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

Give answer either "Yes" or "No": Fish have four chambered heart.

Give answer either "Yes" or "No": Analogous organs are evolving due to convergent evolution.

Give answer either "Yes" or "No": The examples of homologous organ are wings of birds and insects.

Give answer either "Yes" or "No": Crocodile have two chambered heart being reptiles

Give answer either "Yes" or "No": Wings of bird, Flipper of whale, phalanges in human are example of analogous organs.

Give answer either "Yes" or "No": Theory of Natural Selection is discussed by Darwin in detail in his book entitled, Origin of Species.

Give answer either "Yes" or "No": The embroyos of fish, salamander, tortiose, chick, rabbit and man contain propminent tail like structure.

Which one of the following options gives one correct example each of convergent evolution and divergent evolution ? Convergent evolution -Divergent evolution (a) Eyes of Octopus and mammals - Bones of forelimbs of vertebrates (b) Thorns of Bougainvillea and tendrils of Cucurbita - Wings of butterflies and birds (c) Bones of forelimbs of vertebrates -Wings of butterfly and birds (d) Thorns of Bougainvillea and tendrils of Cucurbita - Eyes of Octopus and mammals

Which of the following during respiration obtain water dissolved oxygen by diffusion through their body surface (a) Cnidarians (b) Fishes (c) Amphibians (d) Reptiles

The reaction at the anode and the cathode during the electrolysis of a concentrated aqueous solution of NaCl in presence of inert electrodes are : "Anode: "2Cl^(-)(aq)rarr Cl_(2)(g)+2e , E_("Red")^(@)=+1.36V "Cathode : "2H_(2)O(l)+2e rarr H_(2)(g)+2OH^(-)(aq)' E_("Red")^(@)=-0.83V. Cell reaction : 2Cl^(-)(aq)+2H_(2)O(l)rarr H_(2)+Cl_(2)+2OH^(-)(aq) . Which of the following statement is correct -