Question # 1

Ozonosphere is mainly depleted by

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Excess CO

Excess Co2

CFCs

Ozone

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12

18

12π

30π

9⁶ + 7, when divided by 8, would have a remainder of

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0

6

5

None of these

The principle used in radar is the same as that of sonar. in reader we use radio waves whereas in sonar we use

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Red waves

Infrared waves

Ultrasonic

Super sonic

None of these

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60^o

65^o

75^o

70^o

Number Series Test

124, 63, 26, ......................................

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17

7

27

37

The fruit without seed,like banana,are called;

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Seed less fruits

Parthenogenesis fruits

Parthenocarpic fruits

Placental fruits

Five years ago, the average age of P and Q was 15 years. Average age of P, Q and R today is 20 years. How old will R be after 10 years?

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35 years

40 years

30 years

50 years

Which of the following is responisible for tranporting oxygen in the blood?

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White blood cells

Neutrophil

Red blood cells

None of these

The liver is supplied by two main blood vessels on it

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Gallbladder

Right lobe

Left lob

Caudate

The burning of coal, oil, and other combustible energy sources produces carbon dioxide, a natural constituent of the atmosphere. Elevated levels of carbon dioxide are thought to be responsible for half the greenhouse effect. Enough carbon dioxide has been sent into the atmosphere already to cause a significant temperature increase. Growth in industrial production must be slowed, or production processes must be changed.

Which of the following, it true, would tend to weaken the strength of the above conclusion ?

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Many areas of the world are cold anyway, so a small rise in temperature would be welcome.

Carbon dioxide is bad for the health.

Most carbon dioxide is emitted by automobiles.

Industry is switching over to synthetic liquid fuel extracted form coal.

A shift to other energy sources would be too costly.

Human population growth is greatest in developing countries because:

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The birth rate high in developing countries

The death rate high in developing countries

Much of population has already reached the child bearing age

Most of the world's population lives in industrialized countries

The complement of an angle exceeds the angle by 60^o. Then the angle is equal to

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25^o

30^o

15^o

35^o

Number Series Test

1, 8, 27, ?, 125, .....................................

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36

49

68

64

A Physical mathematical or logical representation of a natural phenomenon is called

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Phenomenal

A Scientific model

A theoretical postulate

None of these

Permanent hardness of water is due to the presence of

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Calcium bicarbonate

Magnesium bicarbonate

Calcium sulphate

Sodium bicarbonate

The quickest, most readily available source of energy for the body is_____?

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Protein

Carbohydrate

Lipid

Vitamins

If 5a + 3b/2a-3b = 23/5, then the value of a : b is

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2 : 1

1 : 4

1 : 2

4 : 1

In a class of 20 students in an examination in Mathematics 2 students scored 100 marks each, 3 got zero each and the average of the rest was 40. What is average of the whole class ?

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40 marks

35 marks

32 marks

45 marks

Coding & Decoding

If the word "CULDESAC" stands for 52673915, put down the following code in words.

527

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DCU

DUC

CUD

CDU

White blood cell (WBCs) fight infection from

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Bacteria

Viruses

Fungi

All of these

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