Q.1
Which of the following is not the characteristics of the cells of the phase of elongation?
  • a) Increased vacuolation
  • b) Cell enlargement
  • c) Plasmodesmatal connections
  • d) Cell wall deposition
Q.2
Which zone lies next to the phase of elongation?
  • a) Phase of maturation
  • b) Meristematic zone
  • c) Zone of enlargement
  • d) Root cap
Q.3
Which of the following is a characteristic of the cells of the maturation zone?
  • a) Thin-walled
  • b) Thick-walled
  • c) Enlarged cells
  • d) Plasmodesmatal connections
Q.4
What is the growth rate?
  • a) Increased growth per unit distance
  • b) Decreased growth per unit distance
  • c) Increased growth per unit time
  • d) Intermediate growth between time and distance
Q.5
The growth rate is generally of how many types?
  • a) One
  • b) Two
  • c) Four
  • d) Five
Q.6
Root elongating at a constant rate is an example of arithmetic growth.
  • a) True
  • b) False
Q.7
How many phases are generally there is a geometric growth curve?
  • a) One
  • b) Two
  • c) Three
  • d) Four
Q.8
Which of the following curves is a characteristic of all living organisms?
  • a) Hyperbola
  • b) Straight line
  • c) Linear curve
  • d) Sigmoid curve
Q.9
In how many ways the quantitative comparison between the growth of the living system can be made?
  • a) Two
  • b) Three
  • c) Four
  • d) Five
Q.10
What is meant by the absolute growth rate?
  • a) Measurement of total growth
  • b) Comparison of total growth
  • c) Measurement and comparison of total growth per unit time
  • d) Measurement and comparison of total growth
Q.11
Which of the following is not an essential element for the growth of the plant?
  • a) Water
  • b) Oxygen
  • c) Nutrients
  • d) Carbon-dioxide
Q.12
Turgidity of cells helps in extension growth.
  • a) True
  • b) False
Q.13
Which of the following provides medium for enzymatic activities of the plant?
  • a) Oxygen
  • b) Soil
  • c) Nutrients
  • d) Water
Q.14
Which of the following is essential for the growth of the plants?
  • a) Optimum Temperature
  • b) Very high temperature
  • c) Very humid atmosphere
  • d) Very low temperature
Q.15
What is differentiation?
  • a) When cells only differentiate
  • b) When cells differentiate and mature to perform specific functions
  • c) When cells divide
  • d) When cells mature and die
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