Biological Classification Test 17 (Class 11) – 10 MCQs Quiz with Answers | Score Booster
NEET Exam
Biological Classification - Test 17
Biological Classification Chapter-Wise Test 17 is a highly effective MCQ practice set designed for Class 11 students preparing for board exams and competitive exams like NEET. This test includes 10 important questions that must be completed within 10 minutes, making it ideal for quick revision and exam-level preparation. Each correct answer carries 4 marks, while every incorrect answer results in a deduction of 1 mark, helping students improve both accuracy and time management.
This test focuses on key concepts from the Biological Classification chapter, including fungi, protists, bacteria, viruses, and cyanobacteria. One of the important topics covered is Deuteromycetes, which are known as ‘imperfect fungi’ because their sexual stage is not known. These fungi reproduce asexually and play an important role in decomposition.
Another key concept is Euglena, a unique organism that has a protein-rich pellicle instead of a cell wall. This allows flexibility in movement and is a distinguishing feature of euglenoids. The test also includes questions on protozoans, where it is important to understand that they are unicellular eukaryotes that can reproduce both sexually and asexually. Therefore, the statement that protozoans reproduce only sexually is incorrect.
Students will also encounter questions related to Kingdom Monera. Monerans are prokaryotic organisms that lack a nuclear membrane and membrane-bound organelles. Hence, the presence of membrane-bound organelles is not a characteristic of this kingdom.
Another important topic is retroviruses, which contain RNA as their genetic material and use the enzyme reverse transcriptase to convert RNA into DNA inside the host cell. This unique mechanism makes them different from other viruses.
The test also highlights organisms like Gonyaulax, a dinoflagellate responsible for causing red tides in oceans. These red tides can be harmful to marine life and are an important ecological phenomenon.
Fungi-related questions emphasize their ecological roles, such as decomposition and production of antibiotics. Unlike plants, fungi do not perform photosynthesis and are heterotrophic organisms.
Diatoms are another key topic, known for their silica-embedded cell walls, which form deposits called diatomaceous earth. These structures are important in both ecological and industrial contexts.
Cyanobacteria are also covered in this test. These organisms are prokaryotic and capable of photosynthesis and nitrogen fixation. However, they do not have a well-defined nucleus, making any statement suggesting otherwise incorrect.
Lastly, the test includes questions about Mycoplasma, which are the smallest free-living organisms. They lack a cell wall and are known for their simple structure and adaptability.
Overall, Biological Classification Test 17 is an excellent resource for revision and self-assessment. Practicing such MCQs regularly will help students improve their conceptual clarity, speed, and confidence. Whether you are preparing for school exams or competitive exams, this test will significantly boost your performance.