Question
Biology Question on Transport in Plants
Which of the following statement is true
A
Vessels are multicellular and with wide lumen
B
Tracheids are multicellular and with narrow lumen
C
Vessels are unicellular and with narrow lumen
D
Tracheids are unicellular and with wide lumen
Answer
Tracheids are multicellular and with narrow lumen
Explanation
Solution
The correct option is (B) : Tracheids are multicellular and with narrow lumen
The set of natural numbers is 1, 2, 3,. The set of whole numbers is 0,1,2,3,..... Every natural number is undoubtedly a whole number.