With refernce to human repiration which is correct ?

With reference to human·respiration which is correct?

Repiration is carried out by

Which of the following statement about human population is correct ?

With refernce to above graph, which of the following is/are incorrect ?

Which of the following statements about reproduction in humans is correct?

Which of following sequence followed in human embryology is correct ?

Which is correct about human brain?

What is the site of ETS in repiration ?

Why type of flower with refernce to symmetry, is found in Fabaceae?

Write the answers of the question with refernce to the structure of the periodic table. which points are considered for the arrangement of the Modern period table?