Question

Objective Questions
sters (like
Choose the correct option.
(d) a cosmetic
Or15
(d) Urea
(c) Talc
(d) diarrhoea
1. DAP is commonly used as
(a) an antibiotic (b) an antimicrobe
(c) a fertilizer
2. Which of the following is a sugar substitute?
(a) Sucralose
(b) Boric acid
3. The use of iodized salt helps prevent
(a) malaria
(b) goitre
(c) typhoid
4. The
gas in a packet of potato chips is
(a) oxygen
(b) hydrogen
(c) nitrogen
5. To which of the following types of fibres does Terylene belong?
(a) Rayons
(b) Polyesters
(c) Nylons
ee of the
(d) chlorine
(d) Acrylics
Fill in the blanks.
1. Urea gives ...... to the soil. (nitrogen/phosphorus)
2. Sodium benzoate is used in food processing as a .......
. (sugar substitute/preservative)
3. Boric acid is used as ....... in cosmetics. (an antiseptic/a perfume)
4. Ginning means removing ...... from cotton. (dirt/seeds)
5. Acrylics are ...... substitutes. (wool/silk)
6. Synthetic fibres are ...... than natural fibres. (weaker/stronger)
Write 'T' for true and 'F' for false for the following statements.
1. Potassium chloride is used as a fertilizer.
2. Vitamin C is ascorbic acid.
3. Talc is not a silicate mineral.
4. Penicillin is an antimalarial.
5. The gin was invented in China.
6. A silk moth lays only one egg at one time.








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Answer 1

Answer:

d, c , c c a b

F F TT F T

Explanation:

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Answer 2

Answer:

2. a

4.seeds

6. stronger

Explanation:

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