Related Questions

Grass seeds can move from continent to continent by attaching themselves to the fur of animals and to the clothes and belongings of man. The slave trade brouth three grasses, including Bermuda grass, from Africa to the United states. What does the second sentence do?
ক It restates the idea in the first sentence
খ It states an efficet
গ It gives an example
ঘ It draws a conclusion from the idea in the first sentence
Patchy skin pigmentation occurs in following conditions
ক Peutz - Jeghers syndrome
খ Purpura
গ Familial polyposis
ঘ Addison’s disease
ঙ Vitiligo
What action will correct patchy, faint, uneven or intermittent print on a dot matrix printer?
ক Replacing the ribbon
খ Replacing the timing belt
গ Adjusting the paper feed tension
ঘ Adjusting the tractor feed tension
ঙ None of the above
Fresh fruit contains 68% water and dry fruit contains 20% water, How much dry fruit can be obtained from 100 km of fresh fruits?
ক 20 kg
খ 30 kg
গ 35 kg
ঘ 40 kg
The ratio of the actual mass of water vapour in a unit mass of dry air to the mass of water vapour in the same mass of dry air when it is saturated at the same temperature and pressure, is called
ক Humidity ratio
খ Relative humidity
গ Absolute humidity
ঘ Degree of saturation
The ratio of quantity of water in fresh fruit to that of dry fruits is 7 : 2 . If 400 km of dry fruits contain 50 km of water then find the weight of the water in same fruits when they were fresh?
ক 100 km
খ 150 km
গ 175 kg
ঘ 125 kg
Pharmacists recently conducted a study with respect to the reasons their customers purchased eye drops to soothe eye dryness. Dry eyes were more frequently experienced by customers who wore contact lenses than by custorners who did not wear contact lenses. The pharmacists concluded that wearing contact lenses, by itself, can cause contact wearers to have dry eyes.
ক An inherited condition can cause both weak eyesight and dry eyes
খ Physical exertion causes dry eyes in many people who wear contact lenses.
গ Most people who have dry eyes do not wear contact lenses.
ঘ Most people who wear contact lenses do not have dry eyes.
The wet bulb temperature is lower in dry air than in wet air at the same temperature. A dry bulb thermometer registers a higher temperature than a wet bulb thermometer except at __________ percent relative humidity.
ক 0
খ 100
গ 50
ঘ None of these
In case of dry spinning of polymers, the polymer solution in a volatile solvent is forced through the spinnerates into a warm air chamber, where the solvent evaporates leaving behind the polymer in the filament form. Dry spinning is used for __________ fibres.
ক Polythene
খ PVC
গ Rayon
ঘ Polyvinyl acetate
Fresh grapes contain 80 percent water while dry grapes contain 10 percent water. If the weight of the dry grapes is 250 kg what is total weight when it was fresh? 
ক 1000 kg
খ 1100 kg
গ 1125 kg
ঘ 1225 kg

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