Preparing for the Odisha B.Ed Entrance Exam in Biological Sciences requires a solid understanding of key concepts. The top 30 MCQs typically cover a range of topics including cell biology, genetics, evolution, ecology, and human physiology. These questions are designed to test both fundamental knowledge and application skills. For instance, you might encounter questions on the structure and function of cell organelles, Mendelian genetics, Darwinian theory, ecological interactions, and the human circulatory system. Mastering these areas through targeted MCQ practice can enhance your exam readiness and boost your confidence in tackling complex biological concepts.
Top 30 Biological Science MCQs For Odisha B.Ed Entrance Exam
1. Natural resources are:
(a) Man-made resources
(b) Resources developed with human intervention
(c) Resources that exist independently of human actions
(d) Only non-renewable resources
Ans: (c) Resources that exist independently of human actions
2. Which of the following is a renewable resource?
(a) Coal
(b) Petroleum
(c) Natural Gas
(d) Wind Energy
Ans: (d) Wind Energy
3. Non-renewable resources are:
(a) Infinite in quantity
(b) Replenish quickly
(c) Exhaustible in nature
(d) Sustainable
Ans: (c) Exhaustible in nature
4. Which is a product made from the natural resource ‘oil/petroleum’?
(a) Paper
(b) Plastic
(c) Furniture
(d) Aluminum
Ans: (b) Plastic
5. Which natural resource is crucial for the production of steel?
(a) Copper
(b) Iron Ore
(c) Platinum
(d) Gold
Ans: (b) Iron Ore
6. The most common element found in the earth’s crust is:
(a) Aluminum
(b) Oxygen
(c) Silicon
(d) Iron
Ans: (b) Oxygen
7. Which of the following is not a characteristic of renewable resources?
(a) Can be used repeatedly
(b) Sustainable in nature
(c) High cost and less environment-friendly
(d) Replenish quickly
Ans: (c) High cost and less environment-friendly
8. The primary source of geothermal energy is:
(a) Solar heat
(b) Earth’s internal heat
(c) Fossil fuels
(d) Ocean tides
Ans: (b) Earth’s internal heat
9. Soil erosion is most effectively prevented by:
(a) Cutting down trees
(b) Planting vegetation
(c) Building roads
(d) Mining activities
Ans: (b) Planting vegetation
10. Which resource is known for its role in moderating climate and providing shelter to animals?
(a) Minerals
(b) Soil
(c) Plant Biodiversity
(d) Petroleum
Ans: (c) Plant Biodiversity
11. Biodiversity refers to:
(a) Diversity among genes
(b) Diversity among species
(c) Diversity among ecosystems
(d) All of the above
Ans: (d) All of the above
12. The term “biodiversity” was coined by:
(a) Walter G. Rosen
(b) E.O. Wilson
(c) Norman Myers
(d) Rachel Carson
Ans: (a) Walter G. Rosen
13. How many biodiversity hotspots are officially recognized globally?
(a) 24
(b) 36
(c) 12
(d) 48
Ans: (b) 36
14. Which of the following is a biodiversity hotspot in India?
(a) Thar Desert
(b) Western Ghats
(c) Rann of Kutch
(d) Indo-Gangetic Plain
Ans: (b) Western Ghats
15. What is genetic diversity?
(a) Variety of ecosystems
(b) Diversity among species
(c) Variations in genes and chromosomes within a species
(d) Diversity in food chains
Ans: (c) Variations in genes and chromosomes within a species
16. The loss of which natural resource could lead to a scarcity of oxygen?
(a) Oil
(b) Soil
(c) Plant Biodiversity
(d) Iron Ore
Ans: (c) Plant Biodiversity
17. Ecological diversity refers to:
(a) Diversity among genes
(b) Diversity within species
(c) Variations in plant and animal species connected by food chains and food webs
(d) Variations in soil types
Ans: (c) Variations in plant and animal species connected by food chains and food webs
18. Biodiversity is crucial for the production of:
(a) Energy from coal
(b) Domesticated crops and livestock
(c) Plastic
(d) Steel
Ans: (b) Domesticated crops and livestock
19. Which of the following is not a level of biodiversity?
(a) Species diversity
(b) Ecological diversity
(c) Population diversity
(d) Genetic diversity
Ans: (c) Population diversity
20. Which biodiversity hotspot is known for its unique flora and fauna and is also a mangrove forest?
(a) Western Ghats
(b) Sundarbans
(c) Eastern Himalayas
(d) Indo-Burma region
Ans: (b) Sundarbans
21. Resource recovery refers to:
(a) Extracting virgin resources
(b) Extracting material from waste streams for recycling
(c) Producing new materials without recycling
(d) Using only non-renewable resources
Ans: (b) Extracting material from waste streams for recycling
22. Which industry often uses recovered steel as a raw material?
(a) Plastics industry
(b) Textile industry
(c) Steel mills
(d) Food industry
Ans: (c) Steel mills
23. A common example of resource recovery is:
(a) Burning coal for energy
(b) Using recovered plastic in manufacturing
(c) Extracting oil from the ground
(d) Mining for new minerals
Ans: (b) Using recovered plastic in manufacturing
24. Which practice helps prevent the depletion of natural resources?
(a) Increasing fossil fuel extraction
(b) Using virgin resources
(c) Recycling materials
(d) Building more roads
Ans: (c) Recycling materials
25. The main environmental benefit of resource recovery is:
(a) Increased pollution
(b) Conservation of natural resources
(c) Greater energy consumption
(d) Depletion of biodiversity
Ans: (b) Conservation of natural resources
26. Which of the following does not directly contribute to biodiversity loss?
(a) Deforestation
(b) Pollution
(c) Conservation programs
(d) Climate change
Ans: (c) Conservation programs
27. The presence of different species in a particular region contributes to:
(a) Genetic diversity
(b) Species diversity
(c) Economic diversity
(d) None of the above
Ans: (b) Species diversity
28. An example of a non-renewable resource is:
(a) Solar energy
(b) Wind energy
(c) Coal
(d) Timber
Ans: (c) Coal
29. Which type of natural resource includes forests and fisheries?
(a) Non-renewable resources
(b) Exhaustible resources
(c) Renewable resources
(d) Mineral resources
Ans: (c) Renewable resources
30. Which of the following is the least likely to be a product of biodiversity?
(a) Medicine
(b) Food
(c) Fossil fuels
(d) Clothing materials
Ans: (c) Fossil fuels
