AP EAMCET (EAPCET) Botany Multiple Choice Questions (MCQs)
APEAPCET Botany MCQs - Plant Physiology (Q71 to Q80)
71. Which of the following processes does NOT require energy for the transport of molecules in plants?
Answer: D) Diffusion
72. Water potential is the measure of:
Answer: C) The ability of water to do work
73. What is the main difference between facilitated diffusion and simple diffusion?
Answer: C) Facilitated diffusion requires a transport protein, whereas simple diffusion does not
74. Plasmolysis is the phenomenon where:
Answer: B) The plasma membrane pulls away from the cell wall due to water loss
75. What is responsible for the upward movement of water in plants?
Answer: C) Transpiration pull
76. Which of the following statements is correct regarding the opening and closing of stomata?
Answer: C) The opening and closing of stomata are controlled by the turgor pressure of guard cells
77. The Pressure Flow Hypothesis explains the movement of:
Answer: C) Phloem sap from the source to the sink
78. Which of the following is NOT an essential mineral element for plants?
Answer: C) Chlorine
79. Which of the following enzymes is responsible for the conversion of starch to sugar during digestion?
Answer: A) Amylase
80. In biological nitrogen fixation, nitrogen is converted to which of the following forms?
Answer: C) Ammonia
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