Logistic Growth Graph

Q.

How are the J and S-shaped curves of population growth different from each other?

Q. In a human population at Hardy-Weinberg equilibrium, the recessive gene is homozygous in 64% of the population. What will be the frequency of heterozygotes in the population?

1. 23%
2. 32%
3. 96%
4. 64%

Q.

What is biotic potential?

Q. If the frequency of recessive allele in the population is 40%. Find the number of dominant individuals out of a population of 5000 individuals.

1. 3000
2. 4200
3. 3500
4. 2000

Q. If the frequency of a recessive allele is 0.4. What will be the frequency of heterozygote carriers in a population of 2000?

1. 960
2. 1000
3. 1960
4. 940

Q.

A population with natality equal to mortality is:

1. Increasing

2. Decreasing

3. Stable

4. Growing

Q.

What Is PPC in Economics?

Q. Presence of recessive trait is 16%. The frequency of dominant allele in population is -

Q. In a population, 36% consists of homozygous recessive genotypes (aa). Then the frequency of allele “a” will be

1. 0%
2. 20%
3. 60%
4. 70%

Q.

A population with equal number of births and deaths will show

1. Acceleration phase of growth

2. Plateau phase

3. Exponential growth phase

4. Initial phase of growth

Q.

When the number of immigration and births is more than emigration and deaths, the growth curve of the population will show

1. Lag phase

2. Exponential phase

3. Declining phase

4. Steady phase

Q. If the frequency of homozygous dominant genotype is 0.07 in a randomly mating population, what will be the frequency of the dominant allele?

1. 0.004
2. 0.19
3. 0.38
4. 0.26

Q. An autosomal recessive trait has a frequency of 1:1000. What will be the carrier frequency if the population is in Hardy-Weinberg equilibrium?

1. 0.58
2. 0.058
3. 0.005
4. 5.80

Q. Which one of the following is a population?

1. A spider and some trapped flies in its web
2. Earthworm that lives in a grassland along with other arthropods
3. All the plants in a forest
4. All the oak trees in a forest

Q.

Logistic growth results in a/an ______-shaped growth curve

1. S

2. Bell

3. J

4. U

Q.

A population at the carrying capacity will be in

1. Acceleration phase of growth

2. Plateau phase

3. Exponential growth phase

4. Initial phase of growth

Q. There is an irregular mating population. If the frequency of an autosomal recessive Lethal gene is 0.4 then the frequency of the carriers in a population of 200 individuals is.........
Whats the and & how?

Q.

In logistic growth the point at which the population size stabilizes and growth stops is:

1. K and carrying capacity

2. carrying capacity

3. N

4. K

Q. In a population of $6000$ individuals $2000$ belong to genotype $AA,3500$ to $Aa$ and the remaining $500$ to $aa$. Based on this data, the frequency of allel $A$ in the population is

1. $0.5$
2. $0.4$
3. $0.6$
4. $0.3$

Q.

Logistic growth results in a/an ______-shaped growth curve

1. Bell

2. J

3. U

4. S

Q.

what does s-shaped pattern of population growth represent ? how is it different from j-shaped pattern of population growth ?

Q. When population growth is zero,

1. Natality is greater than mortality
2. Natality equals mortality
3. Natality is lesser than mortality
4. Natality is zero

Q. Asymptote in a logistic growth curve is obtained when.

1. The value of 'r' approaches zero
2. K $<$ N
3. K $=$ N
4. K $>$ N

Q. Match column I with column II and choose correct option.

Q.

Discuss The Role Of Any Two Factors Influencing Population Change

Q. If the frequency of recessive allele in the population is 40%. Find the number of dominant individuals out of a population of 5000 individuals.

1. 3000
2. 4200
3. 3500
4. 2000

Q. What is the formula for logistic growth, if $r$ stand for the intrinsic rate of growth, $N$ for the number of organisms in a population, and $K$ for the carrying capacity?

1. $rN(N-K)/K$
2. $rK(K-N)/rN$
3. $rN(N-r)/rK$
4. $rK(r-N)/K$
5. $rN(K-N)/K$

Q. Asymptote in a logistic growth curve is obtained when :

1. The value of r approaches zero
2. K = N
3. K > N
4. K < N

Q. In a population of 1000 individuals, 360 belong to genotype AA, 480 to Aa and remaining 160 to aa. Based on this data, the frequency of allele A in the population is -

1. 0.5
2. 0.7
3. 0.4
4. 0.6

Q.

If the initial size of a population was $N_o=10$ and the population is growing at the rate of 0.6%, when will the population stabilize? The carrying capacity of the population is 300.

1. Zero population growth

2. Declined growth

3. Exponential growth

4. None of the above