Which element in chillies causes burning sensations?

A. Capsaicin

B. Cyanogen

C. Ammonia

D. Capsicum

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  4. Colour vision is made possible by the cells in the retina called
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  16. Vitamin D is known as anti-rachitic vitamin because it cures the deficiency disease called
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  18. Man is warm-blooded, frog is cold-blooded, Which one of the following is cold-blooded?
  19. What ia leukaemia?
  20. The acid that is secreted in the stomach is
  21. Organisms that depend only on raw plant products are said to be
  22. Genes are arranged in chromosomes
  23. The organ that produces antibodies in our body is
  24. Diabetes is a disease which is
  25. Whooping cough is caused by
  26. Scrub jungle Is characterised by
  27. Which among, the following is a solid lubricant?
  28. The artificial kidney is a
  29. The two minerals required to keep teeth and bones intact and in good condition are
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