Mineral Nutrition In Plants Question 133
Assertion : Deficiency of sulphur causes chlorosis in plants. Reason : Sulphur is a constituent of proteins and nucleic acids but not chlorophyll. [AIIMS 2004]
Options:
A) If both the assertion and the reason are true and the reason is a correct explanation of the assertion
B) If both the assertion and reason are true but the reason is not a correct explanation of the assertion
C) If the assertion is true but the reason is false
D) If both the assertion and reason are false
Show Answer
Answer:
Correct Answer: C
Solution:
Due to deficiency of sulphur plant shows chlorosis (i.e., yellowing due to degradation of chlorophyll) followed by anthocyanin development.
The younger leaves show chlorosis before older ones.
Sulphur is a constituent of chlorophyll.
The main constituent of chlorophyll is magnesium.
BETA
