Biological Classification Test 18 (Class 11) – 10 MCQs Quiz with Answers | Boost Score Fast
NEET Exam
Biological Classification - Test 18
Biological Classification Chapter-Wise Test 18 is an important MCQ practice set designed for Class 11 students who want to strengthen their preparation for board exams and competitive exams like NEET. This test consists of 10 carefully selected questions that need to be solved within 10 minutes, making it perfect for quick revision and exam practice. Each correct answer carries 4 marks, while every wrong answer results in a deduction of 1 mark, helping students improve both speed and accuracy.
This test focuses on several key topics from the Biological Classification chapter, including fungi, protozoans, archaebacteria, lichens, and dinoflagellates. One of the important concepts covered is why fungi are classified separately from plants. The main reason is that fungi are heterotrophic, meaning they cannot produce their own food like plants and depend on external sources for nutrition.
Another key topic included in this test is Phycomycetes, which are commonly known as water molds. These fungi are found in aquatic environments and moist conditions. Lichens are also an important part of this test, where students need to understand that they are highly sensitive to air pollution and do not grow well in polluted areas. Hence, any statement suggesting that lichens grow rapidly in polluted environments is incorrect.
The test also includes questions on protozoans, which are unicellular eukaryotic organisms. They show various modes of locomotion, including movement by flagella, cilia, or pseudopodia. For example, Trypanosoma moves using flagella, making it a key example in this category.
Archaebacteria are another important topic covered in this test. Unlike bacteria, their cell walls do not contain peptidoglycan but are made of unique polymers such as pseudomurein. This allows them to survive in extreme environments, making them highly specialized organisms.
The test also highlights prions, which are infectious proteins that cause neurodegenerative diseases. A key concept to remember is that prions do not contain DNA or RNA, making any statement suggesting otherwise incorrect.
Another important concept is holozoic nutrition, which is observed in organisms like Paramecium. In this type of nutrition, organisms ingest food particles and digest them internally, similar to animals.
Finally, the test includes questions about dinoflagellates, which are responsible for causing red tides in marine environments. These phenomena can have harmful effects on marine life and are an important ecological concept.
Overall, Biological Classification Test 18 is a valuable resource for revision and self-assessment. Practicing such MCQs regularly helps students improve their conceptual understanding, speed, and confidence. Whether you are preparing for school exams or competitive exams, this test will help you achieve better results.