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