3 \,cm$ thickness, and average weight $120-170$ $gram$