Chapter 2- Nutrition in Animals - 1

  • Chapter 2- Nutrition in Animals - 1

    • Nutrition in Animals – Questions Page

      Nutrition in Animals

      Q1. Fill in the blanks.

                                  i.        The main steps of nutrition in humans are ingestion, digestion,

      absorption, assimilation and egestion.

                                ii.        The largest gland in the human body is liver.

                               iii.        The stomach releases hydrochloric acid and digestive juices which act on food.

                               iv.        The inner wall of the small intestine has many finger-like outgrowths called villi.

                               v.        Amoeba digests its food in the food vacuole.

                              vi.        We chew the food with the teeth and break it down mechanically into small pieces.

       

      Q2. True/False

                                i.        Digestion of starch starts in the stomach. False

                               ii.        The tongue helps in mixing food with saliva. True

                              iii.        The gall bladder temporarily stores bile. True

                              iv.        The ruminants bring back swallowed grass into their mouth and chew it for some time. True

                              v.        We chew the food with the teeth and break it down mechanically into small pieces. True

                             vi.        Large intestine receives digested and absorbed food. False



      Q3. What is the organ that stores bile?

      Ans. Gall bladder

       

      Q4. Which part of the digestive canal is involved in killing bacteria?

      Ans. Stomach

       

      Q5. Name the part of digestive canal involved in chewing of food.

      Ans. Mouth

       

      Q6. Where are fats digested in the body?

      Ans. Fats are mainly digested in the small intestine.

       

      Q7. Where is the water from undigested food absorbed in the body?

      Ans. Water from undigested food is absorbed in the body in large intestine.

       

      Q8. What kills bacteria that enter along with the juices to act?

      Ans. The acid kills many bacteria that enter along with the juices to act.


      Q9. Where food is completely digested?

      Ans. The food is completely digested in the small intestine.

       

      Q10. Where are faeces formed in the human body?

      Ans. Faeces are formed in the human body in large intestine.

       

      Q11. Which glands secrete saliva?

      Ans. Salivary glands secrete saliva.

       

      Q12. Where food is absorbed in our body?

      Ans. Absorption of food takes place in small intestine.

       

      Q13. Which gland in our body secretes bile?

      Ans. Bile is a digestive juice that is secreted by the liver.

       

      Q14. Where faeces are stored?

      Ans. Faeces are stored in rectum.


      Q15. What are the end products of carbohydrate?

      Ans. The carbohydrates get broken into simple sugars such as glucose.

       

      Q16. Name the end products of fats.

      Ans. Fatty acids and Glycerol

       

      Q17. Write the end products of proteins.

      Ans. Amino acids

       

      Q18. What causes diarrhoea in human beings?

      Ans. It may be caused by an infection, food poisoning or indigestion.

       

      Q19. Which is the largest gland in the human body?

      Ans. Liver is the largest gland in human body.

       

      Q20. What is ingestion?

      Ans. The process of taking food into the body is called ingestion.

       

      Q21. What are the different types of teeth?

      Ans. We have different types of teeth: incisor, canine, premolar and molar.

       

      Q22. What does saliva do to food in our mouth?

      Ans. The saliva breaks down the starch into sugars.

       

    • Nutrition in Animals Worksheet 3 File 156.7KB PDF document

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