CET-BIOLOGY-JNK-2008 Questions and Answers
CET Biology JNK 2008 questions with answers provide a strong foundation for students preparing for medical entrance exams like NEET, AIIMS, and state-level CETs. These biology aptitude questions cover topics such as genetics, physiology, plant biology, and human anatomy. Practicing this set helps aspirants understand the type of conceptual and application-based questions asked in exams. Designed for effective self-assessment, these aptitude questions with solutions PDF versions are perfect for quick revision and confidence building before competitive medical exams.
CET-BIOLOGY-JNK-2008
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74 questions
21. Respiratory quotient (RQ) is one in case of :
- Fatty acids
- Nucleic acids
- Carbohydrates
- Organic acids
22. An example of free living nitrogen fixing aerobic bacteria is :
- Clostridium
- Rhizobium
- Azotobacter
- Rhodospirillum
23. Identify the plant belonging to the Reed-Swamp stage in hydrarch succession :
- Juncus
- Sagittaria
- Salix
- Trapa
24. A gas produced by paddy fields and connected with global warming is :
- CO2
- Chlorine
- H2S
- Methane
25. If the strong partner is benefited and the weak partner is damaged, it is known as :
- Predation
- Allelopathy
- Symbiosis
- Commensalism
26. Acid rain is mainly caused due to increase in the levels of the gas(es) :
- SO2 only
- CO2 only
- SO2, CO2
- NO2 and SO2
27. The flow of energy among various trophic levels of an ecosystem is :
- Unidirectional
- Bidirectional
- Multidirectional
- Circular
28. Increase in atmospheric temperature due to CO2 is called :
- Pasteur effect
- Green-house effect
- Blackman effect
- Emerson effect
29. The protective-ozone layer is present in :
- Ionosphere
- Stratosphere
- Troposphere
- Lithosphere
30. Decomposition of organic matter is brought about by :
- Protozoa
- Plants
- Micro-organisms
- None of these