2. Nutrition in Animals Class 7 Science [LATEST] Solutions Additional Questions with Solutions 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 2. Nutrition in Animals with detailed explanations and step-by-step answers for better exam preparation. Each Additional Questions with Solutions 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:
2. Nutrition in Animals
3. Additional Questions with Solutions
Short Answered Questions:
Ques:– What is digestion?
Ans:- The breakdown of complex components of food into simpler substances is called digestion.
Ques:- Name the various parts of digestive system.
Ans:- (i) Buccal cavity (ii) food pipe or oesophagus (iii) stomach (iv) small intestine (v) large intestine (vi) rectum (vii) anus
Ques:- By which process amoeba take its food?
Ans:- Endocytosis (engulfing)
Ques:- By the help of which organ does amoeba move?
Ans:- Pseudopodia.
Ques:- What is similar in amoeba and human?
Ans:- Both digest the food.
Ques:- What is absorption?
Ans:- The digested food passes into the blood vessels in the wall of the intestine. This process is called absorption.
Ques:- What is called the process of taking food into the body?
Ans:- Ingestion.
Ques:- Name the substance which breaks down the starch into sugars.
Ans:- Saliva.
Ques:-Where is saliva secreted From?
Ans:- Saliva is secreted from salivary glands situated in the mouth.
Ques:- Name the cavity in which teeth and tongue are situated.
Ans:- Buccal cavity.
Ques:- Write the various types of teeth.
Ans:- (i) Incisor (ii) Canine (iii) Premolar (iv) Molar
Ques:- Which teeth are used for chewing and grinding?
Ans:- Premolar and Molar.
Ques:- Which teeth are used for cutting and biting?
Ans:- Incisor.
Ques:- Which teeth are used for piercing and tearing?
Ans:- Canine.
Ques:- What substance causes tooth decay?
Ans:- acids.
Ques:- Write the cause of diarrhoea.
Ans:- It is caused by infection, food poisoning or indigestion.
Ques:- What is rumen?
Ans:- The grass eating animal quickly swallow the grass and store it in a part of the stomach called rumen.
Ques:- What is cud?
Ans:- When food gets partially digested and is called cud.
Ques:- What are ruminants?
Ans:- In the grass eating animal, cud returns to the mouth in small lumps and the animal chews it. This process is called ruminants.
Ques:- Name the carbohydrate that can’t be digested by the human?
Ans:- Cellulose
Ques:- What substances are secreted by inner lining of stomach?
Ans:- Mucous, hydrochloric acid and digestive juice.
Ques:- Name the movement which occurs during swallowing through oesophagus.
Ans:- Peristalsis movement.
Ques:- Name the largest gland in the body.
Ans:- Liver.
Ques:- Name the substances which are secreted by liver.
Ans:- Bile juice.
Ques:- Name the sac in which the bile juice is stored.
Ans:- Gall Bladder.
Ques:- Name the substance which plays an important role in digestion of fats.
Ans:- Bile juice.
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