Lecturer Zoology Solved Past Paper MCQs Online Test No. 61

Leave a Comment / By Hassan / February 15, 2022

Given below on this Website Online Free Taleem is free online MCQ’s test related to PPSC of Lecturer Zoology. All the individuals who are going to appear in PPSC Lecturer of Zoology written test can attempt these tests in order to prepare for it in best possible way. Our tests include all the important questions MCQs of Lecturer of PPSC Zoology, all Past Papers of Lecturer of Zoology PPSC that have extremely high amount of chances for been included in the actual exam which make our test undoubtedly the best source of preparation.

Note:-

There will be 25 multiple choice question in the test.
Answer of the questions will change randomly each time you start this test.
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Test Instructions:-
Test Name	Lecturer Zoology
Subject	Zoology Test 61
Test Type	MCQs
Total Questions	25
Total Time	20 Minutes
Total Marks	100

You have 20 minutes to pass to the quiz.

Lecturer Zoology Online Test No. 61

1 / 25

Which of the following published his extensive studies of vertebrate fossils?

George Cuvier

James Hutton

Charles Lyell

Thomas Malthus

2 / 25

Among following, which taxon exhibits pronounced level of polyploidy?

Amphibians

Fishes

Rodents

Primates

3 / 25

Sexual selection accruing within a same population may ultimately leads to:

Hybridization

Allopatric speciation

Sympatric speciation

Polyploidy

4 / 25

Type of mutation which results in formation of premature stop codon in a coding region of genome is termed as:

Silent mutation

Missense mutation

Nonsense mutation

Aberration

5 / 25

Paleontology, the study of fossils, was developed by?

George Cuvier

James Hutton

Charles Lyell

Thomas Malthus

6 / 25

Which of the following pairs of structures is least likely to represent homology?

The wings of a bat and the arms of a human

The hemoglobin of a baboon and that of a gorilla

The mitochondria of a plant and those of an animal

The wings of a bird and those of an insect

7 / 25

According to scientific estimates, the life in the cosmos came into being as earlier as:

2.5 billion years ago

3.5 billion years ago

4.5 billion years ago

None of these

8 / 25

During an individual organism's lifetime, which of these is most likely to help the organism respond properly to changes in its environment?

Microevolution

Change in allele or gene frequency

Change in gene expression

Change in average heterozygosity

9 / 25

Which among the following is an example of atavistic structures?

Appearance of tail in humans

Vermiform appendix

Nictitating membrane

Tail of tadpole

10 / 25

Which term is the most suitable to describe a polyploid having its sets of chromosomes derived from different species?

Anueploidy

Allopolyploidy

Autopolyploidy

Chromosomal aberration

11 / 25

Pattern of evolution in which two closely related populations gradually become more and more different?

Convergent evolution

Divergent evolution

Coevolution

Parallel evolution

12 / 25

Natural selection changes allele frequencies because some………survive and reproduce more successfully than others:

Alleles

Gene pools

Individuals

Species

13 / 25

Evolution that results from relationships between organisms is ______?

Parallel evolution

Coevolution

Convergent evolution

Divergent evolution

14 / 25

Evolution of Homo sapiens is an example of?

Microevolution

Macroevolution

Coevolution

Parallel evolution

15 / 25

Which group is composed entirely of individuals who maintained that species are fixed (i.e., unchanging)?

Aristotle, Cuvier, and Lamarck

Linnaeus, Cuvier, and Lamarck

Lyell, Linnaeus, and Lamarck

Aristotle, Linnaeus, and Cuvier

16 / 25

Which among the following can best describe a mutation occurring in a noncoding region of genome?

Neutral variation

Genetic drift

Fossil genome

Pseudogene

17 / 25

Which of Darwinʹs ideas had the strongest connection to Darwin having read Malthusʹs:

Essay on human population growth?

Descent with modification

Variation among individuals in a population

Struggle for existence

18 / 25

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

Mutation

Non-random mating

Gene flow

Natural selection

19 / 25

Which of the following anatomical structures is homologous to bones in wing of a bird?

Cartilage in the dorsal fin of a shark

Bones in the hind limb of a kangaroo

Bones in the flipper of a whale

Bony rays in the tail fin of a flying fish

20 / 25

Group of organisms that have a common ancestor and some of its descendants?

Monophyletic

Polyphyletic

Paraphyletic

Cladogram

21 / 25

Structures that evolve from same ancestral form though function may differ?

Homologous

Analogous

Convergent

Divergent

22 / 25

.................may add new genetic material to established gene pool of a population?

Emigration

Immigration

Founder effect

Genetic drift

23 / 25

Which of the following leads to speciation?

Natural selection

Favorable genotypes

Adaptation

All of these

24 / 25

Microevolution can best be described as following:

Speciation in microbes

Gradual accumulation of adaptations

Presence of vestigial organs

Change in allele frequency of a population

25 / 25

Any selective force which pushes population towards median traits?

Stabilizing selection

Directional selection

Disruptive selection

Frequency-dependent selection

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