Home › Tamil Nadu SSLC (Class 10) › Biology › Transportation in Plants and Circulation in Animals › Root hairs that absorb water and minerals from t…
Root hairs that absorb water and minerals from the soil are best described structurally as which of the following?
AThick-walled cortical cells
BMulticellular branches of xylem
CSlender extensions of epidermal cells
DHollow tubes of the phloem
Answer & Solution
Correct answer: C. Slender extensions of epidermal cells
1. Root hairs increase surface area for absorption at the root tip.
2. They are thin-walled, not thick-walled, ruling out option A.
3. They are not part of xylem or phloem, ruling out options B and D.
4. They are slender extensions of epidermal cells, option C.
_Source: Samacheer Kalvi (TN SCERT) Class 10 Science, Unit 14 Transportation in Plants and Circulation in Animals "Root Hair-Water Absorbing Unit", p.208_
Related questions
The colourless fluid that drains from intercellular spaces, resembles plasma but has fewerA person with AB blood group is called a universal recipient. What feature of their plasmaAn accident victim needs urgent transfusion but their blood group is unknown. The group whIn a healthy resting adult, blood pressure is normally expressed as 120 mm/80 mm Hg. The fThe first heart sound, 'LUBB', which is of longer duration, is produced at the start of veOne complete cardiac cycle lasts about 0.8 second. Within this cycle, the contraction of tA specialised patch of muscle in the wall of the right atrium starts each heartbeat on itsThe circulation in which oxygenated blood travels from the left ventricle to the body orga