Learn Science Nutrition in Animals, Class 7 Science Nutrition in Animals Exercise, Free Online Nutrition in Animals Lessons

Class 7 Science Study Material

An Educational platform for Preparation and Practice Class 7. Kidsfront provide unique pattern of learning Science with free online comprehensive study material in the form of QUESTION & ANSWER for each Chapter of Science for Class 7. This study material help Class 7, Science students in learning every aspect of Nutrition in Animals. Students can understand Nutrition in Animals concept easily and consolidate their learning by doing Online Practice Tests on Science ,Nutrition in Animals chapter repeatedly till they excel in Class 7, Nutrition in Animals. Free ONLINE PRACTICE TESTS on Class 7, Nutrition in Animals comprise of Hundreds of Questions on Nutrition in Animals, prepared by the highly professionals team. Every repeat test of Nutrition in Animals will have new set of questions and help students to prepare themselves for exams by doing unlimited Online Test exercise on Nutrition in Animals. Attempt ONLINE TEST on Class 7,Science ,Nutrition in Animals in Academics section after completing this Nutrition in Animals Question Answer Exercise.

Unique pattern

Topic wise:Nutrition in Animals preparation in the form of QUESTION & ANSWER.
Evaluate preparation by doing ONLINE TEST of Class 7, Science ,Nutrition in Animals.
Review performance in PRACTICE TEST and do further learning on weak areas.
Attempt repeat ONLINE TESTS of Science Nutrition in Animals till you excel.
Evaluate your progress by doing ONLINE MOCK TEST of Class 7, Science , All TOPICS.

Nutrition in Animals

The structure which increases the surface area in small intestine is

a) Villi.
b) Pseudopodia.
c) Tentacles.
d) Alveoli.

✔Answer

✔Solution

Correct Answer Is : Villi.

Solution Is : There are many finger-like out growths called villi inside the small intestine of the alimentary canal, which help in proper absorption of the digested food.

Digestion of food takes place in

a) Mouth, small intestine.
b) Mouth, large intestine.
c) Mouth, anus.
d) Mouth, rectum.

✔Answer

✔Solution

Correct Answer Is : Mouth, small intestine.

Solution Is : The process of digestion starts in the mouth and ends in small intestine. From the mouth, the food passes through a food canal called alimentary canal.

Various steps of human nutrition are in the following order

a) Ingestion, egestion, digestion, absorption and assimilation.
b) Ingestion, egestion, assimilation, absorption and assimilation.
c) Ingestion, assimilation, digestion, absorption and egestion.
d) Ingestion, digestion, absorption, assimilation and egestion.

✔Answer

✔Solution

Correct Answer Is : Ingestion, digestion, absorption, assimilation and egestion.

Solution Is : Ingestion is the taking in of food. Digestion is the process of breaking down of food into simple, soluble molecules. Absorption is the process by which digested food enters the blood. Assimilation is the process by which the food is carried by the blood, to be utilized by the body. Egestion is the final process by which the undigested food is thrown out of the body.

Bile is secreted by the

a) Stomach.
b) Small intestine.
c) Pancreas.
d) Liver.

✔Answer

✔Solution

Correct Answer Is : Liver.

Solution Is : The food is mixed well with enzymes produced in the walls of the small intestine, bile from liver and pancreatic juice from the pancreas.

The length of small intestine is about

a) 6m - 7m.
b) 7m - 8m.
c) 8m - 9m.
d) 9m - 10m.

✔Answer

✔Solution

Correct Answer Is : 6m - 7m.

Solution Is : The slushy (semi-liquid) food enters a long, coiled tube called the small intestine. This is the longest (about 6 m) part of the alimentary canal. Most of the digestion and absorption of food takes place in the small intestine.

The function of hydrochloric acid in the stomach is to

a) Digest carbohydrates.
b) Clean the stomach.
c) Kill the germs.
d) Break down proteins.

✔Answer

✔Solution

Correct Answer Is : Kill the germs.

Solution Is : The acids in the digestive juices kill the germs and pepsin, which helps in breaking down of proteins.

Gland in the walls of the stomach secretes an enzyme called

a) Amylase.
b) Trypsin.
c) Pepsin.
d) Serotonin.

✔Answer

✔Solution

Correct Answer Is : Pepsin.

