Biology
Class 10
Lakhmir Singh
1
Chapter 1: Life Processes
281 questions
Q1
Question 66:
(a) What are herbivores, carnivores and omnivores? Give two examples of each.
(b) Classify the following into herbivores, carnivores and omnivores:
Lion, Man, dog, Goat, Crow, Elephant, Snake, Hawk, Rabbit, Deer
(c) Name the five steps which occur in the process of nutrition in animals.
(b) Classify the following into herbivores, carnivores and omnivores:
Lion, Man, dog, Goat, Crow, Elephant, Snake, Hawk, Rabbit, Deer
(c) Name the five steps which occur in the process of nutrition in animals.
Q2
Question 70:
(a) Name the main organs of the human digestive system. Also name the associated glands.
(b) How do carbohydrates, fats and proteins get digested in human beings?
(b) How do carbohydrates, fats and proteins get digested in human beings?
Q3
Question 71:
Which of the following has the longest small intestine?
(a) carnivore
(b) omnivore
(c) herbivore
(d) autotroph
View all question(a) carnivore
(b) omnivore
(c) herbivore
(d) autotroph
2
Chapter 2: Control and Coordination
182 questions
3
Chapter 3: How do Organism Reproduce?
183 questions
4
Chapter 4: Heredity and Evolution
145 questions
5
Chapter 5: Our Environment
141 questions
6
Chapter 6: Management of Natural Resources
70 questions
Question
Question 70:
(a) Name the main organs of the human digestive system. Also name the associated glands.
(b) How do carbohydrates, fats and proteins get digested in human beings?
Views: 5,670 students
Text solution
Verified
Answer:
(a) The main organs of human digestive system are mouth, oesophagus, stomach, small intestine, large intestine and anus. The associated glands are salivary glands, liver and pancreas.
(b) Carbohydrates are digested by the enzyme, salivary amylase, present in the saliva. As food enters the mouth cavity, it gets mixed with the saliva, which contains salivary amylase. This enzyme helps in the digestion of starch.
The enzyme, pancreatic amylase, is secreted by the pancreas. This enzyme reaches the small intestine and digests the carbohydrates.
Proteins are digested by the enzyme, pepsin, that is secreted in the stomach by the glands presents in its walls. Trypsin is secreted by the pancreas. This enzyme reaches the small intestine and digests the proteins.
Fats are digested by the enzyme, lipase, that is secreted by the pancreas and the bile juice that is secreted by the liver. These two act on the fats in the small intestine.
(b) Carbohydrates are digested by the enzyme, salivary amylase, present in the saliva. As food enters the mouth cavity, it gets mixed with the saliva, which contains salivary amylase. This enzyme helps in the digestion of starch.
The enzyme, pancreatic amylase, is secreted by the pancreas. This enzyme reaches the small intestine and digests the carbohydrates.
Proteins are digested by the enzyme, pepsin, that is secreted in the stomach by the glands presents in its walls. Trypsin is secreted by the pancreas. This enzyme reaches the small intestine and digests the proteins.
Fats are digested by the enzyme, lipase, that is secreted by the pancreas and the bile juice that is secreted by the liver. These two act on the fats in the small intestine.
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Practice more questions from Biology (Lakhmir Singh)
Q1
Question 66:
(a) What are herbivores, carnivores and omnivores? Give two examples of each.
(b) Classify the following into herbivores, carnivores and omnivores:
Lion, Man, dog, Goat, Crow, Elephant, Snake, Hawk, Rabbit, Deer
(c) Name the five steps which occur in the process of nutrition in animals.
(b) Classify the following into herbivores, carnivores and omnivores:
Lion, Man, dog, Goat, Crow, Elephant, Snake, Hawk, Rabbit, Deer
(c) Name the five steps which occur in the process of nutrition in animals.
Q2
Question 70:
(a) Name the main organs of the human digestive system. Also name the associated glands.
(b) How do carbohydrates, fats and proteins get digested in human beings?
(b) How do carbohydrates, fats and proteins get digested in human beings?
Q3
Question 71:
Which of the following has the longest small intestine?
(a) carnivore
(b) omnivore
(c) herbivore
(d) autotroph
View all(a) carnivore
(b) omnivore
(c) herbivore
(d) autotroph
Practice questions from Biology (Lakhmir Singh)
Question 2
Views: 5,242
(a) All green plants are ....................
(b) All non-green plants and animals are ....................
(c) Heterotrophs depend on .................... and other .................... for food.
(d) Green plants use .................... and .................... to make food.
(d) Iodine turns blue-black on reacting with ....................
Question 3
Views: 5,589
(a) small intestine
(b) oesophagus
(c) mouth
(d) stomach
Practice more questions from Life Processes
Question 3
Views: 5,537
(b) What will happen to the rate of photosynthesis on a plant under the following circumstances?
(i) cloudy day in morning but bright sunshine in the afternoon
(ii) no rainfall in the area for a considerable time.
(iii) gathering of dust on the leaves
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| Question Text |
Question 70:
(a) Name the main organs of the human digestive system. Also name the associated glands. (b) How do carbohydrates, fats and proteins get digested in human beings? |
| Updated On | Jun 11, 2022 |
| Topic | Life Processes |
| Subject | Science |
| Class | Class 10 |
| Answer Type | Text solution:1 Video solution: 1 |
| Upvotes | 182 |
| Avg. Video Duration | 1 min |
