Nutrition in Animals - Class 7 - Science
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Extra Questions - Nutrition in Animals | Lakhmir Singh | Science | Class 7
Roshan wants to build his muscles, so he decided to join a gymnasium. What changes should Roshan make in his diet to build strong muscles?
A) Eat more carbohydrate-rich food.
B) Eat more vitamin-rich food.
C) Eat more protein-rich food.
D) Eat more fat-rich food.
The correct option is C: Eat more protein-rich food.
Proteins are essential nutrients needed by the body, especially for those aiming to increase their muscle mass. They are crucial for the repair and regeneration of body tissues, including muscles. Muscle fibers are primarily composed of proteins, which underline their importance in muscle development.
To build strong muscles, Roshan should focus on incorporating foods rich in protein such as low-fat meats, beans, and eggs into his diet. This will not only aid in muscle growth but also in the overall strengthening of his body tissues.
Butter is characterized as a:
A) Milk product B) Plant product C) Both of these D) None of these
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Sign up nowWhen animals forage through dump yards hoping to find something to eat, they are most likely to be afflicted with fluorosis.
Which of the following animals are most commonly associated with this disease?
A) Dogs
B) Cattle
C) Cats
D) Monkeys
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Sign up nowThe grazing animals like cows, buffaloes, etc. are known as:
A) Autotrophs
B) Ruminants
C) Omnivores
D) Carnivores
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Sign up nowHOTS - Nutrition in Animals | Lakhmir Singh | Science | Class 7
When food is put in our mouth, the teeth cut, chew and grind it. The glands A present in mouth secrete a watery liquid B which helps to digest component C present in the food partially. This partially digested food then passes through tube D into an organ E. The inner walls of organ E secrete mucus, hydrochloric acid and digestive juices.
(a) What are (i) A (ii) B (iii) C (iv) D, and (v) E?
(b) Name the component of food which is broken down by the digestive juices secreted by E.
(a) The organs and substances involved in the digestion process mentioned are:
(i) A - Salivary Glands
(ii) B - Saliva
(iii) C - Starch
(iv) D - Oesophagus (or Food Pipe)
(v) E - Stomach
(b) The component of food which is broken down by the digestive juices secreted by the stomach (E) is Proteins.
The partially digested food coming from the stomach enters into a long and narrow tube P. Here, liver secretes a liquid called $\mathrm{Q}$ which converts fats into tiny droplets. Pancreatic juice breaks down fats completely into $\mathrm{R}$ and $\mathrm{S}$. The intestinal juice breaks down the starch carbohydrate completely into $\mathrm{T}$ whereas proteins are broken down into U.
(a) What are (i) P (ii) Q (iii) R (iv) S (v) T, and (vi) U ?
(b) Name the sac in which liquid $\mathrm{Q}$ is stored temporarily.
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Sign up nowLong Questions - Nutrition in Animals | Lakhmir Singh | Science | Class 7
What is meant by digestion? Name the various organs of the human digestive system. Also name the associated glands. Draw a labelled diagram of the human digestive system.
Digestion is the process in which food containing large, insoluble substances is broken down into small, water-soluble substances that can be absorbed by the body. The various organs of the human digestive system include the mouth (buccal cavity), oesophagus (food pipe), stomach, small intestine, large intestine, rectum, and anus. The glands associated with the human digestive system are salivary glands, liver, and pancreas. These glands release digestive juices that help in breaking down the food.
What is meant by tooth decay? Name some of the foods which are the major cause of tooth decay. What are the various ways of preventing tooth decay?
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Sign up nowWhat is oral rehydration solution? How can you make the oral rehydration solution at home? When is it given to a person?
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Sign up nowMCQ - Nutrition in Animals | Lakhmir Singh | Science | Class 7
Which of the following foods is not obtained from plants?
(a) maize
(b) milk
(c) mango
(d) melon
Among the options given:
-
(a) Maize is a type of cereal grain, which is obtained from the plant species Zea mays.
-
(c) Mango comes from the mango tree, which is botanically known as Mangifera indica.
-
(d) Melon refers to fruits from various species of the Cucumis genus, which are types of plants.
-
(b) Milk, however, is not obtained from plants. It is a dairy product produced by the mammary glands of mammals, including cows, goats, and humans.
Therefore, the food that is not obtained from plants is:
(b) milk
The process of taking in food by an animal and its utilisation in the body is called :
(a) ingestion
(b) digestion
(c) nutrition
(d) egestion
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Sign up nowThe amino acids present in digested food in our body are used to make :
(a) fats
(b) proteins
(c) minerals
(d) carbohydrates
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Sign up nowIn human beings, the 16 teeth of each jaw consist of :
(a) 2 incisors, 4 canines, 4 premolars and 6 molars
(b) 4 incisors, 2 canines, 6 premolars and 4 molars
(c) 4 incisors, 2 canines, 4 premolars and 6 molars
(d) 2 incisors, 4 canines, 6 premolars and 4 molars
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Sign up nowShort Answers - Nutrition in Animals | Lakhmir Singh | Science | Class 7
(a) What is the role of mucus in stomach?
(b) What is the role of hydrochloric acid in stomach?
(a) The role of mucus in the stomach is to protect the lining of the stomach from its own secretions of hydrochloric acid. Without the mucus, the acid would damage the walls of the stomach, leading to ulcers.
(b) The role of hydrochloric acid in the stomach is two-fold: it kills any bacteria that may enter the stomach with food, ensuring a safer digestive process, and it creates an acidic environment which is necessary for the proper action of digestive juices on proteins, aiding in their breakdown into simpler substances.
What is alimentary canal? Name the various parts of alimentary canal and the associated glands.
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Sign up nowWhat are villi? Where are villi located? What is the function of villi?
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Sign up nowState the various functions of the tongue? Name four different tastes which can be detected by our tongue.
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Sign up nowVery Short Answers - Nutrition in Animals | Lakhmir Singh | Science | Class 7
What is the scientific name of the process of 'taking food into the body'?
The scientific name of the process of 'taking food into the body' is ingestion.
Name the substance which mixes with food in the mouth during chewing by teeth.
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Sign up nowAt what age do the milk teeth fall off in children ?
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Sign up nowWhat are the false feet of Amoeba known as?
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