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