Luminous means bright or giving out a lot of light.
4. Homogenised
(a) set type (b) multi-coloured (c) different ✅? (d) rejected
Hint
Homogenised means when every part of the group, mixture or collection has been made similar or same, variety means the opposite, i.e difference.
5. Prove
(a) vapid (b) assume✅? (c) disincline (d) atone
Hint
Prove means to state that a statement or theory is correct after giving valid and logical reasons while assumption is something which is believed without any proofs or evidence.
Instantly means something that happens in an instant or very quickly, gradually means to happen step by step. slowly has not been considered as the apt choice because instantly suggests in one step and gradually means in several steps so it is a more appropriate antonym.