Growth: Phases and Types Practice Questions
20 free Growth: Phases and Types practice questions for the NCERT Biology, 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 Growth: Phases and Types questions
- Q1. Plant growth is unique because plants retain the capacity for unlimited growth throughout their life. This ability is due to the presence of:
- Q2. The increase in the length of the plant axis along the longitudinal plane is primarily termed as:
- Q3. Which of the following meristems appear later in the life of dicotyledonous plants and gymnosperms to increase the girth of the organs?
- Q4. Which phase of growth is characterized by cells having dense protoplasm, large conspicuous nuclei, and thin cellulosic primary cell walls?
- Q5. Increased vacuolation and new cell wall deposition are hallmark features of which zone of growth?
- Q6. In arithmetic growth, if we plot the length of the organ against time, what kind of curve is obtained?
- Q7. Which of the following mathematical expressions correctly represents geometric growth?
- Q8. A sigmoid curve is a characteristic of which of the following?
- Q9. In the equation W1 = W0 e^rt, the parameter 'r' is known as:
- Q10. If a leaf grows from 5 cm² to 10 cm² in one day, and another leaf grows from 50 cm² to 55 cm² in the same time, what can be said about their growth?
- Q11. The measurement and comparison of total growth per unit time is called:
- Q12. Which of the following is NOT an essential requirement for plant growth?
- Q13. Water is essential for plant growth primarily because it:
- Q14. What happens to the daughter cells in arithmetic growth following mitotic division?
- Q15. The log phase in a geometric growth curve is characterized by:
- Q16. Which parameter is typically used to measure the growth of a single maize root apical meristem cell?
- Q17. Growth of a pollen tube is best measured in terms of its:
- Q18. Secondary growth is absent in which of the following plant groups?
- Q19. Environmental signals like light and gravity affect which stage of growth?
- Q20. The phase of maturation is located: