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Recently added practice questions

8961. Hymenoptera are almost_______ long.
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A. 0.02 mm

B. 0.3 mm

C. 0.2 mm

D. 0.03 mm

8962. Hygrometer is used for measuring the ____________?
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A. Speed of sound

B. Humidity of air

C. None of these

D. Density of milk

E. Specific gravity of liquids

8963. Hydropic degeneration of the basal cell of the straturn germinativum is a feature of___________?
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A. Syphilis

B. Lichen planus

C. Leukoplakia

D. Pemphigus

8964. Hydrolysis of sugar is called_____________________?
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A. Inversion

B. None of these

C. Esterification

D. Hydration

8965. Hydrolysis of sugar is called_____________________?
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A. Esterification

B. Inversion

C. Hydration

D. None of these

8966. Hydrogenolysis results in the formation of________________?
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A. alkyne

B. aldehydes

C. alkane

D. alkene

8967. Hydrogenation of oil is carried out in a/an _______________ in Vanaspati manufacturing plant?
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A. Sieve tray column

B. Packed tower

C. Bubble cap column

D. Agitated vessel
8968. Hydrogen has ______________ isotopes?
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A. One

B. No

C. Two

D. Three
8969. Hydrogen bonding is involved in____________________?
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A. Biological molecules

B. All

C. Cleansing action of detergents

D. Solubility

8970. Hydrogen atom does not emit X-rays because _________________?
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A. it has a single electron

B. its energy levels are too close to each other

C. its energy levels are too far apart

D. it is too small in size

8971. Hydrocyanic acid (HCN) is used as an insecticide for____________________?
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A. Controlling poultry lice

B. Potato beetle

C. Controlling timber degradation by ants

D. Citrus fruits
8972. Hydrocracking employs ___________________?
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A. High temperature and low pressure

B. High pressure & temperature

C. High pressure and low temperature

D. Low pressure & temperature

8973. Hydrazine is used in water treatment for the removal of___________________?
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A. Colloidal impurities

B. Dissolved oxygen

C. Chlorinous taste

D. Turbidity

8974. Hydraulic radius is the ratio of ____________________?
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A. Square root of flow area to wetted perimeter

B. Flow area to square of wetted perimeter

C. Wetted perimeter to flow area

D. Flow area to wetted perimeter
8975. Hydraulic accumulator is used for____________________?
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A. generally high pressures to operate hydraulic machines

B. supplying large quantities of oil for very short duration

C. accumulating oil

D. supplying energy when main supply fails

E. accumulating hydraulic energy

8976. Hydration is a process in which_________________?
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A. Molecules are surrounded by solvent molecules

B. Ions are surrounded by solvent molecules

C. Both ions and molecules are surrounded by solvent molecules

D. Both ions and molecules are surrounded by water molecules
8977. Hydatid cyst is__________________?
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A. Congenital

B. Fungal

C. Parasitic in nature

D. Viral

8978. Hybrid seeds are developed because they_________________?
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A. Provide greater vigour

B. All the above

C. Are more uniform

D. Produce better crop

8979. Hunting in a synchronous motor cannot be due to___________?
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A. variable frequency

B. variable supply voltage

C. windage friction

D. variable load

8980. Humus generally refers to the decomposed organic residues which have undergone a series of degradation and synthesis cycles. The humic substances consist of a series of highly acidic, yellow to black coloured, high molecular weight compounds __________________, which can be separated using different extraction procedures:
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A. Hymatomelanic acid & Humin

B. Humic acid & Fulvic acid

C. both A & B

D. None of these

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