Topic-4
Biology
1. Which bird is the smallest bird in the world ?- Hummingbird
2. Which zoo is the largest zoo in India ?- Alipur ( Kolkata)
3. Which zoo is the largest zoo in the world ?- Cruiser National Park in South Africa
4. What are the features of the class Mammalia ?
· These are warm blooded.
· Tooth comes twice in these animals. (diphyodont )
· There is nucleus in their red blood cells.
· Skin of mammals contains hair.
· External ear is present.
5. Name the three sub-classes of the class Mammalia :
· Prototheria – It lays eggs like Echidna and Platypus
· Metatheria- It bears the immature child like Kangaroo.
· Eutheria- It bears well developed child like Humans
6. Integumentary System deals with which part of body ?- Skin
7. Name the three major layers in the human tissue :
· Epidermis
· Dermis
· Hypodermis
8. What is the top layer of the human skin ?- Epidermis
9. What are the features of the epidermis ?
· The top layer of skin is made up of epithelial cells.
· It does not contain blood vessels.
10. Which layer of tissues provide elasticity to human skin ?- Dermis
11. Nails are the part of which layer of tissues ?-Epidermis
12. What are the constituents of nails that stiffens epidermis in their formation ?- Protein and Keratin
13. What are the major functions of Hypodermis ?
· Protection against invasion by infectious organism
· Protection of body from dehydration.
· Maintaining homeostasis.
· Act as receptor for touch , pressure , pain , heat and cold.
· Protect body against sun burns by secreting melanin.
· Generate Vitamin-D through exposure to ultraviolet light.
· Store water , fat , glucose and Vitamin-D
14. What are the four major elements of human body ?- Oxygen , Carbon , Hydrogen and Nitrogen
15. Name the macro nutrients of human body :- Calcium (Ca) , Phosphorus (P)and Potassium (K)
16. What are the micronutrients of human body :-Iodine(I) , Iron (Fe) , Zinc (Zn)
17. Which diseases are caused due to the deficiency of Calcium and Phosphorus ?-Tetany and Rickets
18. Name the few sources of Calcium – Milk , Cheese , Bread and Vegetables
19. Phosphorus play role in which function ?- Bone and tooth formation
20. The deficiency of Sulfur ( S) causes which disease ?-Disturbance of Protein Metabolism.
21. The deficiency of Potassium(K) causes which disease ?- Nervous Disorder and Poor Muscle leading to paralysis
22. The deficiency of Sodium(Na) causes which disease ?- pH (power of hydrogen) disturbance
23. Which disease is caused due to the deficiency of Cobalt (Co) , Iron, Copper & Zinc? –Anaemia
24. Which major constituent of blood is built by iron ?-Haemoglobin
25. Which disease is caused due to the deficiency of Fluorine (F) ? –Tooth Decay
26. Which disease is caused due to the deficiency of Zinc ?–Retarded Growth
27. Which disease is caused due to the deficiency of Copper(Cu) ?– Weak Blood Tissues and Connective Tissues
28. Which disease is caused due to the deficiency of Iodine (I)?– Goitre
29. Which disease is caused due to the deficiency of Manganese ( Mn) ?– Irregular growth of bones and connective tissues
30. How much water is there in the human body ?- 70% (Approx)
31. Two-third of the total water of human body exist in which part of the human body ?- Cells
32. One-third of the total water of human body exist in which part of the human body ? – Tissue fluid and blood plasma
33. What is the full form of ISI ? – Indian Standards Institution
34. What is the full form of Agmark ?- Agriculture Marketing
35. What is the full form of BIS ?- Bureau of Indian Standards
36. What is the major adulterant in Sugar ? – Saccharin
37. What is the major adulterant in Ghee ?- Vanaspati and Animal Fat
38. What is the major adulterant in Dhania Powder ?- Powdered Horse Dung
39. What is the major adulterant in Haldi Powder ?- Lead Chromate
40. What is the major adulterant in Edible Oils ?- Argemone Oils
41. What is the major adulterant in Black Pepper? – Papaya Seed
42. What are the major constituent of human digestive system ?- Alimentary Canal and Digestive Glands
43. What are the major constituents of human Alimentary Canal ?- Oesophagus , Stomach , Small Intestine and Large Intestine
44. What are the four major types of teeth ?
· Incisors
· Canines
· Premolars
· Molars
45. What is the function of Incisors ?- Cutting
46. What is the function of Canines ?- Tearing
47. What is the function of Premolars ?- Chewing
48. What is the function of Molars ?- Chewing and Grinding
49. What is the dental formula teeth ? – I-C-Pm-M
50. Which teeth are called cheek teeth ?- Premolar and Molars