NEET Biodiversity MCQ Quiz Quiz Questions

1. The most important reason for biodiversity loss in today’s age is

A over-exploitation B co-extinctions C alien species invasions D fragmentation and habitat loss

2. Biodiversity loss can lead to everything except this

A increased resistance to the environmental perturbance B a decline in plant production C increased variability in water use D increased variability in pest and disease cycle

3. Which of these is not a reason accounting for greater biodiversity of tropics?

A more niche specialization B availability of more solar energy C more time for species diversification D large seasonal variations in environmental factors

4. The main difference between the ‘Sixth extinction’ and the previous five extinctions is that, the sixth extinction

A mainly affects plants B mainly occurs on islands C occurs at a faster rate D is exclusive of human activities

5. The hot spots of biodiversity are characterized by:

A low endemicity and low threat of extinction B low endemicity and high threat of extinction C high endemicity and low threat of extinction D high endemicity and high threat of extinction

6. Presence of plants organised into well defined vertical layers based on their heights can be best observed in

A grassland B tropical savannah C tropical rain forest D temperate forest

7. Which of these is related to Ex-situ conservation of threatened plants and animals?

A Biodiversity hotspots B Wildlife safari parks C Amazon rainforest D Himalayan region

8. The region of biosphere reserve that is protected legally, where no human activity takes place is known as

A transition zone B buffer zone C core zone D restoration zone

9. Pick the correct match

A Stratification – Population B Aerenchyma – Opuntia C Age Pyramid – Biome D Parthenium hysterophorus – a threat to biodiversity

10. The National aquatic animal of India is

A Sea horse B River Dolphin C Blue whale D Gangetic shark