Biology Science Nios plus two Welcome to your Biology Science Nios plus two Total Questions: 38 Name Mobile No: 1. Which part of the brain is responsible for maintaining balance and coordination? Brain stem Hypothalamus Cerebellum Cerebrum None Hint 2. What is a root hair? A modified root for storage. A lateral root that develops from the main root. A protective layer on the root tip. A small, temporary structure that helps the root absorb water and nutrients. None Hint 3. Which of the following is a phylum within the Kingdom Animalia? Bryophyta Pteridophyta Arthropoda Gymnospermae None Hint 4. What is the role of the spinal cord? To control involuntary functions like breathing. To transmit nerve impulses between the brain and the body. To process information and make decisions. To regulate hormone levels. None Hint 5. What is the main function of the shoot system? Store food reserves in the roots Support the plant and conduct photosynthesis Absorb water and nutrients from the soil Anchorage and support None Hint 6. What is the shoot system? The part of the plant above ground The part of the plant below ground The underground part of the plant The root system None Hint 7. Which of the following is NOT a part of the shoot system? Leaves Stem Flower Root None Hint 8. Which of the following is a characteristic of bacteria? Presence of flagella Presence of chloroplasts Presence of a well-defined nucleus Lack of a cell wal None Hint 9. Which of the following blood vessels carries deoxygenated blood back to the heart? Veins Aorta Pulmonary vein Pulmonary artery None Hint 10. Which of the following is an example of an animal tissue? Connective tissue Xylem Phloem Meristematic tissue. None Hint 11. Which pigment is responsible for absorbing light energy in photosynthesis? Chlorophyll Starch ATP RuBP None Hint 12. What is a root cap, and what is its function? It helps the root to move through the soil. Both a and c. It absorbs water and minerals. It is a protective layer on the root tip. None Hint 13. What is the primary function of respiration in plants? Energy production Nutrient absorption Photosynthesis Water transport None Hint 14. What is the term for the fusion of a male and female gamete? Mitosis Meiosis Regeneration Fertilization None Hint 15. What is the primary function of the nervous system? To control and coordinate body functions. To digest food. To regulate body temperature. To transport oxygen. None Hint 16. What is the primary source of energy for photosynthesis? Oxygen Sunlight Carbon dioxide Water None Hint 17. Which of the following is an example of a plant tissue? Xylem Nervous tissue Muscle tissue Blood None Hint 18. What is the name of the symbiotic relationship between fungi and plant roots? Lichen Endosymbiosis Parasitism Mycorrhiza None Hint 19. The process of converting nitrates into nitrogen gas is called: Denitrification Ammonification Nitrogen fixation Nitrification None Hint 20. Plants absorb nitrogen primarily in the form of: Ammonia Amino acids Nitrites Nitrates None Hint 21. What is the difference between a taproot and a fibrous root system? Taproot is a type of adventitious root and fibrous root system is not. Taproot is found in dicots and fibrous root system is found in monocots. Taproot has a main root that is thicker and longer, while fibrous roots have a network of thinner roots. Taproot is found in monocots and fibrous root system is found in dicots. None Hint 22. What is a tissue? An organ. An organ system. A group of cells with a common origin, structure, and function. A single cell. None Hint 23. Which of the following is NOT involved in nitrogen fixation? Rhizobium Cyanobacteria Nitrobacter Azotobacter None Hint 24. Where does glycolysis occur in plant cells? Cytoplasm Mitochondria Nucleus Chloroplast None Hint 25. What is a characteristic of eukaryotic organisms? No cell wall Presence of a well-defined nucleus Absence of a membrane-bound nucleus Lack of organelles None Hint 26. What is the name of the process where a plant produces new plants from its vegetative parts, like roots, stems, or leaves? Asexual reproduction Pollination Budding Sexual reproduction None Hint 27. Which of the following is a characteristic of the Kingdom Animalia? Autotrophic nutrition. Heterotrophic nutrition. Presence of chloroplasts. Cell walls made of cellulose. None Hint 28. Which of the following is NOT a part of the female reproductive organ in a flower? Anther Ovary Stigma Style None Hint 29. What is the main function of the circulatory system? Filtering waste products from the blood Producing hormones Maintaining body temperature Transporting gases, nutrients, and hormones None Hint 30. In what stage of photosynthesis is water split? Photorespiration Light-dependent reactions Light-independent reactions Calvin cycle None Hint 31. Which of the following is a product of anaerobic respiration in plants? Water and oxygen Alcohol and carbon dioxide Carbon dioxide and water Glucose and oxygen None Hint 32. What is the main function of xylem in plants? Transporting sugars. Providing support. Protecting the plant. Transporting water and minerals. None Hint 33. Where does the shoot system develop from? The seed coat The root cap The plumule The radicle None Hint 34. The transfer of pollen from the stamen to the pistil is called: Grafting Pollination Germination Fertilization None Hint 35. Which heart chamber pumps blood to the lungs? Right ventricle Left atrium Right atrium Left ventricle None Hint 36. What is the name of the fluid that circulates in blood vessels? Plasma Lymph Interstitial fluid Blood None Hint 37. Which kingdom includes both autotrophic and heterotrophic organisms? Protista Fungi Monera Plantae None Hint 38. Which of the following is the main function of the root system? Anchoring the plant Transporting Water Both b and c Nutrient Absorption None Hint Time's up Share: admin Previous post TEST 9 June 14, 2025 Next post TEST 10 June 14, 2025