Solution Is : Glands in the wall of the stomach secrete a digestive juice, which contains an acid and an enzyme called pepsin.

Stomach secretes

a) Concentrated hydrochloric acid.
b) Dilute sulphuric acid.
c) Dilute citric acid.
d) Dilute nitric acid.

✔Answer

✔Solution

Correct Answer Is : Concentrated hydrochloric acid.

Solution Is : The stomach secretes a juice called gastric juice and an acid (HCl).The pH of the acid is 1-2.

The glands situated in the mouth that secrete amylase enzyme are called

a) Salivary glands.
b) Pituitary glands.
c) Hypothalamus glands.
d) Extra cellular gland.

✔Answer

✔Solution

Correct Answer Is : Salivary glands.

Solution Is : There are three pairs of salivary glands in our mouth. These glands secrete watery material called saliva. Saliva helps in digestion of food. Saliva contains an enzyme called amylase (also called ptyalin).

The salivary glands secrete

a) Amylase.
b) Pepsin.
c) Trypsin.
d) Bile.

✔Answer

✔Solution

Correct Answer Is : Amylase.

Solution Is : There are three pairs of salivary glands in our mouth. These glands secrete a watery material called saliva. Saliva helps in the digestion of food. Saliva contains an enzyme called amylase (also called ptyalin).

❑Acids, Bases and Salts
❑Nutrition in Animals
❑Motion and Time
❑Light
❑Heat
❑Forests- Our Lifeline
❑Fibre to Fabric
❑Weather Climate and Adaptations of Animals to Climate
❑Water A Precious Resource
❑Waste Water Story
❑Transportation in Animals and Plants
❑Soil
❑Reproduction in Plants
❑Electric Current And Its Effects
❑Respiration in Organisms
❑Nutrients in Plants
❑Physical and Chemical Changes

Coloring With Vigor

Stories & Rhymes

Exploration

English

Maths

Puzzles

Class 7 Science Study Material

Nutrition in Animals

The structure which increases the surface area in small intestine is

Correct Answer Is : Villi.

Solution Is : There are many finger-like out growths called villi inside the small intestine of the alimentary canal, which help in proper absorption of the digested food.

Digestion of food takes place in

Correct Answer Is : Mouth, small intestine.

Solution Is : The process of digestion starts in the mouth and ends in small intestine. From the mouth, the food passes through a food canal called alimentary canal.

Various steps of human nutrition are in the following order

Correct Answer Is : Ingestion, digestion, absorption, assimilation and egestion.

Bile is secreted by the

Correct Answer Is : Liver.

Solution Is : The food is mixed well with enzymes produced in the walls of the small intestine, bile from liver and pancreatic juice from the pancreas.

The length of small intestine is about

Correct Answer Is : 6m - 7m.

Solution Is : The slushy (semi-liquid) food enters a long, coiled tube called the small intestine. This is the longest (about 6 m) part of the alimentary canal. Most of the digestion and absorption of food takes place in the small intestine.

The function of hydrochloric acid in the stomach is to

Correct Answer Is : Kill the germs.

Solution Is : The acids in the digestive juices kill the germs and pepsin, which helps in breaking down of proteins.

Gland in the walls of the stomach secretes an enzyme called

Correct Answer Is : Pepsin.

Solution Is : Glands in the wall of the stomach secrete a digestive juice, which contains an acid and an enzyme called pepsin.

Stomach secretes

Correct Answer Is : Concentrated hydrochloric acid.

Solution Is : The stomach secretes a juice called gastric juice and an acid (HCl).The pH of the acid is 1-2.

The glands situated in the mouth that secrete amylase enzyme are called

Correct Answer Is : Salivary glands.

Solution Is : There are three pairs of salivary glands in our mouth. These glands secrete watery material called saliva. Saliva helps in digestion of food. Saliva contains an enzyme called amylase (also called ptyalin).

The salivary glands secrete

Correct Answer Is : Amylase.

Solution Is : There are three pairs of salivary glands in our mouth. These glands secrete a watery material called saliva. Saliva helps in the digestion of food. Saliva contains an enzyme called amylase (also called ptyalin).

Other Topics

Kids Learning

Academics

Competitive Exams

Govt. Jobs Exams