Write "Yes" or "No"
Fishes change the direction by caudal fin which acts as rudder during swimming

In which direction does the buoyant force act?

In which direction diaphragm moves during inspiration ?

Which of the following statements are true// false A. In Torpedo the electric organs are capable of generating strong strong electric shock to paralyze the prey B. Bony fishes use pectoral, pelvic, dorsal, anal and caudal fins in swimming C. Amphibians skin is moist and has thick scales D. Birds are poikilothermous animals E. The most unique mammalian characteristic is the presence of milk producing mammary glands by which the young ones are nourished

Annelids which shows colour changes during movement

Which force acts on body during its free vibration?

Caudal fins is heterocercal in bony fish

Give answer either "Yes" or "No": The following origin of vertebrates during evolution: Fish rarr Amphibians rarr Reptiles rarr Birds(Aves) and Mammals

Write down the name and formula of an oxide of a transition metal which acts as a catalyst.

Which of the following reactions will get affected by increasing the pressure? Also, mention whether change will cause the reaction to go into forward or backward direction. (1) COCl_(2)(g)hArr CO(g)+Cl_(2)(g) (2) CH_(4)(g) +2S_(2)(g) hArr CS_(2)(g)+2H_(2)S(g) (3) CO_(2)(g)+C(s)hArr 2CO(g) (4) 2H_(2)(g)+CO(g)hArr CH_(3)OH(g) (5) CaCO_(3)(s)hArr CaO(s)+CO_(2)(g) (6) 4NH_(3)(g)+5O_(2)(g) hArr 4NO(g)+6H_(2)O(g) .