Q:

Blotting paper absorbs ink due to

A) Capillary action phenomenon	B) Diffusion of ink through the blotting
C) Siphon action	D) Viscosity of ink

Answer & Explanation Answer: A) Capillary action phenomenon

Explanation:

Blotting paper absorbs ink by the process of capillary action. The capillary action is based on the property of surface tension of liquid.

All unsized paper will absorb water. Blotting paper is not sized and made bulkier to provide capillary action for faster absorption of liquid.

Blotting paper has also been sold as a cosmetic to aid in the removal of skin oils and makeup.

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Q:

Silviculture is the branch of botany in which we study about

A) Culture of algae	B) Development of forest
C) Culture of fungi	D) Silciphida plant

Answer & Explanation Answer: B) Development of forest

Explanation:

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Q:

Which among the following is/are All India Service(s)?

I. Indian Administrative Service
II. Indian Police Service
III. Indian Forest Service

A) Only I	B) Only II
C) Both I and II	D) All I, II and III

Answer & Explanation Answer: B) Only II

Explanation:

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Q:

Improve the bracketed part of the sentence

Grandfather always (finds faults) with the poor gardener.

A) find fault	B) find faults
C) is finding faults	D) no improvement

Answer & Explanation Answer: D) no improvement

Explanation:

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Q:

Which group in the modern periodic table contains elements that are inert gases?

A) Group 16	B) Group 18
C) Group 17	D) Group 15

Answer & Explanation Answer: B) Group 18

Explanation:

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Q:

Which of the following has a highest wind velocity ?

A) Loo	B) Tornado
C) Typhoon	D) Hurricane

Answer & Explanation Answer: B) Tornado

Explanation:

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Q:

Match the following.

Digestive Input Output

I. Proteins 1. Glycerol
II. Carbohydrates 2. Aminoacids
III. Fats 3. Glucose

A) I-2, II-3, III-1	B) I-1, II-3, III-2
C) I-2, II-1, III-3	D) I-3, II-2, III-1

Answer & Explanation Answer: A) I-2, II-3, III-1

Explanation:

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Q:

Which of the following is the strongest acid?

A) ClCH2COOH	B) BrCH2COOH
C) FCH2COOH	D) ICH2COOH

Answer & Explanation Answer: C) FCH2COOH

Explanation:

FCH₂COOH is the strongest acid out of all.

Since the electron withdrawing inductive effect (-I effect) of the halogens decreases in the order of F>Cl> Br> I , therefore the acidic strength of the α- halo acids decreases in the same order.

FCH₂COOH > ClCH₂COOH > BrCH₂COOH > ICH₂COOH.

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