Blood platelets are found in

A. all vertebrates

B. all chordates

C. mammals only

D. birds and mammals

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  1. The dinosaurs (terrible lizards) became very successful during
  2. Haemoglobin is dissolved in the plasma of
  3. Who considered evolution as due to mutation?
  4. Which one of the following was probably absent in the atmosphere at the time of origin of life?
  5. In a gamete there will be
  6. Organisms which synthesise their own food are called
  7. One of the following is called a feminine hormone. Which one is it?
  8. What is 'atavism'?
  9. Blood plasma from which fibrinogen is removed is known as
  10. Consumption of potassium cyanide leads to total stoppage of cellular activity in the human body, as…
  11. What ia leukaemia?
  12. Memory is the responsibility of
  13. The plant hormone which promotes ripening of fruits is
  14. Life begets life' or biogenesis was stated by
  15. Oxygen transport is a function of
  16. The hormone which is Popularly called as stress hormone is
  17. The grouping o( blood is based on substances called
  18. Late blight of potato is caused by
  19. Deciduous forests are those with trees
  20. The blood clotting requires the vitamin
  21. Egg laying animals are referred to as
  22. The enzyme that is necessary to bring about clotting of blood is
  23. Modern classification of the living world recognise ___________ kingdoms.
  24. pH of blood remains constant due to
  25. The science of improving the hereditary qualities of future generations of mankind is referred to as
  26. Which of the following diseases is caused by the deficiency of iron in human body?
  27. The life cycle of Malarial Parasite consists of two phases in man. Where do they occur?
  28. Scurvy is a disease caused by the deficiency of vitamin.
  29. Insect pollination is known as
  30. The drug Ergot is obtained from