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Olympiad Test: Nutrition in Animals


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20 Questions MCQ Test Science & Technology for UPSC CSE | Olympiad Test: Nutrition in Animals

Olympiad Test: Nutrition in Animals for UPSC 2023 is part of Science & Technology for UPSC CSE preparation. The Olympiad Test: Nutrition in Animals questions and answers have been prepared according to the UPSC exam syllabus.The Olympiad Test: Nutrition in Animals MCQs are made for UPSC 2023 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Olympiad Test: Nutrition in Animals below.
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Olympiad Test: Nutrition in Animals - Question 1

The semi-solid mass which is produced after thoroughly mix up of food and gastric juice is called

Detailed Solution for Olympiad Test: Nutrition in Animals - Question 1

The stomach stores the food for 4-5 hours. The food mixes thoroughly with the acidic gastric juice of the stomach by the churning movements of its muscular wall and is called the chyme. 

The proenzyme pepsinogen, on exposure to hydrochloric acid gets converted into the active enzyme pepsin, the proteolytic enzyme of the stomach. Pepsin converts proteins into proteoses and peptones (peptides).

Olympiad Test: Nutrition in Animals - Question 2

Which of the following component of food do not provide energy of body building?

Detailed Solution for Olympiad Test: Nutrition in Animals - Question 2

Roughage is a component of food which do not provides energy or help in body building. Roughage helps in movement of food in alimentary canal.

Olympiad Test: Nutrition in Animals - Question 3

The type of digestion which takes place within the cell is termed as

Detailed Solution for Olympiad Test: Nutrition in Animals - Question 3

The mode of digestion which takes place inside the cell is called as intracellular digestion. Most of multicellular organism digest food inside the cell.

 Intracellular digestion takes place in animals without a digestive tract, in which food items are brought into the cell for digestion.

Olympiad Test: Nutrition in Animals - Question 4

In amoeba, digestion of food takes place inside

Detailed Solution for Olympiad Test: Nutrition in Animals - Question 4

The mode of nutrition in amoeba is holozoic. Amoeba digests the food inside food vacuole that contain enzyme for digestion.

Olympiad Test: Nutrition in Animals - Question 5

Which one is the largest gland in the human body?

Detailed Solution for Olympiad Test: Nutrition in Animals - Question 5

Liver is the largest gland in the human body. Liver secretes bile juice that contains bile salt. Emulsification of fat occurs by the action of bile salt.

Olympiad Test: Nutrition in Animals - Question 6

Saliva is released from

Detailed Solution for Olympiad Test: Nutrition in Animals - Question 6

Saliva is released from salivary gland present in mouth. Saliva contains salivary amylase that helps in digestion of starch.

Olympiad Test: Nutrition in Animals - Question 7

The inner walls of the small intestine have millions of small finger like projections called

Detailed Solution for Olympiad Test: Nutrition in Animals - Question 7

The interior walls of the small intestine are tightly wrinkled into projections called circular folds that greatly increase their surface area. Microscopic examination of the mucosa reveals that the mucosal cells are organized into finger-like projections known as villi, which further increase the surface area.

Olympiad Test: Nutrition in Animals - Question 8

The sharp teeth used for tearing food is called

Detailed Solution for Olympiad Test: Nutrition in Animals - Question 8

Canines are sharp teeth used for tearing food. Canine is more prominent in carnivores to tear the meat.

Olympiad Test: Nutrition in Animals - Question 9

The process of chewing of food is called

Detailed Solution for Olympiad Test: Nutrition in Animals - Question 9

The process of chewing food is called mastication. Teeth and tongue help in mastication of food.

Olympiad Test: Nutrition in Animals - Question 10

Longest part of human alimentary canal is

Detailed Solution for Olympiad Test: Nutrition in Animals - Question 10

Human alimentary canal is about 9 meter long. Small intestine forms the largest part of meet. Most of digestion takes place in small intestine.

Olympiad Test: Nutrition in Animals - Question 11

The movement of food in food pipe is called

Detailed Solution for Olympiad Test: Nutrition in Animals - Question 11

The movement o food by regular contraction and expansion of food pipe is called peristaltic movement.

Olympiad Test: Nutrition in Animals - Question 12

Bile is secreted from

Detailed Solution for Olympiad Test: Nutrition in Animals - Question 12

Bile is secreted from liver that contain bile salt. Bile salt helps in emulsification of fat.

Olympiad Test: Nutrition in Animals - Question 13

Biological catalyst that breakdown the food into simpler form is called

Detailed Solution for Olympiad Test: Nutrition in Animals - Question 13

Enzymes are biological catalyst that breakdown the complex food into simple form. Enzymes are released from exocrine glands.

Olympiad Test: Nutrition in Animals - Question 14

Small intestine contain small finger-like projections to absorb digested food is called

Detailed Solution for Olympiad Test: Nutrition in Animals - Question 14

The mucosa is a mucous membrane. It is the innermost lining of the small intestine. It is made up of a:

  • the layer of epithelial cells (called the epithelium)
  • a layer of loose connective tissue (called the lamina propria)
  • the very thin layer of muscle (called the muscularis mucosa)

 

The inner surface of the mucosa has many finger-like projections called villi. The villi increase the surface area of the small intestine, which helps it absorb digested food.

Olympiad Test: Nutrition in Animals - Question 15

Absorption of water in alimentary canal takes place in

Olympiad Test: Nutrition in Animals - Question 16

Oesophagus is also known as

Detailed Solution for Olympiad Test: Nutrition in Animals - Question 16

The oesophagus is also called the gullet or food pipe. It is part of the digestive system, which is sometimes called the gastro-intestinal tract (GI tract). The oesophagus is a muscular tube about 25cm (10in) long. It connects your mouth to your stomach.

Olympiad Test: Nutrition in Animals - Question 17

ORS stand for

Detailed Solution for Olympiad Test: Nutrition in Animals - Question 17

ORS stands for Oral rehydration solution. It is used in case of dehydration to maintain water and salt levels in body.

Olympiad Test: Nutrition in Animals - Question 18

Bile juice is stored in

Detailed Solution for Olympiad Test: Nutrition in Animals - Question 18

Bile salts are one of the primary components of bile. Bile is a greenish-yellow fluid made by the liver and stored in our gallbladder.

Olympiad Test: Nutrition in Animals - Question 19

Wall of stomach contains

Detailed Solution for Olympiad Test: Nutrition in Animals - Question 19

The wall of stomach contains gastric glands which secretes gastric juice. Gastric juice contain pepsin, HCl and mucus.

Olympiad Test: Nutrition in Animals - Question 20

Grass is rich in ________ a special kind of carbohydrate which can only be digested by ruminants.

Detailed Solution for Olympiad Test: Nutrition in Animals - Question 20

Cellulose is a type of carbohydrate that can be digested by ruminants and not by humans. 
Ruminants have a large sac-like structure called rumen between the oesophagus and the small intestine. The cellulose of the food is digested here by the action of certain bacteria which are not present in humans.

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