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