Answer is B is correct. Incumbit probation qui dicit, non qui negat means the burden of proving a fact rests on the party who substantially asserts the affirmative of the issue and not upon the party who denies it. It is related to Section 101 which talks about burden of proof. Therefore option (b) is the correct answer.

Answer is B is correct. principle laid down under Section 105 of the act applies only to criminal trials. There is presumption of innocence in favour of accused as a general rule and the onus of proving the guilt lies on the prosecution is not followed under this provision.

Answer is A is correct. As per Section 106 when any fact is especially within the knowledge of any person, the burden of proving that fact is upon him. It is based on the principle res ipsa loquitor which means things speak for itself. Therefore option (a) is the correct answer.

Answer is C is correct. Section 111 of Indian Evidence Act states where there is a question as to the good faith of a transaction between parties, one of whom stands to the other in a position of active confidence, the burden of proving the good faith of the transaction is on the party who is in a position of active confidence. This provision is read with Section 16 of Indian Contract Act which talks about undue influence. Therefore option (c) is the correct answer.