Tag: selection and evolution

Questions Related to selection and evolution

Carbon dating is useful for measuring age of a fosil/skeleton/article between

  1. 500,000 - 50,000,000 years

  2. 50,000 - 500,000 years

  3. 1000 - 50,000 years

  4. 1 - 1000,000 years.


Correct Option: C

An instrument which measures concentration of C-14 directly is

  1. Accelerator mass spectrometer

  2. Spectroscope

  3. Geiger counter

  4. All the above.


Correct Option: A

Stratigraphy is the study of

  1. Earth's crust

  2. Sedimentary rocks

  3. All type of rocks

  4. Underground water.


Correct Option: B

Which of the following is the tallest tree of the world?

  1. Eucalyptus regnans

  2. Sequoia sempervirens

  3. Pinus longifolia

  4. Pinus roxburgii.


Correct Option: A
Explanation:

The tallest trees in the world are redwoods (Sequoia sempervirens), which tower above the ground in California. These trees can easily reach heights of 300 feet (91 meters).


So, the correct option is 'Option A, Eucalyptus regnans'.

Which one has undergone anthropogenic extinction?

  1. Mastadon

  2. Caspian tiger

  3. Wooly mammoth

  4. Giant sloth


Correct Option: B
Explanation:

Caspian tiger has undergone anthropogenic extinction. The anthropocene extinction, is the ongoing extinction event of species during the present holocene epoch, mainly as a result of human activity. It is also called as the holocene extinction or as the Sixth Extinction. Reasons for such extinction include land development, overexploitation, species translocations and introductions, and pollution.
So, the correct answer is 'Caspian tiger'.

Number of eras in phanerozoic is

  1. 4

  2. 3

  3. 2

  4. 1.


Correct Option: B

Neanderthals were adopted to live under

  1. Hot and humid climate

  2. Hot and dry climate

  3. Cold environment

  4. Mild climate.


Correct Option: C

An old city got buried under lava was

  1. Old Rome

  2. Pompeii

  3. Asurus

  4. Old Foundland.


Correct Option: B

India has a long coastline of :

  1. 4000 km

  2. 5500 km

  3. 6500 km

  4. 7500 km


Correct Option: D

During cretaceous-palaeocene mass extinction the organisms that became extinct were

  1. Mammoth

  2. Dinosaurs

  3. Trilobites

  4. Marine amphibians.


Correct Option: B