Plastids Practice Questions
20 free Plastids practice questions for the Botany, each with the correct answer and a detailed explanation. Open any question below, or take the full set as an interactive quiz.
Questions
20 questions
All Plastids questions
- Q1. Which type of plastid is specifically responsible for the synthesis and storage of starch grains?
- Q2. The internal membrane system of a chloroplast, consisting of flattened sacs, is known as:
- Q3. Which pigment is primarily found in chromoplasts and gives fruits like tomatoes their red color?
- Q4. Plastids that lack pigments and are primarily involved in the storage of lipids are called:
- Q5. In the absence of light, proplastids in seedlings develop into which specialized form?
- Q6. Which theory suggests that plastids originated from ancestral photosynthetic cyanobacteria through a symbiotic relationship?
- Q7. The colorless fluid matrix surrounding the thylakoid system where the Calvin Cycle occurs is the:
- Q8. Which molecule is the primary photosynthetic pigment found in the reaction centers of all green plant chloroplasts?
- Q9. Plastids are unique to which groups of organisms?
- Q10. What is the function of 'Statoliths' in the root cap of plants?
- Q11. During leaf senescence in autumn, chloroplasts transition into which type of plastid?
- Q12. Which of the following is true regarding plastid DNA (ptDNA)?
- Q13. The stack of thylakoids in a chloroplast is collectively called a:
- Q14. Which type of leucoplast is involved in the storage of proteins?
- Q15. What is the primary role of RuBisCO in the chloroplast?
- Q16. A 'Proplastid' is best described as:
- Q17. Which metal ion is found at the center of the porphyrin ring in a chlorophyll molecule?
- Q18. What happens to the number of plastids during cell division?
- Q19. Xanthophylls are a class of pigments that primarily provide which color?
- Q20. The region between the inner and outer membranes of a plastid is called the: