TEXTBOOK EVALUATION
Tamil Nadu Board Science Solutions for Exercise - TEXTBOOK EVALUATION
Simple step-by-step solutions to TEXTBOOK EVALUATION questions of Transportation in Plants and Circulation in Animals from Science Standard 10. Also get 3D topic explainers, cheat sheets, and unlimited doubts solving on EMBIBE.
Questions from TEXTBOOK EVALUATION with Hints & Solutions
Normal blood pressure is _____.
The normal human heartbeat rate is about _____ time per minute.
State whether true or false. If false, write the correct statement.
When guard cells lose water the stoma opens.
State whether true or false. If false, write the correct statement.
Initiation and stimulation of heart beat take place by nerves.
State true or false. If false, write the correct statement.
All veins carry deoxygenated blood.
State whether true and false. If false, write the correct statement.
WBC defend the body from bacterial and viral infections.
State whether true or false. If false, write the correct statement.
The closure of the mitral and tricuspid valves at the start of the ventricular systole produces the first sound ‘LUBB’.
Give reasons for the following statements
Minerals cannot be passively absorbed by the roots.
