Anatomy Of Flowering Plants Question 132
Question: A dendrochronologist observed total 22 ring of spring wood and autumn wood in a dicot stem in 1998. How many annual rings will be observed by him in 2007?
Options:
A) 21
B) 25
C) 20
D) 30
Show Answer
Answer:
Correct Answer: C
Solution:
[c] In 1998, 22 rings are observed which means 11 rings of spring wood and 11 of autumn wood i.e., 11 annual rings are there.
From 1998 to 2007 in 9 years, 9 more annual rings are formed hence, total number of annual rings in 2007 will be 11+9-20.
BETA
