Which of the following is a respiratory disease?
Polio
Arthritis
Asthma
Cancer
C.
Asthma
Disease | Related to |
Polio | Nervous system |
Asthma | Respiratory system |
Arthritis | Joints |
Cancer | Blood, epithelial tissue (eg, skin cancer) bones, lymphnode |
Which is common between earthworm, leech and centipede?
They have Malphigian tubules
They are hermaphrodite
They have ventral nerve cord
None of the above
Eustachian canal connects
middle ear with external ear
middle ear with internal ear
external ear with internal ear
pharynx with middle ear
Bacteria are considered plant because they
are green in colour
have rigid cell wall
have chlorophyll
have stomata