11. Transportation in Animals and Plants Class 7 Science [LATEST] Solutions topic -4 in English - CBSE Study
NCERT Solutions for Class 7 Science are carefully prepared according to the latest CBSE syllabus and NCERT textbooks to help students understand every concept clearly. These solutions cover all important 11. Transportation in Animals and Plants with detailed explanations and step-by-step answers for better exam preparation. Each topic -4 is explained in simple language so that students can easily grasp the fundamentals and improve their academic performance. The study material is designed to support daily homework, revision practice, and final exam preparation for Class 7 students. With accurate answers, concept clarity, and structured content, these NCERT solutions help learners build confidence and score higher marks in their examinations. Whether you are revising a specific topic or preparing an entire chapter, this resource provides reliable and syllabus-based guidance for complete success in Science.
Class 7 English Medium Science All Chapters:
11. Transportation in Animals and Plants
4. topic -4
Extra Question:
Que: Name Some useful products or materials that are carried by blood.
Ans: Food, water and oxygen are the products that are carried by blood to every part of the body.
Que: circulatory system consists of three major organs. Nmae those organs.
Ans: the circulatory system consists of three major organs, blood, blood vessels and heart.
Que: Give the name of blood component which is liquid and contains 90% water.
Ans: The sticky liquid part of the bllod, containing 90% water is called plasma.
Que: Name the organ which is locted in the chest cavity with its lower tip slightly tilted towards the left.
Ans: The heart is located in the chest cavity with itsw lower tip slightly tilted towards the left.
Que: RBC contains a red colored pigment which carries oxyen with it. What is the pigment called?
Ans: The red colored pigment of RBC that carries oxygen with it is called haemoglobin.
Que: veins have valves which allow blood to flow only in one direction. Arteries do not have valves. yet the blood flow in one direstion only. Cn you explain why.
Ans: Veins have valves to prevent blood from flowing backwards and pooling, whereas arteries pump blood at very high pressures, whih naturally prevents back flow.
Que:In which from, the oxygen is transported to various body parts by heaemoglobin?
Ans: the red pigment, haemoglobin binds with oxygen to from oxyhaemoglobin which is transported to various body parts.
Que: Certain greenish - blue lines appear just belowthe skin of our hands and leg. What are these?
Ans: The greenish - blue lines that appear just below the skin of our hands and legs are veins.
Que: human blood group is divided into how many group? name them.
Ans: Human blood group is divided into four group. These are A,B, AB and O.
Que: Blood is a fluid connective tissue. Justify?
Ans: Blood is a fluid which connects all the parts of body with each other.
Que: State the function of valves?
Ans: Valves prevent the back flow of blood between chambers of heart.
Que:Skin is also considered as an excretory organ. Give reson if you agree?
Ans: Yes, skin is an excretory orgen as it secretes waste products by releasing sweat from the surface.
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