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Quiz Hard 1

2

Quiz Hard 1

1 / 30

What is the name of the process by which molecules naturally flow from an area of higher concentration to one of lower concentratIon?

2 / 30

Which of the following statement is not related with SO2?

3 / 30

Which of the following compounds has fishing odour?

4 / 30

The study of animal is called

5 / 30

The expected specific waste of paper and allied products industry is

6 / 30

What is a method of forming polymer sheets or films into three-dimensional shapes in which the sheet is clamped on the edge, heated until it softens and saga, drawn in contact with the mold by vacuum, and cooled while still in contact with the mold?

7 / 30

The scientific study of plant life is called what?

8 / 30

In 1903 Arthur Lapworth became the first chemist to investigate a reaection mechanism reaction he investigated was that of hydrogen cyanide with prop a none.

9 / 30

The presence of ribosomes and DNA in mitochondria indicates the synthesis of

10 / 30

Which of the following is not a stage of mitotic interphase?

11 / 30

What are natural or synthetic rubber like materials which have out-standing elastic characteristics?

12 / 30

which chlorine compound has bonding that can be described as ionic with some covalent bond character?

13 / 30

What is a combination of two or more materials that has properties that the components materials do not have by themselves?

14 / 30

Which of the following is not present in mitochondria?

15 / 30

What is a measure of rigidity?

16 / 30

The process of cell division can take place by

17 / 30

The emissions from a power station contain about 14 tonnes of SO2 per hour from the oxidation of F2S2 contained in the coal

18 / 30

Which statement is most likely' to be true for astatine, which is below iodine in group VII of the periodic Table?

19 / 30

What is a method of casehardening involving diffusion in which the steel to be casehardened is machined. heat-treated. placed in an air-tight box and heated to about 10000F?

20 / 30

Who first observed and thus hypothesized that new cells are formed from previously existing living?

21 / 30

Which of the following statement is no true with respect to nitrogen dioxide.

22 / 30

At constant temperature and pressure, the rates of effusion of various gases vary inversely as square root of their densities. This is a statement of

23 / 30

Breeders have developed new and better varieties of food items, by using which technique:

24 / 30

The cell wall is secreted by

25 / 30

Which class of microtubules disappear during mitotic telophase?

26 / 30

Geneticist Hermann J. Muller wrote "In a sense we contain ourselves, wrapped up within ourselves, trillions of times repeated." To what does this quote refer?

27 / 30

Which of the following pollutant results from combustion of fossil fuels?

28 / 30

Membrane bound, mostly pigment containing bodies, present in the cells are called:

29 / 30

Which of the following technique is the application of voltametry at a fixed potential to detect changes in the currents as a function of the concentration of the analyte

30 / 30

who opposed the idea the cell is an empty space bounded by thick wall

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