Biology · BIOLOGICAL CLASSIFICATION
हिन्दीMatch List-I with List-II regarding biological groups and key diagnostic features: List-I List-II A Methanogens I Protein-rich pellicle layer making body flexible B Cyanobacteria II Overlapping silica shells fitting like a soap box C Diatoms III Specialized heterocysts for fixing atmospheric nitrogen D Euglenoids IV Present in gut of ruminants for biogas production Choose the correct answer from the options given below:
Match List-I with List-II regarding biological groups and key diagnostic features:
| List-I | List-II | ||
|---|---|---|---|
| A | Methanogens | I | Protein-rich pellicle layer making body flexible |
| B | Cyanobacteria | II | Overlapping silica shells fitting like a soap box |
| C | Diatoms | III | Specialized heterocysts for fixing atmospheric nitrogen |
| D | Euglenoids | IV | Present in gut of ruminants for biogas production |
Choose the correct answer from the options given below:
Correct answer · Option 4
A-(IV), B-(III), C-(II), D-(I)
Explanation
Methanogens produce methane in ruminant guts (IV); Cyanobacteria fix nitrogen via heterocysts (III); Diatoms have silica shells like a soap box (II); Euglenoids possess a protein-rich pellicle layer (I).