Which growth regulators are used for increasing curcumin

Find the odd one out :

Axe, Dagger, Arrow, Knife

When the mirror is placed on 'PQ' as shown, select the correct mirror image of the given combination. 

Select the correct mirror image of the given figure when the mirror is placed at MN as shown below.

Which of the following letter-clusters will replace the question mark (?) in the given series?

LOK, JMI, HKG, FIE, ?

Select the option that represents the letters that when placed from left to right in the blanks below will complete the given letter series.

Select the option that is related to the third figure in the same way as the second figure is related to the first figure.

Amit's birthday on 16th April 2021 was on a Saturday. On which day was his wife's birthday on 3rd June 2021?

Find the missing code letter from the following response:

PGO, QHP, RIQ, _________

Three of the following four are alike in a certain way and thus form a group. Which is the one that does NOT belong to that group?