MCQ
$SAN$ can generate impulses
- ✓$70-75 \,min^{-1}$
- B$50-55 \,min^{-1}$
- C$100-150 \,min^{-1}$
- D$35-40 \,min^{-1}$
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Match List-l with List-ll.
| List-l | List-II |
| (A) Mast cells | (I) Ciliated epithelium |
| (B) Inner surface of bronchiole | (II) Supportive framework for epithelium |
| (C) Lymph | (III) Cuboidal epithelium |
| (D) Tubular parts of nephron | (IV) Specialised connective tissue |
Choose the correct answer from the options given below:
Reason : Zona pellucida remains undivided till cleavage is complete.
Reason: A bone marrow transplant given to a patient with genetic immunodeficiency is an example of artificially acquired passive immunity.