TN TET · Mathematics and Science (Paper II)
Life processes, plants and animals.
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Q1 · Biology and Life Processes · EASY
In a green plant, which process converts light energy into chemical energy stored in glucose?
Q2 · Biology and Life Processes · EASY
A student observes that a potted plant placed near a window bends towards the light. This response of the plant to light stimulus is called:
Q3 · Biology and Life Processes · MEDIUM
Which of the following is NOT a function of the human skeletal system?
Q4 · Biology and Life Processes · MEDIUM
A farmer noticed that a particular plant grows well in marshy areas with roots partially submerged in water. The roots of this plant likely have special tissues to transport oxygen. What type of adaptation is this an example of?
Q5 · Biology and Life Processes · HARD
During an experiment, students observed that when they placed a freshly plucked leaf in hot water, air bubbles came out from the leaf surface. They then placed the leaf in alcohol and boiled it, after which the leaf lost its green colour. Finally, they added iodine solution to the leaf and it turned blue-black. What does the blue-black colour indicate?