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- Question
Banana freckle is a plant disease. It is caused by a
Options- A. Virus
- B. Insect
- C. Fungus
- D. Bacteria
- Correct Answer
- Fungus
- 1. Which of the following is a symptom of haemophilia?
Options- A. Night Blindness
- B. No clotting of Blood
- C. Rickets
- D. Loss of haemoglobin Discuss
- 2. Bacterial decomposition of biological material under anaerobic condition is
Options- A. fermentation
- B. fertilization
- C. contamination
- D. composting Discuss
- 3. Crabs belongs to the phylum
Options- A. Mollusca
- B. Cnidaria
- C. Arthropoda
- D. Platyhelminthes Discuss
- 4. The virus of AIDS affects the growth of_____________
Options- A. Haemoglobin
- B. RBCs in blood
- C. T cells in blood
- D. Grey cells in brain Discuss
- 5. Honey that has high concentration of sugar does not decay because
Options- A. Bacteria cannot survive in an active state as it is totally deprived of oxygen
- B. It contains natural antioxidant that prevents bacterial attack
- C. Bacteria cannot survive in an active state in a solution of high osmotic strength as water is drawn out
- D. None of these Discuss
- 6. The sexual reproductive organs of aspergillus are :
Options- A. Spermatium and Oogonium
- B. Antheridium and Oogonium
- C. Spermatium and Ascogonium
- D. Antheridium and Ascogonium Discuss
- 7. Which one of the following weeds is effective in controlling water pollution caused by industrial effluents?
Options- A. Parthenium
- B. Elephant grass
- C. Water hycinth
- D. Mogar grass Discuss
- 8. Which of the following is responsible for transport of food and other substances in plants?
Options- A. Xylem
- B. Phloem
- C. Chloroplast
- D. None of these Discuss
- 9. Who discovered Nitrogen?
Options- A. Faraday
- B. Heisenberg
- C. Hooke
- D. Rutherford Discuss
- 10. Carcinogenic chemicals cause
Options- A. Heart diseases
- B. Diabetes
- C. Cancer
- D. Asthma Discuss
Biology problems
Search Results
Correct Answer: No clotting of Blood
Correct Answer: fermentation
Correct Answer: Arthropoda
Correct Answer: T cells in blood
Correct Answer: Bacteria cannot survive in an active state in a solution of high osmotic strength as water is drawn out
Correct Answer: Antheridium and Ascogonium
Correct Answer: Parthenium
Correct Answer: Phloem
Correct Answer: Rutherford
Correct Answer: Cancer
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