A bag has 13 red, 14 green and 15 black balls. The probability of getting exactly 2 blacks on pulling out 4 balls is P1. Now the number of each colour ball is doubled and 8 balls are pulled out.The probability of getting exactly 4 blacks is P2. Then

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#Question id: 2539

#Section 3: Genetics, Cellular and Molecular Biology

Which structure is common to plant and animal cells?

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#Question id: 14777

#Section 1: Engineering Mathematics

A and B throw a coin alternately till one of them gets a ‘head’ and wins the game. Their respective probabilities of winning are

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#Question id: 14583

#Section 2: General Biology

Products that limit pH changes are often incorporated into media and are referred to as

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#Question id: 13034

#Section 7: Recombinant DNA technology and Other Tools in Biotechnology

Which the following statements is/are true about the stacking gel?

i. The stacking gel solution contains acrylamide.

ii. It is on the top of the separating gel.

iii. It is used to dilute the protein sample before it enters the main separating gel.

iv. It is into this gel that the wells are formed and the proteins loaded.

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#Question id: 345

#Section 2: General Biology

As the [H₃O⁺] of the solution decreases, the [OH-] ________.