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- Question
What is the role of Pneumatophores?
Options- A. Protect plant from animals
- B. Get oxygen for respiration
- C. Supports plant in standing upright
- D. Helps plant for pollination
- Correct Answer
- Get oxygen for respiration
- 1. Which among the following is also called as 'power house of the cell'?
Options- A. Plastids
- B. Mitochondria
- C. Golgi bodies
- D. Cell wall Discuss
- 2. Which among the following does not have a cell wall?
Options- A. Euglena
- B. Paramecium
- C. Gonyaulax
- D. Mycoplasma Discuss
- 3. Which of the following disease is non-communicable in nature?
Options- A. Cholera
- B. Chicken-pox
- C. Tuberculosis
- D. Cancer Discuss
- 4. Which of the following is responsible for giving colour to human skin?
Options- A. Luciferin
- B. Haemoglobin
- C. Flavonoids
- D. Melanin Discuss
- 5. The plant growth regulators are small, simple molecules of diverse chemical composition. They are
Options- A. carbohydrates, fats and proteins
- B. indole compounds, adenine derivatives, carotenoids and terpenes
- C. fatty acids, glucose and vitamins
- D. vitamin C, vitamin D and glucose Discuss
- 6. How many pairs of ribs are there in human body?
Options- A. 10
- B. 11
- C. 12
- D. 13 Discuss
- 7. How does a Unicellular Organism reproduce?
Options- A. Cell division
- B. Cell reproduction
- C. Cell synthesis
- D. Fragmentation Discuss
- 8. What is the full form of DNA?
Options- A. Diribo nucleic acid
- B. Di nucleic acid
- C. Dual nitrogen acid
- D. Deoxyribonucleic acid Discuss
- 9. The right portion of human heart receives ______ blood.
Options- A. pure
- B. impure
- C. mixed
- D. none Discuss
- 10. Which of the following is the largest gland in human body?
Options- A. Thyroid
- B. Liver
- C. Kidney
- D. Pancreas Discuss
Biology problems
Search Results
Correct Answer: Mitochondria
Correct Answer: Mycoplasma
Correct Answer: Cancer
Correct Answer: Melanin
Correct Answer: indole compounds, adenine derivatives, carotenoids and terpenes
Explanation:
The plant growth regulators are small, simple molecules of diversechemical composition. They can be in form of indole compounds, adenine derivatives, carotenoids derivatives,terpenes or gases like ethyleneetc.The plant growth regulators are bifurcated into two groups according to their functions in a living plant body.First group of plant growth regulators are found in growth activities, for instance, cell division, flowering, fruiting and seed formation.The second group of Plant growth regulators are involved in plant responses to wounds and stresses of biotic and abiotic origin.
Correct Answer: 12
Correct Answer: Cell division
Correct Answer: Deoxyribonucleic acid
Correct Answer: impure
Correct Answer: Liver
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