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