MCQ
In which condition of the uterus, fertilisation is impossible?


- A$A$ and $B$
- B$B$ and $C$
- ✓$C$ and $D$
- D$A$ and $D$

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| List - l | List - ll |
| (a) Cellular barrier | (i) Interferons |
| (b) Cytokine barrier | (ii) Mucus |
| (c) Physical barrier | (iii) Neutrophils |
| (d) Physiological barrier | (iv) HCI in gastric juice |
