Science
Science MCQs Free Preparation and Practice Test for School/College and Various Entrance and Competitive Exams
Questions
Which type of medicine is used for treating indigestion?
- Antibiotic
- Analgesic
- Antacid
- Antiseptic
Contamination of well water could be assessed by the presence of
- lactobacillus
- coliform bacteria
- azotobacter
- rhizobium
The hormone released during emergency situations is ___________.
- insulin
- thyroxine
- testosterone
- adrenaline
The primary male reproductive organ is the ____________.
- scrotum
- penis
- epididymis
- prostate gland
The only natural resource we get from outside the Earth is _______________.
- flora and fauna
- food and water
- geothermal energy
- solar energy
In physics, what does MCB stands for?
- Miniature Circuit Breaker
- Mature Circuit Board
- Miniature Circuit Board
- Magnetic Current Balance
Across each resistor in a series combination, there will be a voltage drop that _____________.
- increases with increase in resistance
- decreases with increase in resistance
- increases with decrease in resistance
- remains same with increase in resistance
Which of the following biomolecules is not the final product of digestion?
- Glucose
- Amino acid
- Proteins
- Fatty acid and glycerol
Which biomolecule(s) is/are transported through the phloem cells to different parts of plant?
- Sugars
- Amino acids
- Messenger RNAs
- All of the above
The noble gas with doublet arrangement of electrons is ____________.
- helium
- neon
- argon
- xenon
The rear view mirror used in vehicles is a _________ mirror.
- convex
- concave
- plane
- plano-concave
Which of the following options is a lustrous non-metal?
- Carbon
- Sulphur
- Phosphorus
- Iodine
Humans have two eyes to have _____________.
- wider view range
- large power of accommodation
- clear near and far vision
- clear vision in day and night
Which of the following areas is found in the fore-brain of humans?
- Sensory area
- Association area
- Motor area
- All of the above
The fundamental property of an atom used in periodic classification is the ______________________.
- atomic mass
- mass number
- atomic number
- atomic radius
In fleming's left hand rule, the thumb denotes the direction of the ____________.
- force on conductor
- induced current
- current flow
- magnetic field
Which one of these contraceptive measures can be used to prevent pregnancy without any medical supervision?
- Condoms
- Copper-T
- IUD
- Vasectomy
____________ is also known as the ‘country of winds'.
- India
- Denmark
- Japan
- USA
Lights travel faster in a _________ medium than in a ______ medium.
- denser, rarer
- gaseous, plasma
- rarer, denser
- rarer, gaseous
In which of the following devices is electromagnet not used?
- Torches
- Door bells
- Generators
- Loud speakers
To remove the accumulated toxic waste from the patient's body, the device used is known as ____________.
- sphygmomanometer
- stethoscope
- hemodialyzer
- electroencephalograph
Formation of different types of cabbage is due to ___________________.
- natural selection
- speciation
- generic drift
- artificial selection
A person who cannot distinguish between different colours has a problem that is related to ___________.
- cornea
- eye lens
- rods
- cones
__________ can be corrected by the use of concave lenses.
- Short-sightedness
- Far-sightedness
- Squint
- Night blindness
The sting of yellow wasps gets neutralized by rubbing __________________.
- soap
- vinegar
- lime
- liquid ammonia