Aptitude:
(i) Aptitude refers to combination of characteristics indicative of an individual’* potential to acquire some specific skills with training.
(ii) It is specific mental ability or teach ability of an individual to learn a particular skill.
(iii) It is the potentiality to perform a particular activity.
(iv) Aptitude is a determiner to learn a particular skill.
Interest:
(i) Interest refers to preference for a particular activity or what one enjoys doing.
(ii) Interest are acquired/learnt.
(iii) Interest is a facilitator.
An individual with high scientific aptitude having strong interest in mechanical activities is more likely to be successful mechanical engineer.
(i) Intelligence is a global and aggregate capacity of an individual to think rationally, act purposefully and to deal effectively with her/his environment.
(ii) Intelligence is a general mental ability.
(iii) It is product of heredity and environment.
(iv) It does not require training for the growth.
