Nutrition in Animals For Class 7 Science MCQ Questions

Q 1 – Bile is produced in
(a) Gall bladder
(b) Blood
(c) Liver
(d) Spleen

Ans.  (c) Liver

Q 2 – Cud is the name given to the food of ruminants which is:
(а) swallowed and undigested.
(b) swallowed and partially digested.
(c) properly chewed and partially digested.
(d) properly chewed and completely digested.

Ans. (b) swallowed and partially digested.

Q 3 – The false feet of Amoeba are used for:
(a) movement only
(b) capture of food only
(c) capture of food and movement
(d) exchange of gases only

Ans.  (c) capture of food and movement

Q 4 – Read the following statements with reference to the villi of small intestine.
(i) They have very thin walls.
(ii) They have a network of thin and small blood vessels close to the surface.
(iii) They have small pores through which food can easily pass.
(iv) They are finger-like projections.
Identify those statements which enable the villi to absorb digested food.
(a) (i), (ii) and (iv)
(b) (ii), (iii) and (iv)
(c) (iii) and (iv)
(d) (i) and (iv)

Ans. (a) (i), (ii) and (iv)

Q 5 – The finger-like outgrowths of Amoeba helps to ingest food. However, the finger-like outgrowths of human intestine helps to:
(a) digest the fatty food substances
(b) make the food soluble
(c) absorb the digested food
(d) absorb the undigested food

Ans. (c) absorb the digested food

Q 6 – The main function of the lacteals of intestine is the absorption of
(a) amino acids
(b) glucose and vitamins
(c) lactic acid
(d) fatty acids and glycerol

Ans.  (d) fatty acids and glycerol

Q 7 – Gastric digestion takes place efficiently in
(a) acidic medium
(b) alkaline medium
(c) neutral medium
(d) highly alkaline medium

Ans. (a) acidic medium

Q 8 – Which is not digested by human?
(a) Protein
(b) Fats
(c) Glucose
(d) Cellulose

Ans.  (d) Cellulose

Q 9 – How many premolars teeth found in mouth?
(a) 2
(b) 4
(c) 6
(d) 8

Ans.  (b) 4

Q 10 – Given below from (i) to (iv) are some food items.
(i) Boiled and mashed potato
(ii) Glucose solution
(iii) A slice of bread
(iv) Mustard oil
Which of the above will give blue-black colour when tested with iodine?
(a) (i) and (ii)
(b) (i) and (iii)
(c) (ii) and (iii)
(d) (iii) and (iv)

Ans. (b) (i) and (iii)

Q 11 – Which of the following pair of teeth differ in structure but are similar in function?
(a) canines and incisors
(b) molars and premolars
(c) incisors and molars
(d) premolars and canines

Ans. (a) canines and incisors

Q 12 – Read carefully the terms given below. Which of the following set is the correct combination of organs that do not carry out any digestive functions?
(a) Oesophagus, Large Intestine, Rectum
(b) Buccal Cavity, Oesophagus, Rectum
(c) Buccal Cavity, Oesophagus, Large Intestine
(d) Small Intestine, Large Intestine, Rectum

Ans. (a) Oesophagus, Large Intestine, Rectum

Q 13 – The swallowed food moves downwards in the alimentary canal because of:
(a) force provided by the muscular tongue.
(b) the flow of water taken with the food.
(c) gravitational pull.
(d) the contraction of muscles in the wall of food pipe.

Ans.  (a) force provided by the muscular tongue.

Q 14 – The acid present in the stomach:
(a) kills the harmful bacterial that may enter along with the food.
(b) protects the stomach lining from harmful substances.
(c) digests starch into simpler sugars.
(d) makes the medium alkaline.

Ans. (c) digests starch into simpler sugars.

