Everyday science 2022 part 01

Total Questions: 30

1 - Which among the following week was discovered by Alexandra Fleming?

A ) Insulin
B ) X_Ray
C ) Telephone
D ) Penicillin ✅

2 - The basic unit of plants and animals is ______ .

A ) Gene
B ) Chromosome
C ) Cell ✅
D ) DNA

4 - Which one of the following acid is used in battery?

A ) Hydrochloric acid
B ) Hydrofluoric acid
C ) Sulphuric acid ✅
D ) None of these

5 - Which of the following is laughing gas?

A ) Nitrous oxide ✅
B ) Nitric oxide
C ) Nitrogen oxide
D ) Nitrogen peroxide

6 - Which gas is used in fire extinguisher?

A ) Oxygen
B ) Nitrogen
C ) Nitrogen Dioxide
D ) Carbon dioxide ✅

7 - A process that is almost reverse of photosynthesis?

A ) Digestion
B ) Respiration ✅
C ) Excretion
D ) None of these

8 - Reptile hibernates in which season ?

A ) Spring
B ) Winter ✅
C ) Summer
D ) Autumn

9 - Which of the following is consider as the "primary Colors"?

A ) Red, Green, Orange
B ) Red, yellow, Blue
C ) Red, Green, Blue ✅
D ) Red, Green, Violet

10 - Which of the following is largest ecosystem in the world?

A ) Forest
B ) River
C ) Ocean ✅
D ) Land

11 - An element which is present in more than one physical form in nature?

A ) Allotropy ✅
B ) Pleiotropy
C ) Heterotropy
D ) None of these

12 - Which of the following element is not essential for plant?

A ) Calcium ✅
B ) Phosphuros
C ) Potassium
D ) Nitrogen

13 - Which plant growth over another plants is called?

A ) Epiphyte ✅
B ) Hydrophyte
C ) Xerophyte
D ) None of these

14 - Which part of a plant produces pollen grain in a flower?

A ) Carpel
B ) Anther ✅
C ) Ovary
D ) Ovule

16 - A bettery converts chemical energy into?

A ) Mechanical energy
B ) Thermal energy
C ) Light energy
D ) Electrical energy ✅

17 - A deficiency of vitamin A causes?

A ) Rickets
B ) Beriberi
C ) Night blindness ✅
D ) All of these

20 - Which gas is 80% more potent than carbon dioxide?

A ) Hydrogen
B ) Oxygen
C ) Methane ✅
D ) Nitrous oxide

21 - The volume of blood pumped out of the heart is known as _______ .

A ) Blood volume
B ) Stroke volume ✅
C ) Pumped volume
D ) Pushed volume

22 - Salinity measured in parts per ______ .

A ) Thousands ✅
B ) Hundreds
C ) Millions
D ) None of these

23 - Animal without a vertebrate column in it?

A ) Shark
B ) Wale
C ) Seashore
D ) Starfish ✅

24 - Tomato belongs to which part of the plant?

A ) Stem
B ) Root
C ) Fruit ✅
D ) Leave

25 - Baking soda is also known as _______ .

A ) Sodium carbonate
B ) Sodium bicarbonate ✅
C ) Soda ash
D ) Caustic soda

26 - How many neutrons in hydrogen atom?

A ) One
B ) Zero ✅
C ) Three
D ) Two

27 - Law of electromagnetic induction was proposed by?

A ) Albert Einstein
B ) Nikola Tesla
C ) James Clerk Maxwell
D ) Michael Faraday ✅

28 - Which is the 1st element in the periodic table?

A ) Hydrogen ✅
B ) Lithium
C ) Beryllium
D ) Helium

29 - The gases used in different types of welding include?

A ) Nitrogen & hydrogen
B ) Helium & Argone oxygen
C ) Acetylene & carbon ✅
D ) Dioxide & Methane

30 - Optical fiber works on the principle of?

A ) Diffraction
B ) Dispersion
C ) Polarization
D ) Total internal reflection ✅