Related InterviewSolutions

• In evolution of horse, two most important anatomical and morphological changes brought about areA. Limbs and tailB. Limbs and teethC. Teeth and tailD. Limbs and height
• Which oen is a correct match (i) Coenozoic : 2 `-` 65 mya : Origin of vertebrates (ii) Palaezoic : 500 `-` 165 mya : Rise of egg laying mammals (iii) Mesozoic : 135 `-` 225 mya : Reptiles dominant (iv) Proterozoic : 350 `-` 500 mya : Trilobites dominantA. iB. iiC. iiiD. iv.
• Given below are assertion and reason. Point out if both are true with reason being correct explanation (A), both true but reason is not correct explanation (B), assertion true but reason is wrong ( C ), both are wrong (D). Assertion : Analogous organs are a result of divergent evolutionReason : Eye of Octopus and that of mammals depict divergent evolution.A. (A)B. (B)C. ( C )D. (D)
• Which of the following structures is homologus to the wing of a bird?A. Flipper of whaleB. Dorsal fin of sharkC. Wing of a mothD. Hind limb of rabbit.
• Development of similar habits in pouched and placental mammals found in similar habitals is calledA. divergent evolutionB. convergent evolutionC. adaptive radiationD. macroevolution
• Pouched mammals attained diversity inA. AsiaB. South AmericaC. AustraliaD. South Africa
• Which animal has become extinct recently ?A. DracoB. DinosaurC. MammothD. Pteridosperms
• One of the following has rather recently become extinct.A. DinosaurB. Dodo fishC. MammothD. Pterodactyl
• In horse , there has been an adaptartion of reduction of toes from five to one on each foot, which is long and covered by a hoof. This toe isA. FirstB. SecondC. FourthD. Third
• Fossilisation occurs ,whereA. organisms are buried and preserved by natural processesB. animals are destroyed by environmentC. animals are destroyed by scavengersD. animals are buried by natural processes