Plant Anatomy and Physiology MCQ question and answer with solution | Biology Gk MCQs

The fruit produced from bicarpellary, syncarpous and inferior ovary with calyx persistent and forming the 'pappus' is known as

Consider the following statements and choose the correct answer:
1. Transpiration usually occurs during day-time whereas guttation takes place in night
2. In transpiration water comes out in the form of liquid, whereas in guttation the water is given off in the form of vapour
3. Transpiration water is pure but guttation water contains inorganic salts and sugars
4. Transpiration is a controlled phenomenon whereas guttation is an uncontrolled phenomenon

During glycolysis, in the presence of ADP and the enzyme phosphoglycerokinase, 1, 3 - diphosphoglycerate is converted to

Which of the following are oxygen derivatives of carotenes containing 1 - 8 oxygen atoms?

In the presence of sun light, atomic oxygen from the photochemical reduction of NO₂ reacts with a number of reactive hydrocarbons to form reactive intermediates called

For every four electrons donated to P₆₈₀ during light reaction,

Which of the following is not a waste product produced by plants?

The factors that favour guttation include

Water in plants is transported by

The radioactive isotopes are similar to normal elements in their chemical properties but differ in their number of