Human body
What is the largest organ in the human body
Skin
What is the name of the gas that plants absorb from the air
Carbon dioxide
What is the name of the smallest particle of an element
Atom
What are the three layers of the Earth
Crust, mantle and core
What is the process by which plants make their food?
(A) Respiration
(B) Photosynthesis
(C) Digestion
(D) Excretion
Photosynthesis
What is the name of the blood cells that carry oxygen
Red blood cells
What is the process by which plants make their own food
Photosynthesis
What is the chemical symbol for water
H2O
Which two planets have no moons
Mercury and Venus
(A) Fight infections
(B) Carry oxygen
(C) Clot blood
(D) Produce antibodies
Carry Oxygen
What is the name of the liquid part of blood
Plasma
What is the name of the process by which plants reproduce
Pollination
What is the name of the chemical compound of hydrogen and oxygen
water
What planet is closest in size to Earth
Venus
Plague is caused by
a) Virus
b) Fungi
c) Bacteria
d) Protozoa
Bacteria
What is the name of the system that transports blood around the body
Circulatory system
What is the name of the process by which plants release water vapor
Transpiration
What is the name of the process where two or more substances combine to form a new substance
chemical reaction
What is the hottest planet in our solar system
Venus
Heart attack is caused due to
a) High sugar levels
b) Cholesterol
c) Low hemoglobin
d) Deficiency of calcium
Cholesterol
What is the name of the muscle that controls breathing
Diaphragm
What is the name of the pigment that gives plants their green color
chlorophyll
What is the chemical symbol for gold
AU
What color is the sunset on Mars
Blue
Which of the following organisms breathes from skin?
a) Frog
b) Earthworm
c) Fish
d) Snail
Earthworm