all mammals, whale, dolphin, bat, monkey and horse have some common trait, but they also show conspicuous differences. This is due to the phenomenon of

Related MCQs

• What is true for the given statements ? Statement X : Birds and Mammals obtain greater body size in cold region than in warm regions. Statement Y : Birds and Mammals are Homeothermic (warm blooded)animals. Statement Z : Reptiles are smaller in cold region.
• Give correct option for the given true and false statements (i) Some insects, birds and mammals living in warm and dry climate have more darker black pigments than the races of same species living in cold and humid climate. (ii) Tempreture variation is much lesser in aquatic habitat compared to terrestrial habitat (iii) In deep fresh water lakes, there is gradual incrase in tempreture from surface to the bottem (iv) In an aquatic habitat production increases with insing depth. (T =True, F = False)
• Which is the correct option for the given table ?write ‘T’ if the given ecample is correct and ‘F’ for wrong example Information Example Breed only once Bamboo Breeds many time Birds like pigeon, Mammals Small sized but many offsprings Pray Birds less in number but big size offsprings Only deep marine shishes
• A. All the finches on the Galapagos Islands descended from common ancestor. R. They show variations only in their beaks as they got adapted to different feeding habits.
• Match the correct set Column – I Column – II A. Old world monkeys 1. Tree shrews, the ancestors of primates B. New world monkeys 2. Wide nistrils and prehensile tail C. Prosimians 3. Narrow nostrils and non prehensile tail D. Simians 4. Monkey and apes A B C D A B C D
• In mitosis the daughter cells resemble to their parent cell. But in meiosis they differ not only from parent cell in having half the number of chromosomes, but also differ among themselves qualitatively in genetic constitution due to.....
• What is the relationship between the wing of a bird and the wing of a bat?
• Which one of the following terms would most correctly describe the relationship between the flight organs of animals like locust, bat, swallow, and flying fish ?
• . A man and a woman, who do not show any apparent signs of a certain inherited disease, have Seven Children (2 daughters and 5 sons). Three of the Sons suffer from the given disease but none of the daughters affected. Which of the following mode of inheritance do you suggest for this disease? AIPMT - 2005
• In mammals the opening of post canal in the right auricle is guarded by