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