Q 15 – The enzymes predsent in the saliva convert:
(a) fats into fatty acids and glycerol
(b) starch into simple sugars
(c) proteins into amino acids
(d) complex sugars into simple sugars

Ans.  (b) starch into simple sugars

Q 16 – Mode of nutrition in amoeba is
(a) Herbivores
(b) Holozoic
(c) Omnivores
(d) Autotrophic

Ans.  (b) Holozoic

Q 17 – Bile juice is secreted by which part of digestive system.
(a) Small Intestine
(b) Liver
(c) Pituitary gland
(d) Digestive gland

Ans. (b) Liver

Q 18 – Saliva is released f rom
(a) Pinus gland
(b) Thyroid gland
(c) Adrenal gland
(d) Salivary gland

Ans.  (d) Salivary gland

Q 19 – An example of heterotrophic organism which can  synthesise food. .
(a) Paramecium
(b) Euglena
(c) Amoeba
(d) Hydra

Ans. (b) Euglena

Q 20 – The process of breakdown of food particles into small pieces is called _______.
(a) Mastication
(b) Digestion
(c) Peristalsis
(d) Diffusion

Ans.  (b) Digestion

Q 21 – In amoeba, digestion of food takes place inside
(a) Food pipe
(b) Gizzard
(c) Food vacuole
(d) Stomach

Ans.  (c) Food vacuole

Q 22 – Mode of nutrition in animal is
(a) Saprophytic
(b) Heterotrophic
(c) Omnivores
(d) Autotrophic

Ans.  (b) Heterotrophic

Q 23 – Duodenum, Jejunum, ileum are ______ parts.
(a) Small Intestine
(b) Large Intestine
(c) Esophaguss
(d) Stomach

Ans.  (a) Small Intestine

Q 24 – Why are nutrition in animals holozoic?
(a) because they depend on plants for food
(b) because they are heterotrophs
(c) because they can shallow food
(d) all the above

Ans.  (d) all the above

Q 25 – Which one is a unicellular organism?
(a) Frog
(b) Hydra
(c) Amoeba
(d) Ant

Ans.  (c) Amoeba

Q 26 – The type of digestion which takes place within the cell is termed as
(a) Extra cellular digestion
(b) Intra tissue digestion
(c) Inter cellular digestion
(d) Intracellular digestion

Ans.  (d) Intracellular digestion

Q 27 – Raccoon is an example of which type of animal-
(a) Herbivore
(b) Omnivore
(c) Carnivore
(d) Parasite

Ans.  (b) Omnivore

Q 28 – Siphoning is the mode of feeding alone in which type of animal.
(a) Humming bird
(b) Butterfly
(c) Ant
(d) Housefly

Ans.  (b) Butterfly

Q 29 – Nutrition in which organism take f ood inside the body and digest using enzyme is called
(a) Mesophytes
(b) Carnivorous
(c) Saprophytic
(d) Holozoic

Ans.  (d) Holozoic

Q 30 – Which one is a ruminant animal?
(a) Elephant
(b) Deer
(c) Cat
(d) Dog

Ans.  (b) Deer

Q 31 – Amoeba obtain the food using finger-like projection called
(a) Pseudopodia
(b) Spiracles
(c) Diaphragm
(d) Mouth

Ans.  (a) Pseudopodia

Q 32 – The process in which f aucal matter is removed through the anus.
(a) Egestion
(b) Digestion
(c) Absorption
(d) Ingestion

Ans.  (a) Egestion

Q 33 – Which of the following component of food do not provide energy of body building?
(a) Roughage
(b) Proteins
(c) Carbohydrates
(d) Fats

Ans.  (a) Roughage

Q 34 – Enzymes which helps in digestion in amoeba
(a) Amylase
(b) Proteinase
(c) both (a) and (b)
(d) None of the above

Ans.  (c) both (a) and (b)

Q 35 – Which one is the largest gland in the human body?
(a) Pancreas
(b) Pituitary gland
(c) Liver
(d) Gall bladder

Ans.  (c) Liver

Q 36 – The movement of food in food pipe is called
(a) Linear movement
(b) Rectilinear movement
(c) Smooth movement
(d) Peristaltic movement

Ans. (d) Peristaltic movement

Q 37 – The semi-solid mass which is produced after thoroughly mix up of food and gastric juice is
called
(a) bolus
(b) chyme
(c) bile
(d) villus

Ans.  (b) chyme