Everyday Science MCQS Set-2 for preparation. ( CSS NTS OTS )
What is the actual time rotation of Earth?
A. 12hours 45mins 4sec
B. 20hours 36mins 4sec
C. 23hours 56mins 4sec
D. 25hours 32mins 4sec
Who coined the name Virus?
A. Louis Pasteur
B. Frederick Twort
C. Robert Hooke
D. MW Beijerinck
Meat gives the largest number of:
Light energy is stored in the form of ___ due to the activity of Chloroplast.
A. Electrical energy
B. Radiant energy
C. Mechanical energy
D. Chemical energy
If a green leaf is seen in a red light its color will be:
The branch of study dealing with old age and aging is called:
What is the atomic number for Hydrogen?
Epiphytic and Parasitic plants grow on which of the following?
In a standard drug test, which seeds can cause false positive results for opium use?
Which is used common in storage batteries?
What system our Brain is in?
A. Respiratory System
B. Bone System
C. Nervous System
D. Digestive System
Which is not a greenhouse gas?
A. Carbon Dioxide
Human breath is visible in winter but not in summer because:
A. Breath contains certain impurities
B. The difference in outside pressure gives visibility to breath
C. Water vapor in breath condenses in cold air, making it visible
D. None of the Above
What stored energy is commonly called?
A. Kinetic energy
B. Potential energy
C. Chemical energy
D. Radiant energy
What organelle is known as the ‘Brain’ of the cell?
D. Cell Membrane
Diabetes is a disease of:
Dialysis is used for people with defective:
Which of the following is the lightest gas?
D. Carbon dioxide
What is the percentage of salt water on earth surface?
Sunlight made of how many colours?
A. Four Colours
B. Five Colours
C. Six Colours
D. Seven Colours
Which is used as a moderator in nuclear reactors?
B. Heavy Water
C. Nuclear Water
D. Hard Water
Which among the following salts has the highest percentage in ocean water?
A. Sodium Chloride
B. Magnesium Chloride
C. Calcium Sulphate
D. Calcium Carbonate
Which layer of the Sun has a reddish glow?
What is the temperature at the outer surface of the Sun?
A. 1000 degrees C
B. 4000 degrees C
C. 6000 degrees C
D. 100000 degrees C
Eugenics is the study of:
A. genetic of plants
B. different races of mankind
C. people of European origin
D. altering human beings by changing their genetic components
The ozone layer restricts:
A. X-rays and gamma rays
B. Visible light
C. Infrared radiation
D. Ultraviolet radiation
Galileo was an Italian astronomer who:
A. developed the telescope
B. discovered four satellites of Jupiter
C. discovered that the movement of the pendulum produces a regular time measurement
D. All of the above
Where in the world did the essential evolutionary changes occur that led to humans?
A paleontologist is a scientist who studies:
A. Human behavior
B. Ancient DNA
D. Prehistoric life
Bipedalism is a characteristic usually found in:
Humans share a common ancestor with which of the following primates?
How long have human-like (hominin) species been present on Earth?
A. 6,000 years
B. 1 million years
C. 2 million years
D. Over 6 million years
Gypsum is added to cement clinker to:
A. decrease the rate of setting of cement
B. increase the tensile strength of cement
C. bind the particles of calcium silicate
D. facilitates the formation of a colloidal gel
The property of a substance to absorb moisture from the air on exposure is called:
Most soluble in water is:
B. common salt
Epidemiology is the study of:
A. Epidermis diseases
B. Epidemic diseases
C. Dermis diseases
D. None of these
Nuclear fission is caused by the impact of:
Brass gets discolored in air because of the presence of which gases in air?
B. Hydrogen sulfide
C. Carbon dioxide
Ornithology is the study of which of the following?
A. Study of bones
B. Study of birds
C. Study of smells
D. None of these
Chlorophyll is a naturally occurring chelate compound in which central metal is: