How do I know If a verse has wajib sajdah?

Sūrat al-Sajdah (Chapter 32), verse number 15;
Sūrah Fuṣṣilat (Chapter 41), verse 37;
Sūrat al-Najm (Chapter 53), verse 62;
Sūrat al-ʿAlaq (Chapter 96), it is verse 19.

These verses have wajib sajda which if recited or heard, Sajda becomes wajib and they should not be recited during periods