PMS PAST PAPER HELD ON 04.04.2022Mastication is also known as?
A) Assimilation of food
B) Absorption of food
C) Excretion of food
D) Chewing of food
Mastication means chewing food in the mouth. This process breaks food into smaller pieces and mixes it with saliva, making swallowing easier and improving digestion by increasing the surface area for enzymes to act upon.
PMS PAST PAPER HELD ON 04.04.2022
A)
Sweet smelling fruits
B)
Seedless fruit
C)
Summer fruits
D)
Small fruits
Parthenocarpy is the development of fruits without fertilization, resulting in seedless fruits. Common examples include bananas and some varieties of grapes and oranges widely preferred in commercial agriculture.
PMS PAST PAPER HELD ON 04.04.2022
A)
0.1 sec
B)
0.2 sec
C)
0.3 sec
D)
0.4 sec
A standard mechanical stopwatch is commonly designed to measure time intervals as small as one-tenth of a second (0.1 sec). Such precision is useful in laboratories, sports timing, and scientific experiments requiring accurate measurements.
PMS PAST PAPER HELD ON 04.04.2022
A)
Rain meter
B)
Rain gauge
C)
Hydrometer
D)
Hydroscope
A rain gauge is the standard meteorological instrument used to measure the amount of rainfall over a specific period. It helps weather departments analyze precipitation patterns, flooding risks, and climate conditions.
PMS PAST PAPER HELD ON 04.04.2022
A)
Vitamins
B)
Carbohydrates
C)
Minerals
D)
Proteins
Most enzymes are proteins that act as biological catalysts in living organisms. They speed up chemical reactions necessary for digestion, metabolism, respiration, and many other cellular activities without being consumed themselves.
PMS PAST PAPER HELD ON 04.04.2022
A)
300°C
B)
350°C
C)
400°C
D)
450°C
In petroleum refineries, crude oil is typically heated to around 400°C before entering the fractional distillation column. Heating separates hydrocarbons into products such as petrol, diesel, kerosene, and lubricating oils based on boiling points.
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