Mineral Nutrition In Plants Question 133
Question: Assertion : Deficiency of sulphur causes chlorosis in plants. Reason : Sulphur is a constituent of chlorophyll, proteins and nucleic acids. [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 not the constituent of chlorophyll.
The main constituent of chlorophyll is magnesium.
BETA
