Facts

 #Bird's Eye View:

1. Largest Cell : Cell 2. Small Cell : PPLO (Pleuro Pneumonia Like Organism) also called Mycoplasm 3. Longest animal cell : Neurone (90-110 cm long) 4. Longest plant cell : Fiber of Boechmeria Nivea (55 cm) 5. Powerhouse of cell : Mitochondrion (plural of Mitochondria) 6. Suicidal bag of Cell : Lysosome 7. Protein Factory of Cell : Ribosome 8. Kitchen cell : Chloroplast 9. Bird only found in Nepal : Spiny Babbler 10. National Bird of Nepal : Lophoporous 11. National Flower of Nepal : Rhododendron 12. Chemical Messenger : Hormone 13. Biological Catalyst : Enzyme 14. Energy currency of a cell : ATP (Adenosine Tri Posphate) 15. Heredity vehicle : DNA (Dioxy ribonucleic Acid) 16. Largest Cell structure : Nucleus 17. Largest Cell organelles : Chloroplast (in plants) and Mitochondrion (in Animals) 18. Smallest Cell organelle : Ribosome 19. Universal Cell Organelle : Nucleus 20. Largest Animal Phylum : Arthropoda 21. Largest Animal Class : Insecta (Hexapoda) 22. Largest Plant Group : Angiosperm 23. Amphibian Plant : Bryophytes 24. Botanical Snake : Pteridophytes 25. Vascular Cryptogams : Pteridophytes 26. Bones and Muscles are connected by :Tendon 27. Bone and Bone are connected by : Ligaments 28. Heat insulating animal tissue : Adipose 29. Hardest part of vertebrates :Enamel on Teeth 30. Largest Gland in Body : Liver 31. Largest endocrine gland : Thyroid gland 32. Largest Bone : Femur 33. Smallest Bone : Stapes (in ear) 34. Largest Cartilage : Pinna 35. Largest Organ : Skin 36. Largest body Cavity : Abdominal Cavity 37. Largest blood Cell : Leukocytes (LUBC) 38. Universal receiver Blood group : AB 39. Universal donor Blood Group : O 40. Transfer of pollen grain from anther to stigma is called Pollination. 41. Some cold blooded animals (Poikilothermic animal) undergoes in inactive period at very low and high temperature sleep is called hibernation while summer sleep is called aestivation. 42. Warm blooded animals (Homoiothermic animals); Body temperature remains constant. They include aves and mammals. 43. RBCs of mammals like camel and llama have nucleus. 44. Excessive formation of WBC causes Blood Cancer. 45. Oviparous Mammals: Duck billed, Platypus and Spiny ant cater 46. Food Chain is start with producers. 47. Source of energy in ecosystem is Sun. 48. Global warming is caused by CO2 gas. 49. Ozone layer depletion is caused by CFC (Chloro-Fluro-Carbon). 50. Vermiform appendix is functional in herbivorous animals like cow and Buffalo. It helps to digest cellulose. 51. Some vestigial organs of man: Wisdom teeth (canine teeth, pinna etc). 52. Virus is considered as a biological puzzle. 53. Connecting link between plant and animal are euglena. 54. Water canal system is well developed in Porifera. 55. Water vascular system is well developed in Echinoderms. 56. Homologus organs: Organs having similar structure and origin but mostly having dissimilar function. For example hands of man, fore limbs of horse, wings of bat etc. 57. Analogous organs : Organs having similar function of dissimilar structure. For example: wings of birds, wings of insects. 58. Blood of earthworm is red, molluscans blue and Arthopodas white in color. 59. First established national park is Chitwan National Park. 60. Smallest National Park is Rara National Park. 61. Sagarmatha National Park is World Heritage National Park