R4RIN – MCQs, Mock Tests | TET UPSSSC PET MCQs General Science Set- 1

The wavelength of a wave in air is 0.60 cm and the speed is 300 m/s. This wave is—

1. infrasound wave
2. audio wave
3. ultrasonic waves
4. neither of the above

✅ Correct Answer: 3

The temperature on the Celsius scale is 25°C. The corresponding temperature on the Fahrenheit scale will be-

1. 40°F
2. 77°F
3. 50°F
4. 45°F

✅ Correct Answer: 2

Not found in plants of Pteridophyta group.

1. Flower
2. Trunk
3. Root
4. leaves

✅ Correct Answer: 1

What is the outermost level of the brain?

1. piameter
2. Dura mater
3. arachnoid
4. membrane

✅ Correct Answer: 2

The phenomenon of visible colors in soap thin film and soap bubbles is due to?

1. interference
2. deflection
3. diffraction
4. reflection

✅ Correct Answer: 2

The fuse wire should have-

1. high resistance and low melting point
2. low resistance and low melting point
3. low resistance and high melting point
4. high resistance and high melting point

✅ Correct Answer: 1

The fact of the nature of light waves is indicated by which of the following phenomena?

1. polarization
2. diffraction
3. interference
4. all of which

✅ Correct Answer: 3

A stone thrown from a tower with zero speed will fall on the ground in 4 seconds, then the height of the tower will be?

1. 20 meters
2. 40 meters
3. 80 meters
4. 160 meters

✅ Correct Answer: 3

'ampere' measurement is used in

1. Temperature
2. Electricity
3. Light
4. Weight

✅ Correct Answer: 2

Which one is the most powerful reducing agent among the following acids?

1. formic acid
2. acetic acid
3. propionic acid
4. chloroacetic acid

✅ Correct Answer: 1

The amount of heat required to convert 5 grams of ice at 20°C into steam at 100°C –

1. 675 calories
2. 3775 calories
3. 3650 calories
4. 3725 calories

✅ Correct Answer: 3

If part of a radioactive element disintegrates in one hour, its half-life may be

1. 2 hours
2. 1/2 hour
3. 1/4 hour
4. 1/3 hour

✅ Correct Answer: 2

Amino acids are obtained on hydrolysis of the following?

1. Fat
2. carbohydrates
3. protein
4. nucleic acid

✅ Correct Answer: 3

When oxygen and hydrogen gas are at the same temperature and pressure, there are 16 times more oxygen molecules than hydrogen molecules. Oxygen to hydrogen molecules: The ratio of the square-mean-value speed of the molecules will be-

1. 2
2. 4
3. 16
4. 1/4

✅ Correct Answer: 4

What is indole acetic acid?

1. enzymes
2. amino acids
3. fungicide
4. auxin

✅ Correct Answer: 4

What is the reason for the difference in mass of isotopes of an element?

1. Different number of protons in their nucleus.
2. Different numbers of neutrons in their nuclei.
3. different number of electrons in their nucleus
4. Different number of valence electrons.

✅ Correct Answer: 2

Is it formed by chemical reaction only?

1. of methane
2. of CFCs
3. of carbon dioxide
4. nitrous oxide

✅ Correct Answer: 2

Which of the following group is not found in plants.

1. cladofera
2. Cara
3. Marseilla
4. ulothrix

✅ Correct Answer: 3

In which of the following the plant body is differentiated into roots, stem and leaves?

1. marchencia
2. funeria
3. Marseilla
4. Cara

✅ Correct Answer: 3

In which of the following plants, secretory reproductive organs are found?

1. Marseilla
2. Canopy Cedar (Pinus)
3. Cedar
4. ipomoea

✅ Correct Answer: 1

What is the reason for weightlessness in satellite?

1. zero gravity
2. center of mass
3. zero reaction force on the surface of the satellite
4. neither of the above

✅ Correct Answer: 3

A ball is thrown upwards and it returns to the ground following a parabolic path. Which of the following will remain constant-

1. kinetic energy of the ball
2. ball speed
3. horizontal component of velocity
4. vertical component of velocity

✅ Correct Answer: 3

Which pair of atomic numbers represents S-block elements?

1. 7, 15
2. 6, 12
3. 9, 17
4. 3, 12

✅ Correct Answer: 4

Milk is

1. milk fat
2. water soluble fat
3. fat water
4. water dispersed in oil

✅ Correct Answer: 2

Length is not measured by which of the following units?

1. Fermi
2. dibai
3. micron
4. light years

✅ Correct Answer: 2

Which of the following cycles is an important aspect of weather patterns on Earth?

