02/06/2024
Q1:Major part of an atom is_______?
a)filled
b)charger
c)empty ✅
d) covered
Q2:"O3 "is a chemical formula of_____?
a) oxygen
b)oxide
c)ozone ✅
d)acid rain
Q'3:Rocks are made up of______?
a)soil
b)core
c)mantile
d)crust ✅
Q4: The process of digestion starts in_____?
a) stomach
b)mouth ✅
c)oeaopagus
d) pancreas
Q5:forces cancel each other's effect if their size is______?
a)same
b)equal ✅
c)unequal
d)all of them
Q6:plants------->caterpillar _____>birds is an example of ?
a)food web
b)food cycle
c) ecosystem
d)food chain ✅
Q7:Alloys are impure and they make elements more _____?
a)hard
b)soft ✅
c) strong
d)all of the above
Q8:breakdown or formation of compounds involves ______?
a) heating
b)passing electricity
c) chemical reaction
d)all of the above ✅
Q9: oxygen is taken from _____?
a)heart to lings
b)cell to lungs
c) lungs to cell ✅
d)cell to heart
Q10: The army of the human body cells are_____?
a)white blood cells ✅
b)red blood cells
Q11: beating of the pulse is due to?
a)energy ✅
b)flow of blood
c)flow of water
d)oxygen
Q12:process in which gases move in and out of the plant is called_____?
a) translocation
b) diffusion ✅
c) osmosis
Q13:number of chemicals found in ci******es is_____?
a)150
b)200
c)250
d)300 ✅
Q14:help your body to fight against diseases and keep you healthy _____?
a) calcium
b)vitamins
c) carbohydrates
d) proteins ✅
Q15:it is main source of quick energy for your body?
a)proteins
b) vitamins
c) calcium
d) carbohydrates ✅
Q16:which senses of our body are closely related?
a)smell and taste ✅
b)seeing and touch
c)taste and hearing
d)touch and smell
Q17:how many taste buds are there on the human tongue?
a)100
b)1000
c)10000 ✅
d)100000
Q18: which sense also functions as a sense of organ for temperature?
a)nose
b) tongue ✅
c)ear
d)eye
Q19:which of the following things look like Buble in structure ?
a)Cell membrane
b) cytoplasm
c) nucleus
d)vacuole ✅
Q20:cell look like in jelly in structure?
a) cytoplasm ✅
b)cell membrane
c)vacuole
d)nucleus
Q21:which of these is not a plant?
a)grass
b)fungi ✅
c) moss
d) fern
Q22:water v***r is less dense than____?
a)air ✅
b) temprature
c)dust
d)space
Q23:how many neurons make a human brain?
a)10 millions
b)50 millions
c)100 millions ✅
d)150 millions
Q24:main source of energy for a food chain is?
a)soil
b)sun ✅
c) fertilizer
d)producers.
Q25:white light is a mixture of ____?
a) four colors
b)five colors
c)seven colors ✅
d)nine colors
Q26:lens in a human eye is____?
a) biconvex ✅
b) biconcave
c) convex
d) concave
Q27:heart is also called?
a) pumping machne
b) pumping device
c) muscular pump ✅
Q28:light that is refracted most?
a)red
b)blue
c) green
d)violet ✅
Q29: organisms made of many cells?
a) unicellular
b) cellular
c) multicellular ✅
Q30:Organisms made up of one cell?
a) unicellular
b) multicellular
c)fronds ✅
