Explanation:

- Option 1: Prevention of cognizable offences (ss. 149-151)

- The police are empowered to take action to prevent offenses that they believe are likely to occur.

- Option 2: Prevention of injury to public property (s. 152)

- The police can take preventive actions to protect public property from damage.

- Option 3: Inspection of weights and measures (s. 153)

- The police have the authority to inspect weights and measures to ensure compliance with regulations.

- Option 4: All of them

- All the mentioned sections (149-153) of the Code fall under preventive jurisdiction, allowing the police to act preemptively in different scenarios.

Correct Answer: Option 4 - All of them