1. carbon cycle
2. the water cycle
3. nitrogen cycle
4. oxygen cycle

✅ Correct Answer: 2

Chemical disinfection of drinking water can be done using which of the following?

1. fluorine
2. chlorine
3. iodine
4. bromine

✅ Correct Answer: 2

Which of the following instruments is used to record earthquakes?

1. seismograph
2. sonograph
3. spectrograph
4. sphygmograph

✅ Correct Answer: 1

Which of the following is also known as Niacin?

1. Vitamin-B3
2. Vitamin-B5
3. Vitamin-B7
4. Vitamin-B6

✅ Correct Answer: 1

Which of the following is a 'conditional' amino acid?

1. Glutamic
2. aspartic
3. alanine
4. arginine

✅ Correct Answer: 4

At which stage of the embryo can all the body parts be identified?

1. zygote
2. Embryo
3. Fetus
4. ovum

✅ Correct Answer: 3

Which of the following Indian scientists collaborated with Norman Borlaug, which resulted in the 'Green Revolution' in India?

1. Satyendra Nath Bose
2. Meghnad Saha
3. Hargobind Khurana
4. M / s. Swaminathan

✅ Correct Answer: 4

Which of the following is a good source of Vitamin-C?

1. green cauliflower
2. Sugar
3. egg
4. wheat

✅ Correct Answer: 1

Deficiency of which of the following causes pellagra disease?

1. Vitamin-B3
2. Vitamin-B5
3. Vitamin-B2
4. Vitamin-B7

✅ Correct Answer: 1

Which of the following instruments is used to measure electrical resistance?

1. ohmmeter
2. voltmeter
3. galvanometer
4. ammeter

✅ Correct Answer: 1

What is the SI unit of volume?

1. cubic centimeter
2. cubic decimeter
3. cubic metre
4. cubic inches

✅ Correct Answer: 3

Quicksilver is a product of which of the following?

1. silver
2. Iron
3. Mercury
4. Mangani

✅ Correct Answer: 3

Sliding friction……. it happens.

1. little more than limiting friction
2. little less than limiting friction
3. same as limited friction
4. sometimes less and sometimes more than the limiting friction

✅ Correct Answer: 2

For what is oil immersion used in light microscopy?

1. to increase the resolving power of the microscope
2. to reduce the resolving power of the microscope
3. To increase the magnifying power of the microscope
4. To increase the dividing power as well as the magnifying power of a microscope

✅ Correct Answer: 1

Identify the organ/part of human beings which is not related to the process of respiration.

1. alveoli
2. micro trachea
3. glomerulus
4. pleura

✅ Correct Answer: 3

From the following options, identify the hormone which helps in the growth of children.

1. gonadotropins
2. progesterone
3. oxytocin
4. somatotropin

✅ Correct Answer: 4

Which of the following animals does not belong to the group of mammals?

1. kangaroo
2. hippopotamus
3. scoliodon
4. whale

✅ Correct Answer: 3

Which component of food provides maximum energy in a balanced diet?

1. vitamins
2. protein
3. lipid
4. carbohydrates

✅ Correct Answer: 4

The real shape of the object is formed on the screen by a convex lens. If the upper part of a convex lens is covered with an opaque paper, what will be the effect on the image?

1. Only the lower part of the object will be imaged
2. Only the lower part of the object will be imaged
3. will not receive any image
4. Full image of the object will be obtained, but its intensity will be reduced

✅ Correct Answer: 4

A passenger sitting in a train running at a constant speed throws a ball vertically upwards. Where will that ball fall?

1. in the hands of the traveler
2. front passenger
3. behind the passenger
4. It depends on the direction of motion of the train

✅ Correct Answer: 1

Alternating current (AC) can be converted into direct current (DC) using which of the following?

1. amplifier
2. stabilizer
3. Rectifier
4. transformer

✅ Correct Answer: 3

A man measures his weight as 600 N with the help of a balance. If the person stands on the same balance in a lift going up with a speed of 5 m/s, what will be the weight shown on the balance?

1. less than 600 N
2. more than 600 N
3. same as 600N
4. same as 0

✅ Correct Answer: 3

In which range is the pH value of water for public supply?

1. 3.5 to 6.5
2. 6.5 to 8.5
3. 8.5 to 10.5
4. 10.5 to 13

✅ Correct Answer: 2

What should be the maximum permissible amount of arsenic element for domestic water supply?

1. 0.005ppm
2. 0.500 p.p.m.
3. 0.050ppm
4. 5.500ppm

✅ Correct Answer: 3

AIDS spreads through-

1. by shaking hands
2. by breathing
3. contact from insects
4. by physical contact

✅ Correct Answer: 4