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