1. ## If x mod 3 = 1 and x mod 7 = 4. Which of the following is (are) possible values for x?

The correct answers are 25 and 67. This is because: 25 divided by 3 leaves a remainder of 1 25 divided by 7 leaves a remainder of 4 67 divided by 3 leaves a remainder of 1 67 divided by 7 leaves a remainder of 4

The correct answers are 25 and 67.

This is because:

25 divided by 3 leaves a remainder of 1
25 divided by 7 leaves a remainder of 4
67 divided by 3 leaves a remainder of 1
67 divided by 7 leaves a remainder of 4

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2. ## Suppose Sheetal’s birthday is on the Pth of October and Karthik’s birthday is on the Qth of November, where P and Q are perfect squares. If Sheetal was born 10 days before Karthik, then the value of P−2Q will be?

The answer is 17 (Seventeen). Explanation: It's given that - P is a date in the month of October Q is a date in the month of November. P and Q both are perfect squares. Perfect squares are numbers whose square root is a natural number, including 0. The available dates in October that are perfect numRead more

Explanation:
It’s given that –
P is a date in the month of October
Q is a date in the month of November.

P and Q both are perfect squares.

Perfect squares are numbers whose square root is a natural number, including 0.

The available dates in October that are perfect numbers are:

1*1 = 1st October
2*2 = 4th October
3*3 = 9th October
4*4 = 16th October, and
5*5 = 25th October

It’s mentioned that Pth October and Qth November are only 10 days apart.

As all the perfect square dates before 25th October do not occur 10 days before any date of November, the only choice we’re left with is 25th October.

10 days after 25th October comes 4th November.

here, both 25 and 4 are perfect squares.

thus, P = 25 and Q = 4.

Now, P – 2Q = 25 – 2(4) = 25 – 8 = 17 (Required Answer).

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4. ## Recently chickungunya cases were reported from various parts of the country. Name the vector responsible.

Aedes aegypti is the vector responsible for the widespread cases of chickungunya.

Aedes aegypti is the vector responsible for the widespread cases of chickungunya.

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5. ## Name the drugs of choice for withdrawal symptoms of alcohol.

Benzodiazepines are the drugs of choice for withdrawal symptoms of alcohol.

Benzodiazepines are the drugs of choice for withdrawal symptoms of alcohol.

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7. ## What are psychotropic drugs?

The drugs that affect the central nervous system and alter the behaviour, perception and consciousness are called psychotropic drugs.

The drugs that affect the central nervous system and alter the behaviour, perception and consciousness are called psychotropic drugs.

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8. ## What is the source for drug LSD (Lysergic Acid Diethylamide)?

Ergot fungus is the source for Lysergic Acid Diethylamide (LSD).

Ergot fungus is the source for Lysergic Acid Diethylamide (LSD).

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10. ## What are antigenic determinants?

Antigenic determinants are those sites on antigens that are recognised by antibodies and receptors present on B-cells and T-cells.

Antigenic determinants are those sites on antigens that are recognised by antibodies and receptors present on B-cells and T-cells.

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11. ## Name the two chemicals released by damaged cells that help in immunity

Histamine and Prostaglandins are the two chemicals released by damaged cells that help in building immunity.

Histamine and Prostaglandins are the two chemicals released by damaged cells that help in building immunity.

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13. ## What is the role of histamine in inflamatory response?

Histamine is released by lymphocytes which cause the blood vessels to dilate.

Histamine is released by lymphocytes which cause the blood vessels to dilate.

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