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- Question
Pyorrhoea is a disease of the
Options- A. nose
- B. gums
- C. heart
- D. lungs
- Correct Answer
- gums
ExplanationPyorrhoea, or periodontal disease, to give it a proper medical term, is a disease of the gums, it is one of the most widely prevalent diseases. It affects the membrane surrounding the roots of the teeth and leads to loosening of the teeth, pus formation, and shrinkage of the gum. This disease is the primary cause for tooth loss among adults. - 1. out of proteins, lipids and carbohydrates present in a cell membrane, what is true?
Options- A. Lipids are maximum
- B. Carbohydrates are minimum
- C. Carbohydrates are maximum
- D. All three are in equal proportion Discuss
- 2. Pollination by wind is called
Options- A. anemophily
- B. hydrophily
- C. zoophily
- D. entomophily Discuss
- 3. Most abundant tissues of our body are
Options- A. muscular
- B. connective
- C. epithelial
- D. nervous Discuss
- 4. On which of the following plants did Gregor Mendal perform his classical experiment?
Options- A. Gram
- B. Maize
- C. Pea
- D. Wheat Discuss
- 5. Pine, fir, spruce, cedar, larch and cypress are the famous timber-yielding plants of which several also occur widely in the hilly regions of India. All these belong to
Options- A. angiosperms
- B. gymnosperms
- C. monocotyledons
- D. dicotyledons Discuss
- 6. Plant development is influenced by
Options- A. quality of light only
- B. quality and quantity of light
- C. quality and duration of light
- D. quality, quantity and duration of light Discuss
- 7. Ordinary table salt is sodium chloride. What is baking soda?
Options- A. Potassium chloride
- B. Potassium carbonate
- C. Potassium hydroxide
- D. Sodium bicarbonate Discuss
- 8. Osmosis is the flow of solution from higher concentration to a solution of lower concentration through a semi permeable membrane. What is incorrect in this statement?
Options- A. Exact concentration of solution is not given
- B. Character of semi permeable membrane is not given
- C. The flow of solution is not possible through semi permeable membrane
- D. All are incorrect Discuss
- 9. Pulses are a good source of
Options- A. carbohydrates
- B. fats
- C. proteins
- D. vitamins Discuss
- 10. Normal adult human male has
Options- A. 10 gram of haemoglobin/100 gram of blood
- B. 14 gram of haemoglobin/100 gram of blood
- C. 18 gram of haemoglobin/100 gram of blood
- D. 24 gram of haemoglobin/100 gram of blood Discuss
Biology problems
Search Results
Correct Answer: Carbohydrates are minimum
Correct Answer: anemophily
Correct Answer: connective
Correct Answer: Pea
Correct Answer: gymnosperms
Correct Answer: quality, quantity and duration of light
Correct Answer: Sodium bicarbonate
Correct Answer: The flow of solution is not possible through semi permeable membrane
Correct Answer: proteins
Correct Answer: 14 gram of haemoglobin/100 gram of blood
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