Question

Deficiency of which essential element causes yellowing of leaves in certain plants and why?

Answer 1

Answer:

chlorophyll

Explanation:

chlorophyll is the pigment which gives green colour to the plants and is essential in trapping sunlight for the photosynthesis. Absence of cholorophyll causes lack of sunlight and thereby no photosynthesis takes place and leaves die...and gets yellow coloures

Answer 2

Dear Student,

● Answer -

Deficiency of iron leads to yellowing of leaves.

◆ Explanation -

• Iron is needed to produce chlorophyll in plants.
• Deficiency of iron leads to absnet chlorophyll called chlorosis.
• Chlorosis results in yellowing of leaves.

● Extra information -

• Iron is micronutrient for plants as it is required in small quantities for normal growth and development of plant.
• Iron is important part of enzymes helping in their activation.

Thanks dear. Hope this helps you...