Name the alkaloid present in the root of Catharanthus (Nayantara) helpful in removing obstacles in blood circulation in brain?

Name two alkaloid present in Catharanthus helpful in treatement of Cancer?

How are alkaloids present in Catharanthus useful?

Name the protein present in Red Blood Corpuscle?

Name the agglutinius present in the serum of O blood groups?

Name a plant in which stilt root is present.

Name the most abundant amino acid present in colostrum which helps in brain development in children.

Write the name of a protein that helps in the blood coagulation process.

Name some natural pigments which are present in plants . How are they helpful to us?

Given below are four statements [1-4] regarding human blood circulatery system. 1.angina is acute chest pain when the blood circulation to the brain is reduced. 2.calcium ions play a very important role in blood clotting. 3.persons with blood group AB can donate blood to any person with any blood group under ABO system. 4.arteries are thick - walled and have narrow lumen as compared to veins. Which of these statements are correct?

Given below are four statements (i-iv) regarding human blood circulatory system (i) Arteries are thick-walled and have narrow lumen as compared to veins (ii) Angina is acute chest pain when the blood circulation to the brain is reduced (iii) Persons with blood group AB can donate blood to any person with any blood group under ABO system (iv) Calcium ions play a very important role in blood clotting Which two of the above statements are correct ?