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Questions in biology
📝 Answered - Which of the following is required for photosynthesis to take place? a. sugar b. oxygen c. ATP d. water
📝 Answered - What is the primary purpose of tillage? A. Increase soil erosion B. Improve soil aeration & seedbed preparation C. Reduce water retention D. Kill all microorganisms
📝 Answered - What is the term for a synapse that connects to a dendrite of the postsynaptic cell?
📝 Answered - Can viruses make you catch a cold after touching something contaminated?
📝 Answered - Calculate the mean change in mass at 1.0 mol/dm³ concentration, given the change in mass values are -0.22, -0.30, and -0.32.
📝 Answered - Describe the El Nino phenomenon and identify how energy and mass are exchanged among the subsystems. Use different types of lines or boxes to differentiate between matter/materials and energy. 1. Use arrows to indicate interaction between components. 2. Answer the following questions: * How does energy flow or exchange among subsystems? * How does matter flow or exchange among subsystems?
📝 Answered - Column I a. House fly b. Cockroach c. Mosquito d. Infants Column II (i) biting and chewing (ii) suckling (iii) siphoning (iv) sucking
📝 Answered - Stress caused by not being able to accomplish all the tasks and obligations in the time available is known as
📝 Answered - 9. Which of the following is a common characteristic of the given animals: dolphin, cat, horse? a. They all lay eggs b. They all give birth to their offspring c. They all are oviparous d. They all live on land 10. The protective covering developed by the caterpillar around itself is known as a/an: a. Pupa b. Egg c. Cocoon d. Larva 11. Clouds are formed in which layer of the atmosphere? a. Exosphere b. Mesosphere c. Thermosphere d. Troposphere
📝 Answered - Assertion (A): Rhizobium is used in the treatment of fungal infections. Reason (R): Rhizobium forms nodules on the roots of leguminous plants. (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
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