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TLS Online TPP Program

#Question id: 346

The partial negative charge in a molecule of water occurs because ________.

#SCPH01 Biochemistry

  1. the oxygen atom donates an electron to each of the hydrogen atoms

  2. the electrons shared between the oxygen and hydrogen atoms spend more time around the oxygen atom nucleus than around the hydrogen atom nucleus

  3. the oxygen atom has two pairs of electrons in its valence shell that are not neutralized by hydrogen atoms

  4. one of the hydrogen atoms donates an electron to the oxygen atom

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TLS Online TPP Program

#Question id: 14500

#SCPH28 | Zoology

A fair die is tossed 180 times. The expected number of sixes is
TLS Online TPP Program

#Question id: 14501

#SCPH01 Biochemistry

In a population having 50% rice consumers, what is the probability that three or less out of 10 are rice consumers?
TLS Online TPP Program

#Question id: 14501

#SCPH28 | Zoology

In a population having 50% rice consumers, what is the probability that three or less out of 10 are rice consumers?
TLS Online TPP Program

#Question id: 14502

#SCPH01 Biochemistry

The chances of a person being alive who is now 35 years old, till he is 75 are 8 : 6 and of another person being alive now 40 years old till he is 80 are 4 : 5. The probability that at least one of these persons would die before completing 40 years hence is
TLS Online TPP Program

#Question id: 14502

#SCPH28 | Zoology

The chances of a person being alive who is now 35 years old, till he is 75 are 8 : 6 and of another person being alive now 40 years old till he is 80 are 4 : 5. The probability that at least one of these persons would die before completing 40 years hence is
TLS Online TPP Program

#Question id: 14503

#SCPH01 Biochemistry

If 10 coins are tossed 100 times, how many times would you expect 7 coins to fall head upward ?