Paheli 62 - Which police is fake ? Riddles and Puzzles for IQ Test | Hindi Paheli #Shorts

Which one of the following is not an objective of including riddles and puzzles in the EVS textbook?

Paheliyan and Detective Riddles To Test Your Brain| Hindi Paheliyan | Mind Your Logic

IN PCR, short primers are added to single stranded DNA molecules in a test tube and the appropriate enzymes are included to make a copy of the DNA which of the following primers is needed for copying the single-stranded DNA sequence 5' TACGGTAGGTC ?

Paheli had heard that rain water is as good as distilled water. So, she collected some rain water in a clean glass tumbler and tested it using a tester. To her surprise, she found that the compass needle showed deflection. What could be the reasons?