Chlorosis occurs due to the lack of:
Correct answer: B. Magnesium and nitrogen
- A. Growth
- B. Magnesium and nitrogen
- C. Yellowing of leaf margin
- D. Width of leaf
Explanation
The deiciencies of some elements cause serious diseases showing clear symptoms. For example nitrogen deiciency in soil results in the stunted growth and strong chlorosis (lack of chlorophyll) particularly in older leaves. Deiciency of phosphorus causes stunted growth of roots. Soil deicient in potassium causes leaf margins yellow and brown in colour and premature death of the plant. Deiciency of magnesium results in chlorosis.
Report an error
The more specific you are, the faster it gets fixed. A source beats an opinion.
Prefer email? [email protected]
About Digestion
The human digestive system covers the organs from mouth to anus, the movement of food, and the mechanical and chemical breakdown of carbohydrates, proteins and fats. It also includes the roles of digestive enzymes, bile, absorption through intestinal villi, and the assimilation of nutrients by body cells.
Practise Digestion
680 free Digestion MCQs from Biology, each with the correct answer and an explanation. Unlimited attempts, no account needed.
Discussion
Stuck on an option, or know a faster way to get there? Ask or explain it here.
No comments yet. Be the first to explain this one.
Exams that ask Biology questions like this
Biology is on 8 papers prepared for on TestUstad, and all of them draw the same bank, so this question is worth knowing for every one of them.
More Digestion questions
The diagram shows some organs of the digestive system. Where is amylase present?
The hepatic portal vein is located between the:
Food enters from stomach into small intestine through:
The sum total of all processes involved in the taking and utilization of elements by which growth,repair and maintenance of activities in the organism are accomplished is called _
What is an example of symbiotic nutrition?
The animals which eat both plant and animal foods are called: