UHA Biology

  UHA Biology  Notes  9th Class             Chapter-9   Important short Question:  1. What is meant by the cardiac cycle? کارڈیک سائیکل سے کیا مراد ہے؟ Ans: The alternation relaxation and contraction make up the cardiac cycle. One complete cardiac makes one heartbeat. ت بدیلی میں نرمی اور سکڑاؤ کارڈیک سائیکل بناتا ہے۔ ایک مکمل کارڈیک ایک دل کی دھڑکن بناتا ہے۔ 2. What is the importance of transpiration? Ans: Transpiration is a beneficial process in the sense that creates a pulling force are called transpiration pull, which is responsible for the conduction of water and salts from root to upperparts. ٹرانسپائریشن اس معنی میں ایک فائدہ مند عمل ہے جو کھینچنے والی قوت پیدا کرتا ہے جسے ٹرانسپیریشن پل کہتے ہیں، جو پانی اور نمکیات کو جڑ سے اوپری حصوں تک پہنچانے کا ذمہ دار ہے ۔ 3. What is meant by human blood plasma? Ans: Plasma is primarily water in which proteins, salts metabolites, and wastes are dissolved. Water constitutes 90 to 92% of...

  UHA Biology  Notes  9th Class             Chapter-8   Important short Question:  1.Write brief notes in carbohydrates and portion ? Ans: Carbohydrates:                              Carbohydrates are the basic source of energy for all animals. About half to 2/3 of the total calories every animals consumes daily are from carbohydrates. Glucose is the most often used carbohydrates for energy. Other useful carbohydrates are maltose, lactose, sucrose and starch. Carbohydrates contain 04 kilocalories per gram. Humans get carbohydrates from the foods like bread, pastas, beans, potatoes, bran ,rice and cereals. Proteins:                 Proteins are composed of amino acids. Proteins are essential components of the cytoplasm, membranes and organelles. They are also the major components o...

  UHA Biology  Notes  9th Class             Chapter-7   Important short Question: 

  UHA Biology  Notes  9th Class             Chapter-6   Important short Question: 

  UHA Biology  Notes  9th Class             Chapter-5   Important short Question: