Plants and Trees
What gas do plants take from the air?
carbon dioxide
What do fish use to breathe under water?
gills
What organ pumps blood in our body?
heart
Where is our genetic information stored?
DNA / the nucleus
What pigment gives leaves their green colour?
chlorophyll
What is the biggest mammal in the world?
blue whale
What part of the body connects bones together?
joints / ligaments
What do we call a group of cells that work together to do the same job?
tissue
What is the main sugar produced during photosynthesis?
glucose
What is the main difference between amphibians and reptiles?
amphibians live both in water and on land, reptiles live only on land
What is the function of red blood cells?
carry oxygen through the body
What organelle is known as the “powerhouse” of the cell?
mitochondrion (or mitochondria)
What hormone in plants controls growth towards light?
auxin
What is the name of the light-sensitive cells in the retina?
rods and cones
What is the main difference between the somatic and autonomic nervous systems?
the somatic system controls voluntary movements, the autonomic system controls involuntary functions
Who discovered the double-helix structure of DNA?
James Watson and Francis Crick
What is the name of the process by which plants transport sugars from leaves to other parts of the plant?
translocation
What is the function of the myelin sheath in the nervous system?
insulate axons and speed up nerve signal transmission
Which gland produces saliva that helps in digestion and protects teeth from decay?
parotid gland (also submandibular or sublingual glands)
What type of RNA carries amino acids to the ribosome?
transfer RNA (tRNA)