Class 7 Science
Question 1: What is a carnivorous animal? Give two examples.
Answer: Animals, which eat the flesh of other animals, are called carnivorous, e.g. lion, tiger.
Question 2: What is the function of the digestive juice secreted by the liver?
Answer: The digestive juice from the liver breaks up fat into tiny particles. This works in favor of easier digestion of fat.
Question 3: Name the organs that make up the alimentary canal.
Answer: Mouth, oesophagus, stomach, small intestine, large intestine and rectum compose the alimentary canal.
Question 4: Name the four types of teeth.
Answer: The four types of teeth are: Incisors, Canines, Premolars and Molars.
Question 5: Name the four compartments in a ruminant’s stomach.
Answer: Four compartments in a ruminant’s stomach are: Rumen, reticulum, omasum and abomasum.
Questions 1: Movement of food through alimentary canal is called by which of these terms?
Answer: (b) Peristalsis
Question 2: The liver produces which of these enzymes?
Answer: (d) None of these.
Question 3: Which of these is not a part of nutrition?
Answer: (b) Excretion.
Question 4: Digestive juice is not secreted by which of these organs?
Answer: (b) liver
Question 5: The walls of the large intestine absorb which of these?
Answer: (d) Water.
Question 6: Which of the following is not a part of ruminant stomach?
Answer: (b) Anus
Question 7: Bile is produced by which organ?
Answer: (c ) Liver
|Column A||Column B|
|(1) Villi||(A) Large intestine|
|(2) Hydrochloric acid||(B) Liver|
|(3) Bile||(C) Mouth|
|(4) Absorption of water||(D) Stomach|
|(5) Mastication||(E) Small intestine|
Answer: 1-E, 2-D, 3- B, 4- A, 5- C
Answer: (1) Pancreas, (2) taste receptor, (3) salivary gland, (4) heterotrophs
Answer: (1) F, (2) T, (3) T, (4) T, (5) F, (6) F, (7) T, (8) F
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