__________ is the largest fin which help in ___________ in fishes.
Tail, act as brakes
Tail, changing directions
Pectoral, act as brakes
Pectoral, changing directions.
_______ protects soft organs like heart and brain
Cranium
Rib cage
Pectoral girdle
Pelvic girdle
The locomotary structures in paramecium
Pseudopodia
Cilia
Flagellum
Muscles
Organs of plants like shoot grows towards light. This is called ____________
Thigmotropism
Hydrotropism
Phototropism
Geotropism
Match the correct answer
1-A, 2-C, 3-D, 4- B
1- B, 2-D, 3- C, 4-A
1-D, 2-A, 3-B, 4-C
1-C, 2-D, 3-B, 4-A
Movement in human beings is brought about by the coordination of __________ and ______ system.1. Skeletal 2. Muscular 3 . Cardiac 4. Smooth
1 and 4
1 and 3
3 and 4
1 and 2
All mammals except _________ and _________ use 4 limbs for locomotion.
Lions and apes
Apes and Kangaroo
Human and apes
Kangaroo and human
There are......... number of bones in an adult
205
206
207
208
When the circular muscles contract the body gets _________ and ____________
Thicker and shorter
Thinner and narrow
Thicker and narrow
Thinner and shorter
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
