Organs of plants like shoot grows towards light. This is called ____________
Thigmotropism
Hydrotropism
Phototropism
Geotropism
__________ is the largest fin which help in ___________ in fishes.
Tail, act as brakes
Tail, changing directions
Pectoral, act as brakes
Pectoral, changing directions.
There are......... number of bones in an adult
205
206
207
208
_________ is adapted to fast running and ______ to fast swimming.
Ostrich, emu
Ostrich, Penguin
Emu, Kiwi
Penguin, Ostrich
A bone is very hard due to the presence of the components like
Chlorine and iodine
Calcium and phosphorus
Boron and silica
Iron and sulphur
Each cilium of paramecium becomes curved while moving and generates a _______ force that moves the body of it.
Circular
Forward
Backward
Side word
The ________ of birds are modified into wings.
Chest
Muscles
Fore limbs
Thorax
Pseudopodia is also known as
Flagellum
False feet
Cilia
False body
Amoeba is a ________ ___________ found in water
Unicellular plant
Multicellular animal
Unicellular animal
Multicellular plant
Select out the incorrect statement
Flightless birds evolved from birds that could fly
Flightless birds could safely move on land as there were no predators
Flightless birds have very strong muscles
Most flightless birds are fast runners
