It is not clear what is meant by reservation. You may make reservation for traveling or hotel room reservation for accommodation. This is not haram at all and is allowed per Islam rules and teachings. However, it is not allowed to reserve goods and food to create black market or to cause price raise up or to create crisis.
No, semen is not haram in Islam
according to Islam, No, it is not haram and is allowed.
cats are not haram in islam
Yes, forex is a haram according to the teachings of Islam.
dr zakirnaik is shares are halal or haram in Islam
No ..only pork is haram
No.
No.
It is haram to gamble in Islam
Yes offcourse it is haram.
basically No. but if it contains some Banned deeds in Islam (for example sexual scenes) then it becomes Haram.
No.