A man with blood group AB marries a woman with blood group O. What are the possible blood groups of their children? MCQ with Answer and Explanation

Explanation:
Viruses do not reproduce by binary fission; they replicate by hijacking host cell machinery. Binary fission is a method of asexual reproduction in bacteria. All other statements are correct.

Explanation:
Cholera, caused by Vibrio cholerae, is transmitted through contaminated water and food. Malaria is vector-borne, TB airborne, rabies through animal bite.

Explanation:
The plant cell wall is primarily made up of cellulose, hemicellulose, pectins, and proteins. Cellulose provides the main structural framework, while hemicellulose and pectins help in cross-linking and providing flexibility. Chitin is found in fungal cell walls, and peptidoglycan is found in bacterial cell walls.