Prepare for NEET with Botany-specific practice questions. Covering all major Botany chapters, this is perfect for your NEET Biology needs.
Which micronutrient is essential for the synthesis of auxin, a plant hormone crucial for growth and development?
Copper
Molybdenum
Zinc
Boron
Which of the following is INCORRECT regarding the formation of annual rings in trees?
Earlywood is formed during spring
Latewood is formed during autumn
Annual rings are formed due to the activity of vascular cambium
The thickness of annual rings is always uniform throughout the life of a tree
The age of a tree can be estimated by:
Measuring its height
Measuring the circumference of its trunk
Counting the annual rings
Analyzing the chemical composition of its leaves
Which type of wood is formed during the period of high cambial activity in trees?
Heartwood
Sapwood
Springwood
Autumn wood
What causes the variation in the appearance of wood within annual rings?
Consistent cambial activity throughout the year
Variations in soil nutrient levels
Differential cambial activity throughout the year
Changes in atmospheric pressure
The development of interfascicular cambium from mature parenchyma cells between vascular bundles exemplifies:
Redifferentiation
Differentiation
Dedifferentiation
Plasticity
Which process is demonstrated by the formation of interfascicular cambium from fully differentiated parenchyma cells?
Differentiation
Redifferentiation
Cell elongation
Dedifferentiation
In plants, the conversion of permanent tissues like parenchyma to meristematic tissue like interfascicular cambium is an example of:
Redifferentiation
Differentiation
Dedifferentiation
Senescence
Which of the following cellular processes is responsible for the formation of interfascicular cambium from differentiated parenchyma cells in dicot stems?
Totipotency
Dedifferentiation
Redifferentiation
Differentiation
Unlike the formation of vascular tissues from procambium, the development of interfascicular cambium from parenchyma cells represents:
Redifferentiation
Dedifferentiation
Differentiation
Cell maturation