Which fins help fishes to move forward?
Unpaired fins
Tail fins
Paired fins
Side fins
Insects breath through .
Skin
Epidermis
Spiracles
Tentacles
The earth is surrounded by a layer of air called
Stratosphere
Ionosphere
Biosphere
Atmosphere
In human beings, the upper limbs are called:
Arms
Legs
The front limbs and the back limbs are respectively called as:
Fore limbs
Hind limbs only
Fore limbs and hind limbs
Cows and horses are herbivores .They have .
Canines
Weak molars
Weak pre-molars
Incisors
Fish take in:
Dissolved carbondioxide present in water
Dissolved oxygen present in water
Dissolved nitrogen present in water
The tail fin helps them to change .
Direction
Turning
Moving
None
A fish which migrates to the rivers to lay eggs
Carp
Catla
Atlantic salmon
none
Turtles have paddle shaped feet called .
Flippers
Forelimbs
Hindlimbs
