Prepare for NEET with Botany-specific practice questions. Covering all major Botany chapters, this is perfect for your NEET Biology needs.
Which of the statements given below is not true about formation of Annual Rings in trees?
Each annual ring represents one year of growth in a tree.
Earlywood and latewood have distinct cell structures contributing to ring formation.
Environmental factors like rainfall and temperature affect the width of annual rings.
Annual rings are equally wide regardless of environmental conditions.
Which of the following statements is not correct?
Pollen grains of many species can germinate on the stigma of a flower, but only one pollen tube of the same species grow into the style.
Insects that consume pollen or nectar without bringing about pollination are called pollen / nerctar robbers.
Pollen germination and pollen tube growth are regulated by chemical components of pollen interacting with those
of the pistil.
Some reptiles have also been reported as pollinators in some plant species.