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Questions in biology
📝 Answered - Match the following blood donors with their suitable recipients. | Donor | Recipient | |---|---| | A | A | | B | B | | AB | AB | | O | O |
📝 Answered - Humans evolved in the Eocene period.
📝 Answered - A desert animal produces concentrated, paste-like nitrogenous waste with minimal water loss. What is the likely mode of excretion? A. Osmotolism B. Uricotelism C. Ureotelism D. Ammonotelism
📝 Answered - Answer the following questions: 1. What is a fibre? 2. Name two plants used as fiber.
📝 Answered - Assertion (A): Farmers sometimes burn stubble in the fields after harvest. Reason (R): Burning stubble is the best way to increase nitrogen content in the soil. (1) Both A and R are true, and R is the correct explanation (2) Both A and R are true, but R is not the correct explanation (3) A is true, R is false (4) A is false, R is true
📝 Answered - How do limiting factors most affect population size? A. stop population growth B. restrict population growth C. increase population growth D. decrease population growth
📝 Answered - Which phrase describes short-term environmental changes? A. occur over thousands to millions of years B. occur over minutes to hundreds of years C. have little to no impact on organisms D. are slow-building and offer advanced warning
📝 Answered - The supporting cells of capillaries are called:
📝 Answered - When listing the levels of organization in organisms from least complex to most complex, which level is just below organs in complexity? A. cell B. organism C. organ system D. tissue
📝 Answered - What is the main benefit of aeroponics? A. Higher water usage B. Maximum oxygen exposure to roots C. No need for nutrients D. Slower growth rate
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