The formula for exponential population growth is :-
1. dt/dN = rN
2. dN/rN = dt
3. rN/dN = dt
4. dN/dt = rN
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyFind the correct mathematical expression for geometric growth resulting in a J-shaped population growth curve.
1.
2.
3.
4.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyExponential growth occurs when there is:
(1) Asexual reproduction only
(2) Sexual reproduction only
(3) No inhibition from crowding
(4) A fixed carrying capacity
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe innate potential to grow in number does not follow which of the following statements?
(1) Each species has this ability
(2) When resources are unlimited only then it is realized
(3) This is an ideal situation.
(4) Resource availability is not that essential for the unimpeded growth
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyIn a population growth rate curve the lag phase represents the period when a population is adjusting to a new environment.
II. In a population growth rate curve the steepest part of growth phase represents the period when a population is growing exponentially.
III. In the stationary phase of a population growth rate curve the population is in dynamic equilibrium
IV. Human have changed the carrying capacity of the earth.
(1) All are correct
(2) I, II, III
(3) II, III
(4) I, IV
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe equation of the exponential growth curve of the population has 'r’ that means which of the following statements?
1. Extrinsic rate of natural increase
2. An important parameter for assessing impacts of only biotic factors on population growth
3. For Norway rat, it values is 0.15
4. For flour beetle, it is 0.12
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe graph shows two types of population growth curve. A is exponential and B is logistic.
Which one of the following growth model considered as more realistic one?
1. Exponential growth curve
2. Logistic growth curve
3. Both the growth curves
4. None of the above
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyStudy the population growth curves shown in the above diagram.
Which option is the best for curve (i) and (ii)
Type of (i) curve | Type of (ii) curve | Status of food & space for curve (i) | Status & space for curve (i) | |
1. | Logistic curve | Exponential curve | Unlimited | Limited |
2. | Exponential curve | Logistic curve | Unlimited | Limited |
3. | Logistic curve | Exponential curve | Limited | Unlimited |
4. | Exponential curve | Logistic curve | Limited | Unlimited |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhich is correctly labelled with respect to the given diagram?
(1) B: Logistic curve
(2) C: Carrying capacity
(3) C: Exponential curve
(4) A: Carrying capacity
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyUnder normal circumstances which of the following affects population density most?
1. Nt
2. B
3. I
4. E
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology