R4RIN – MCQs, Mock Tests | General Science General Science MCQ Questions Set -7

Lipids are insoluble in water because lipids are

1. Hydrophobic
2. Zwitter ions
3. Hydrophylic
4. Neutral

✅ Correct Answer: 1

Climatology is a subspecialty of

1. meteorology
2. environmental science
3. oceanography
4. marine biology

✅ Correct Answer: 2

Glass is made of the mixture of

1. sand and silicates
2. quartz and sand
3. mica and quartz
4. mica and silicates

✅ Correct Answer: 1

The chief constituent of gobar gas is

1. Methane
2. Carbon dioxide
3. Ethane
4. Hydrogen

✅ Correct Answer: 1

What is the study of flags called

1. Vexillology
2. Vexillography
3. Vexology
4. None of the above

✅ Correct Answer: 1

The concrete slump recommended for beams and slabs -

1. 45 to 75 mm
2. 50 to 100 mm
3. 25 to 45 mm
4. 30 to 125 mm

✅ Correct Answer: 4

Which of the following statements describes the glycemic index of foods?

1. the extent to which a given food raises blood glucose and insulin levels
2. the amount of insulin required to metabolize 100 grams of glucose
3.
4. the glucose content of a given food

✅ Correct Answer: 1

Which of the following is a chemical property?

1. Reactivity
2. Solubility
3. Density
4. All of the above

✅ Correct Answer: 1

What colors make green?

1. Blue & Red
2. Red & White
3. Yellow & Red
4. Yellow & Blue

✅ Correct Answer: 4

Exercise is a subset of physical activity that is

1. Repetative
2. Planned
3. Structured
4. All of the above

✅ Correct Answer: 4

What gas makes up most of the atmosphere?

1. Oxygen
2. Helium
3. Nitrogen
4. Carbondioxide

✅ Correct Answer: 3

Pulses are a good source of

1. Proteins
2. Fats
3. Vitamins
4. Carbohydrates

✅ Correct Answer: 1

Crop rotation helps to

1. eliminate parasites which have selective hosts
2. lessen use of pesticides
3. produce a greater choice of plant products
4. yield more crops

✅ Correct Answer: 1

The central principle of physiology is

1. reflexes
2. homeostasis
3. stimulation
4. temperature regulation

✅ Correct Answer: 2

From where do most producers get energy?

1. plants
2. sun
3. water
4. All of the above

✅ Correct Answer: 2

Most organic compounds contain carbon and

1. Hydrogen
2. Nitrogen
3. Potassium
4. All of the above

✅ Correct Answer: 1

Plant cell walls consist mainly of

1. Chitin
2. peptidoglycan
3. cellulose
4. chlorophyll

✅ Correct Answer: 3

The molten material mixed with eases in the mantle of the Earth is called:

1. Magma
2. Helium
3. Core
4. Lava

✅ Correct Answer: 1

Which process removes carbon dioxide from the atmosphere?

1. Combustion
2. Photosynthesis
3. Respiration
4. All of the above

✅ Correct Answer: 2

When driving in reverse you should

1. Unbuckle your seat belt so you can reverse as quickly as possible
2. Take care and never reverse for a greater distance and time than is necessary
3. Put your hazard warning lights on and perform the manoeuvre as quickly as possible to minimise danger
4. Sound your horn to warn other drivers

✅ Correct Answer: 2

Which of these is an example of negative feedback?

1. After you eatinsulin stimulates the lowering of blood sugar levels.
2. Once labor beginscontractions increase in frequency and intensity.
3. After you eatglucagon stimulates an increase in blood sugar levels.
4. As a blood clot begins to formthe process of its formation gets faster and faster.

