Lecturer Zoology Solved Past Paper MCQs Online Test No. 60

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There will be 25 multiple choice question in the test.
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Test Instructions:-
Test NameLecturer Zoology
SubjectZoology Test 60
Test TypeMCQs
Total Questions25
Total Time20 Minutes
Total Marks100
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You have 20 minutes to pass to the quiz.

You have 20 minutes to pass to the quiz.


Lecturer Zoology Online Test No. 60

1 / 25

A trend toward the decrease in the size of plants on the slopes of mountains as altitudes increase is an example of

2 / 25

Natural selection changes allele frequencies in populations because some..................survive and reproduce more successfully than others.

3 / 25

One species lives only in tree holes; another species lives only in streams. What sort of barrier exists between these two species?

4 / 25

What was the species concept most used by Linnaeus?

5 / 25

Which of these evolutionary agents is most consistent at causing populations to become better suited to their environments over the course of generations?

6 / 25

Males of one species are too small to perform amplexus (an action that stimulates ovulation) with females of all other species. What sort of barrier exists between these two species?

7 / 25

The largest unit within which gene flow can readily occur is a

8 / 25

Heterozygote advantage should be most closely linked to which of the following?

9 / 25

Who would have proposed that the boundaries between each stratum mark the occurrence of different localized floods?

10 / 25

The most likely explanation for the recent decline in cichlid species diversity in Lake Victoria is:

11 / 25

If, on average, 46% of the loci in a speciesʹ gene pool are heterozygous, then the average homozygosity of the species should be

12 / 25

In a Hardy-Weinberg population with two alleles, A and a, that are in equilibrium, the frequency of allele a is 0.1. What is the percentage of the population that is heterozygous for this allele?

13 / 25

The phenotypic characters which vary along a continuum in a population are termed as:

14 / 25

Which of the following pieces of evidence most strongly supports the common origin of all life on Earth?

15 / 25

Gene flow is a concept best used to describe an exchange between:

16 / 25

Which of the various species concepts distinguishes two species based on the degree of genetic exchange between their gene pools?

17 / 25

Fossil evidence indicates that horses have gradually increased in size over geologic time. Which of the following terms best describes this?

18 / 25

Which species concept is currently most popular among most biologists?

19 / 25

The biological species concept is inadequate for grouping:

20 / 25

Females of one species choose mates based on song quality; females of another species choose mates on the basis of size. What sort of barrier exists between these two species?

21 / 25

You sample a population of butterflies and find that 42% are heterozygous at a particular locus. What should be the frequency of the recessive allele in this population?

22 / 25

In a Hardy-Weinberg population with two alleles, A and a, that are in equilibrium, the frequency of allele a is 0.2. What is the frequency of individuals with Aa genotype?

23 / 25

Contribution an individual makes to the gene pool of the next generation is?

24 / 25

In a Hardy-Weinberg population with two alleles, A and a, that are in equilibrium, the frequency of the allele a is 0.4. What is the percentage of the population that is homozygous for this allele?

25 / 25

Natural selection is most nearly the same as:

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