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Quiz 1
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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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