MCQ for mcq-test-7-5th-july-2023

With reference to biodiversity, consider the following statements:

1. Species richness measures the proportion of species at a given site.

2. Alpha diversity refers to the diversity within a particular area or ecosystem.

3. Tropical latitudes have greater species diversification than temperate regions due to long evolutionary time.

Which of the statements given above are correct?

Which among the following is/are the quantitative criteria for a region to qualify as a ‘biodiversity hotspot’?

1. It has to have conserved at least 70% of its original native habitat.

2. It must contain at least 0.5% of the world’s total species of vascular plants as endemic.

Select the correct answer using the code given below:

Consider the following:

1. Zoological Park

2. Seed bank

3. Arboreta

4. Biosphere reserve

Which of the sites given above are the methods of ex-situ biodiversity conservation?

Consider the following pairs:

Which of the pairs given above are correctly matched?

Consider the following statements:

1. Soft corals do not produce reefs.

2. Coral bleaching refers to the death of a coral reef.

3. Coral bleach can occur due to extremely low tides or too much sunlight.

Which of the statements given above are correct?

Consider the following statements:

1. To be invasive, a species must adapt to the new area easily and reproduce quickly.

2. All invasive species are introduced into a new region accidentally.

3. The Global Invasive Species Database is developed by UNEP to address the issue of invasive alien species.

Which of the statements given above is/are correct?

Consider the following statements:

1. Majority of animals are able to maintain a constant internal body temperature under various environmental conditions.

2. Organisms are able to maintain homeostasis by physiological means only.

3. Thick-walled spores help bacteria to survive unfavourable conditions.

Which of the statements given above are not correct?

With reference to algae, consider the following statements:

1. They are chlorophyll-bearing, autotrophic and predominantly terrestrial organisms.

2. An association between algae and fungus is called Lichens.

3. They can reproduce by both asexual and sexual methods.

Which of the statements given above is/are correct?

‘’These processes can either amplify or diminish the effects of climate forcings like Solar Irradiance and Greenhouse Gas emissions. These can be categorised into two types, positive or negative. Such processes include clouds formation, precipitation and ice-albedo.’’ This is the most likely description of

‘Arctic Amplification’ sometimes seen in news is a phenomenon of

Consider the following statements with reference to the Global Warming Potential (GWP) of the gases:

1. It is a measure of how much energy the emission of 1 ton of a gas will absorb over a given period of time relative to 1 ton of carbon dioxide.

2. GWP of methane is the highest among all the greenhouse gases.

3. Gases with a higher GWP have a greater potential to absorb infrared radiation.

Which of the statements given above is/are not correct?

Consider the following pairs with reference to Chemical weathering processes:

Which of the pairs given above is/are correctly matched?

Consider the following statements with reference to geomorphic processes:

1. The Exogenic forces continuously elevate or build up parts of the earth’s surface.

2. The Endogenic forces result in degradation and aggradation of the earth’s surface.

Which of the statements given above is/are not correct?

Consider the following statements with reference to Faults:

1. Reverse faults are formed due to the movement of the rock blocks in opposite directions.

2. Normal faults are compressional faults as they result in the shortening of the faulted area.

3. Step faults occur in any area where slopes of all the fault planes are in the same direction.

Which of the statements given above is/are correct?

With reference to the Geological Time Scale, arrange the following periods in their chronological order starting from the earliest:

1. Cretaceous

2. Ordovician

3. Silurian

4. Triassic

Select the correct answer using the code given below.

Which of the following refers to the slow deformation of a very large area of the earth’s surface because of radial stresses?

Consider the following statements with reference to Solifluction:

1. It is a process of biological weathering.

2. It occurs when upper portions of soil get saturated and lower parts are impervious to water percolation.

3. The process is common in moist temperate regions.

Select the correct answer using the code given below:

Consider the following statements with reference to Fold mountains:

1. Open folds are those in which the angle between the two limbs is acute.

2. The European Alps mountains are an example of Nappe folds.

3. Monoclinal folds are formed when both limbs become parallel.

Which of the statements given above is/are correct?

Consider the following statements:

1. Unlike the parallels of latitude which are circles, the meridians of longitude are semicircles that converge at the poles.

2. Unlike the parallels of latitude, the meridians of longitude are all equal in length.

3. The meridians intersect the equator at right angles.

Which of the statements given above are correct?

Which of the following countries share a boundary with the Black Sea?

1. Russia

2. Turkey

3. Ukraine

4. Serbia

Select the correct answer using the codes given below:

Galwan valley is situated to the

The term ‘Convergent evolution’ refers to:

With reference to the St. Petersburg Tiger Summit, consider the following statements:

1. It was the first-ever international summit for tiger conservation.

2. The participants included members from tiger range countries only.

3. The Global Tiger Initiative (GTI) was launched during this summit.

Which of the statements given above is/are correct?

Which of the following countries have territories in the Indian ocean area?

1) U.S.A

2) France

3) China

4) Australia

5) United Kingdom

Select the correct answer from the code given below.

With reference to Nationally Determined Contributions (NDCs), consider the following statements:

1. Each Party signatory to the Paris Agreement of 2015 is required to update their NDCs every year.

2. NDCs submitted by India include the target of 60 percent of its electricity generation capacity from non-fossil fuels by 2030.

Which of the statements given above is/are not correct?