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CBSE Class 7 Science Chapter 9 Life Processes in Animals Worksheet - Free Download
Q.1. True/False
(i) Digestion of starch starts in the stomach.
(ii) The tongue helps in mixing food with saliva.
(iii) The gall bladder temporarily stores bile.
(iv) The ruminants bring back swallowed grass into their mouth and chew it for some time.
(v) We chew the food with the teeth and break it down mechanically into small pieces.
(vi) Large intestine receives digested and absorbed food.
Q.2. Fill in the blanks.
(i) The main steps of nutrition in humans are ____, ____, ____, ____ and ____.
(ii) The largest gland in the human body is ____.
(iii) The stomach releases hydrochloric acid and ____ juices which act on food.
(iv) The inner wall of the small intestine has many finger-like outgrowths called ____.
(v) Amoeba digests its food in the food ____.
(vi) We chew the food with the ____ and break it down mechanically into small pieces.
Answer the following Question
Q.3. Where are fats digested in the body?
Q.4. What kills bacteria that enter along with the juices to act?
Q.5. Where are faeces formed in the human body?
Q.6. Where food is absorbed in our body?
Q.7. Where faeces are stored?
Q.8. What does saliva do to food in our mouth?
Q.9. What is rumen?
Q.10. What does animal nutrition include?
Q.11. What are the different modes of feeding in animals?
Q.12. What are ruminant animals?
Q.13. What do pancreatic juices digest?
Q.14. What do you mean by rumination?
Q.15. What are the main steps involved in the process of respiration in animals?
For Worksheet Solutions, go to Worksheet Solutions: Life Processes in Animals
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FAQs on CBSE Class 7 Science Chapter 9 Life Processes in Animals Worksheet - Free Download
| 1. What are the main life processes in animals? |  |
Ans. The main life processes in animals include nutrition, respiration, circulation, excretion, movement, and reproduction. These processes are essential for the survival and functioning of animals, allowing them to obtain energy, grow, and reproduce.
| 2. How do animals obtain nutrition? | |
Ans. Animals obtain nutrition through various means such as herbivory, carnivory, or omnivory. Herbivores eat plants, carnivores consume other animals, and omnivores eat both plants and animals. The food is then broken down in the digestive system to extract nutrients.
| 3. What is the role of respiration in animals? | |
Ans. Respiration is the process by which animals take in oxygen and release carbon dioxide. This exchange is crucial for cellular respiration, which allows cells to produce energy. Different animals have adapted various respiratory systems, including lungs, gills, or skin.
| 4. Why is circulation important in animals? | |
Ans. Circulation is important because it transports oxygen, nutrients, hormones, and waste products throughout the body. A well-functioning circulatory system ensures that all cells receive the necessary substances for survival and can effectively dispose of waste.
| 5. How do animals reproduce? | |
Ans. Animals reproduce either sexually or asexually. Sexual reproduction involves the combination of genetic material from two parents, leading to genetic diversity. Asexual reproduction involves a single organism producing offspring that are genetically identical to itself. Different species have unique reproductive strategies.
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