✅ Correct Answer: 1

Activation of the receptors by stimuli is called

1. Perception
2. Habituation
3. Adaptation
4. Sensation

✅ Correct Answer: 4

A homogeneous mixture is also called

1. Compound
2. Pure substance
3. Solution
4. None of the above

✅ Correct Answer: 3

One who collects coins as hobby

1. Numismatist
2. Philatelist
3. Statistician
4. Ornithologist

✅ Correct Answer: 1

For a thirsty persondrinking water serves to reduce

1. an instinct
2. the set point
3. basal metabolic rate
4. a drive

✅ Correct Answer: 4

The amount of water vapor in the air is called

1. Saturated air
2. Precipitation
3. Humidity
4. Capacity

✅ Correct Answer: 3

Cold foods should be kept at a temperature of

1. < 5 deg Celcius
2. > 18 deg Celcius
3. > 41 deg Celcius
4. < -18 deg Celcius

✅ Correct Answer: 1

What is the resolution of the human eye?

1. 576 MP
2. 488 MP
3. 360 MP
4. 285 MP

✅ Correct Answer: 1

In C3 plants the conservation of water promotes

1. Photosynthesis
2. The opening of stomata
3. Photorespiration
4. None of the above

✅ Correct Answer: 2

Proteins are made where in the cell

1. Cytoplasm
2. Chromosomes
3. Nucleus
4. Ribosomes

✅ Correct Answer: 4

Which planet is known as the Morning Star or the Evening Star?

1. Jupiter
2. Venus
3. Mercury
4. Saturn

✅ Correct Answer: 2

What is it called when you can't hear?

1. Deaf
2. Dumb
3. Mute
4. Blind

✅ Correct Answer: 1

A lunar eclipse occurs when

1. The Sunthe Earth and the Moon are in a straight line
2. The Moonand The Earth are in a straight line
3. The Sun and the Earth are in a straight kine
4. The Sun and the Moon are in a straight line

✅ Correct Answer: 1

Which of the following is the lowermost layer of the Atmosphere?

1. Troposphere
2. Mesosphere
3. Thermosphere
4. Exosphere

✅ Correct Answer: 1

What is a single celled organism called

1. protoctists
2. chromosomes
3. unicellular
4. bicellular

✅ Correct Answer: 3

The hot holding temperature for potentially hazardous foods must be

1. not less than 60 deg
2. less than 60 deg
3. less than 5 deg
4. None of the above

✅ Correct Answer: 1

Which nutrient provides maximum energy?

1. Fats
2. Carbohydrates
3. Proteins
4. None of the above

✅ Correct Answer: 1

Which is a density independent factor in controlling a population?

1. Food shortage
2. Disease
3. Floods
4. All of the above

✅ Correct Answer: 3

Which energy source generates radioactive waste?

1. Nuclear power
2. Thermal power
3. Hydel power
4. All of the above

✅ Correct Answer: 1

What is the lowest layer of the atmosphere called as

1. Ionosphere
2. Thermosphere
3. Troposphere
4. Mesosphere

✅ Correct Answer: 3

Which of the following is a projective test?

1. Thematic apperception test
2. Rorschach's ink blot test
3. Sentence completion test
4. All of the above

✅ Correct Answer: 4

ElectronProtonNeutron discovered by

1. J. J. ThomsonErnest Rutherford & James Chadwick
2. John DaltonJ.J. Thomson & Neils Bohr
3. Neils BohrJohn Dalton & J.J. Thomson
4. None of the above

✅ Correct Answer: 1

What is the major source of dietary sulfur?

1. Proteins
2. Carbohydrates
3. Mineral salts
4. All of the above

✅ Correct Answer: 1

Who was discovered Oxygen?

1. John Dalton
2. Thomas Moore
3. Lavoisier
4. Joseph Priestley

✅ Correct Answer: 4

The gaseous form of water is called

1. Methane
2. Water vapour
3. Humidity
4. Propane

✅ Correct Answer: 2

All the organisms on your campus make up

1. a community
2. a group
3. an ecosystem
4. None of the above

✅ Correct Answer: 1

A universal recipient blood group belongs to

1. O
2. A
3. B
4. AB

✅ Correct Answer: 4

The most abundant gas in the atmosphere is

1. Nitrogen
2. Argon
3. Oxygen
4. Helium

✅ Correct Answer: 1

Charaka Samhita was a work on

1. Astrology
2. Law
3. Medicine
4. Religion

✅ Correct Answer: 3