Samacheer Kalvi EM 12 Bio - Zoology Unit2 Chapter6 MCQs Mock Test

12th Bio - Zoology Mock Test

Chapter 6: Evolution

Choose the correct answer from the multiple choices, then click "Next" to goto next question and click "OK" after seeing the score.

 

1. The first life on Earth originated __________
   1.   in air
   2.   on land
   3.   in water
   4.   on mountain
2. Who published the book “Origin of species by Natural Selection” in 1859?
   1.   Charles Darwin
   2.   Lamarck
   3.   Weismann
   4.   Hugo de Vries
3. Which of the following was the contribution of Hugo de Vries?
   1.   Theory of mutation
   2.   Theory of natural Selection
   3.   Theory of inheritance of acquired characters
   4.   Germplasm theory
4. The wings of birds and butterflies is an example of __________
   1.   Adaptive radiation
   2.   convergent evolution
   3.   divergent evolution
   4.   variation
5. The phenomenon of “ Industrial Melanism” demonstrates __________
   1.   Natural selection
   2.   induced mutation
   3.   reproductive isolation
   4.   geographical isolation
6. Darwin’s finches are an excellent example of __________
   1.   connecting links
   2.   seasonal migration
   3.   adaptive radiation
   4.   parasitism
7. Who proposed the Germplasm theory?
   1.   Darwin
   2.   August Weismann
   3.   Lamarck
   4.   analysis of bones
8. The age of fossils can be determined by __________
   1.   electron microscope
   2.   weighing the fossils
   3.   carbon dating
   4.   analysis of bones
9. Fossils are generally found in __________
   1.   igneous rocks
   2.   metamorphics
   3.   volcanic rocks
   4.   sedimentary rocks
10. Evolutionary history of an organism is called __________
    1.   ancestry
    2.   ontogeny
    3.   phylogeny
    4.   paleontology
11. The golden age of reptiles was __________
    1.   Mesozoic era
    2.   Cenozoic era
    3.   Paleozoic era
    4.   Proteroic era
12. Which period was called “Age of fishes”?
    1.   Permian
    2.   Triassic
    3.   Devonian
    4.   Ordovician
13. Modern man belongs to which period?
    1.   Quaternary
    2.   Cretaceous
    3.   Silurian
    4.   Cambrian
14. The Neanderthal man had the brain capacity of __________
    1.   650 – 800cc
    2.   1200cc
    3.   900cc
    4.   1400c
15. According to Darwin, the organic evolution is due to
    1.   Intraspecific competition
    2.   Interspecific competition
    3.   Competition within closely related species.
    4.   Reduced feeding efficiency in one species due to the presence of interfering species.
16. A population will not exist in Hardly-Weiberg equilibrium if
    1.   Individuals mate selectively
    2.   There are no mutations
    3.   There is no migration
    4.   The population is large

Samacheer Kalvi EM 12th Std Bio - Zoology Unit 2 Chapter 6 MCQs Mock Test Instructions

Chapter 6: Evolution

Here you will find 16 MCQs questions and options. Read the questions carefully and select the appropriate answer for the question by selecting/clicking the box before the option. A pop-up box will open by displaying the result of the option selected. The result of each question will be based on percentages. Each question will have 3 chances to select the right option and for every chance, the percentage of scores will be reduced. Likewise, the remaining questions also take place. The overall percentage scored will be displayed at the completion of the mock test.

Note: Every time the page loads, the question and options will be randomized and takes you to the beginning of the particular exercise.

Button Navigations:

The Below Image shows the button navigations.

• The Home Button On the Top and Bottom Navigates to the Homepage of the Subject (Example: To Bio - Zoology if the mock test is taken from Bio - Zoology).
• The Next Chapter Button on the Top and Bottom Navigates to the Next Chapter (Example: From Chapter 6 to Chapter 7 and so on).
• The Prev Chapter Button on the Top and Bottom Navigates to the Prev Chapter (Example: From Chapter 6 to Chapter 5 and so on).
• The Next Button next to the question numbers Navigates to the Next Question (Example: From 1 to 2 and so on).
• The Show All Questions Button Displays all the questions and options of that exercise on a single page.
• The Option Box Icon (Box with Question mark icon), is the box that is to be selected for the correct option. By selecting/clicking the option box, a pop-up box will open by displaying the result of the option selected.