Skip to content- Which of the following chemical substance is present in bones and teeth of animals?
- Sodium chloride
- Sugar
- Calcium phosphate
- Calcium sulphate
- In which principle a washing machine works?
- Centrifugation
- Dialysis
- Reverse osmosis
- Diffusion
- Which acids are present in acid rain in high levels?
- Oxalic acid
- Acetic acid
- Sulphuric acid
- Nitric acid
- Biogas is the other name of ___________ gas?
- Natural
- Oxygen
- Carbon dioxide
- Nitrogen
- What is the color of the plates of a solar panel?
- Which device measure current, voltage and resistance?
- AVO meter
- Galvanometer
- Ammeter
- Ohmmeter
- Which waves are used for sending signals to the satellite from ground station?
- X-rays
- Sound waves
- Micro waves
- Ultraviolet rays
- The procedure of crushing kidney stones by laser is called _________?
- MRI
- Angiography
- Lithotripsy
- Dialysis
- Which ray has high penetrating power?
- Alpha rays
- Beta rays
- Gamma rays
- X-rays
- Steel is more ______ than rubber?
- What is the reason to leave a gap between railway tracks?
- To allow expansion during heat
- To save cost of metal
- To permit shrinking
- To save place
- Which acid is used in a car battery?
- Hydrochloric acid
- Nitric acid
- Sulphuric acid
- Carbonic acid
- By fermentation of rotten grapes _________ is formed?
- Ice cream
- Soda
- Vinegar
- Grapes juice
- By using _____ mirror, we can focus on sunlight?
- The living organisms with back bone are called?
- Invertebrate
- Vertebrate
- Amphibians
- Reptiles
- Triple antigen vaccine is against______?
- Whooping cough
- Polio
- Corona
- Typhoid
- Ribosomes in a cell are essential for _________ synthesis?
- Vitamin
- Protein
- Fats
- Carbohydrates
- About 700 _____ are present in human body?
- Which gland is also called “Adam’s apple”?
- Thyroid
- Pituitary
- Thymes
- Adrenal
- Which muscle is strongest of all in human body?
Pages:
1 2 3 4 5 6 7 8 9 10 11 12