Class 7 Nutrition In Animals CBSE Questions & Answers

Class 7 · Nutrition In Animals

This is Science Class 7 Nutrition in Animals CBSE Questions & Answers. There are 15 questions in this test with each question having around four answer choices.

Questions & Answers

1
Epiglottis is meant for protecting
  • A
    Nasal chamber from entry of food
  • B
    Oesophagus from entry of air
  • C
    Teeth from caries
  • D
    Larynx from entry of food
    Correct
2
Chewing is required for
  • A
    Enjoying the taste of food
  • B
    Solublisation of food
  • C
    Decreasing surface area of food
  • D
    Increasing surface area of food
    Correct
3
Stomach is the site for digestion of
  • A
    All of these
  • B
    Fats
  • C
    Protein
    Correct
  • D
    Carbohydrates
4
Protein digestion is necessary because
  • A
    Protein are large molecules
  • B
    Protein can not be absorbed a such
    Correct
  • C
    Protein have a number of amino acids
  • D
    Protein is a complex molecules
5
Removal of gall bladder in man would lead
  • A
    Jaundice
  • B
    Impairment of digestion of protein
  • C
    Increased acidity in intestine
  • D
    Impairment of digestion of fats
    Correct
6
Conversion or digestion of large food molecule into smaller ones is due to
  • A
    Chewing
  • B
    Churning movement of stomach
  • C
    Enzyme action
    Correct
  • D
    Action of saliva
7
Which part of human alimentary canal does not release any enzyme?
  • A
    Duodenum
  • B
    Oesophagus
    Correct
  • C
    Mouth
  • D
    Stomach
8
Excess intake of following causes obesity
  • A
    Minerals
  • B
    Proteins
  • C
    Vitamins
  • D
    Carbohydrates
    Correct
9
During prolonged fasting
  • A
    First proteins are used up followed by fats and carbohydrates
  • B
    First fats are used up followed by carbohydrates and proteins
  • C
    First carbohydrates are used up followed by protein and fats
  • D
    First carbohydrates are used up followed by fats and proteins
    Correct
10
Select the correct pair
  • A
    Lipase- large intestine
  • B
    Pepsin – stomach
    Correct
  • C
    Salivary amylase – small intestine
  • D
    Gastric juice- mouth
11
Insects suck the food in liquid form with the help of
  • A
    Proboscis
    Correct
  • B
    Deprogram
  • C
    Tentacles
  • D
    Tongue
12
A vital ingredient of food which does not provide energy and is required in minute quantity is
  • A
    Proteins
  • B
    Carbohydrates
  • C
    Fats
  • D
    Vitamins
    Correct
13
Part of tongue that gives feeling of sweetness is
  • A
    Posterior part
  • B
    Tips
    Correct
  • C
    Middle part
  • D
    Lateral edges
14
Insects suck the food in liquid form with the help of
  • A
    Proboscis
    Correct
  • B
    Deprogram
  • C
    Tentacles
  • D
    Tongue
15
A digestive enzyme functional only in infants
  • A
    Lactose
    Correct
  • B
    Lipase
  • C
    Saliva
  • D
    Gastric juice