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Worksheets

Nutrition in Animals

Total questions: 161

Worksheet time: 2hrs 34mins

Name
Class
Date
1.

The total number of incisors in our jaws is -

a)

8

b)

4

c)

12

d)

24

2.

Peristaltic movement helps in the -

a)

movement of food

b)

digestion of food

c)

absorption of food

d)

assimilation of food

3.

Hydrochloric acid is secreted in the -

a)

stomach

b)

small intestine

c)

large intestine

d)

oesophagus

4.

Which of the following is not a gland?

a)

Pancreas

b)

Liver

c)

Villi

d)

Salivary gland

5.

The enzyme which converts starch into maltose -

a)

pepsin

b)

amylase

c)

trypsin

d)

lipase

6.

Digested food is mainly absorbed in the -

a)

stomach

b)

small intestine

c)

large intestine

d)

oesophagus

7.

Absorption of water from undigested food mainly occurs in -

a)

stomach

b)

oesophagus

c)

large intestine

d)

pancreas

8.

Proteins are ultimately converted to -

a)

glucose

b)

amino acids

c)

starch

d)

glycerol

9.

Undigested food is thrown out through the -

a)

rectum

b)

bile ducts

c)

anus

d)

villi

10.

Which enzyme digests fats?

a)

Protease

b)

Lipase

c)

Carbohydrase

d)

Amylase

11.

Enzymes in the stomach act in which type of medium?

a)

Alkaline

b)

Neutral

c)

Acidic

d)

Basic

12.

During digestion what do large insoluble molecules get broken down into?

a)

Large soluble molecules

b)

Small soluble molecules

c)

Medium soluble molecules

d)

Small insoluble molecules

13.

Which is the first enzyme to mix with food in the digestive tract?

a)

Pepsin

b)

Cellulase

c)

Amylase

d)

Trypsin

14.

If salivary amylase is lacking in the saliva, which of the following events in the mouth cavity will be affected?

a)

Proteins breaking down into amino acids.

b)

Starch breaking down into sugars.

c)

Fats breaking down into fatty acids and glycerol.

d)

Absorption

15.

The inner lining of stomach is protected from hydrochloric acid by one of the following. Choose the correct one.

a)

Pepsin

b)

Mucus

c)

Salivary amylase

d)

Bile

16.

Which part of the alimentary canal receives bile from the liver?

a)

Stomach

b)

Small intestine

c)

Large intestine

d)

Oesophagus

17.

In which part of the alimentary canal food is finally digested?

a)

Stomach

b)

Mouth cavities

c)

Large intestine

d)

Small intestine

18.

Choose the function of the pancreatic juice from the following statements.

a)

Trypsin digests proteins and lipase digests carbohydrates.

b)

Trypsin digests emulsified fats and lipase digests proteins

c)

Trypsin and lipase digest fats

d)

Trypsin digests proteins and lipase digests emulsified fats

19.

Bile is produced by -

a)

kidney

b)

pancreas

c)

spleen

d)

liver

20.

The main function of intestinal villi is -

a)

stimulate peristalsis

b)

prevent antiperistalsis

c)

provide large surface area for absorption

d)

distribute digestive enzymes uniformly

21.

Major function of HCl of gastric juice is to -

a)

providing acidic medium for pepsin

b)

dissolve food

c)

facilitate absorption of food

d)

none of these

22.

The end product of fat digestion is -

a)

glucose

b)

fatty acids and glycerol

c)

amino acids

d)

alkaloids

23.

The action of bile on fats can be called -

a)

oxidation

b)

emulsification

c)

esterification

d)

dehydrogenation

24.

Saliva converts -

a)

proteins into amino acids

b)

glycogen into glucose

c)

starch into maltose

d)

fats into vitamins

25.

Which set is mixed with the food in small intestine?

a)

Saliva, gastric juice, bile

b)

Gastric juice, bile, pancreatic juice

c)

Bile, pancreatic juice, intestinal juice

d)

Bile, pancreatic juice and saliva

26.

A good source of lipase is -

a)

saliva

b)

gastric juice

c)

bile

d)

pancreatic juice

27.

Ptyalin is an enzyme present in -

a)

gastric juice

b)

pancreatic juice

c)

intestinal juice

d)

saliva

28.

Which one does not produce any digestive enzyme?

a)

Pancreas

b)

Liver

c)

Stomach

d)

Small intestine

29.

Largest gland in the body is -

a)

liver

b)

pancreas

c)

gastric gland

d)

adrenal

30.

Which combination of statements is correct?

a)

i. Hydra uses its tentacles to catch food. ii. Mosquito sucks up the blood of animals with its proboscis. iii. The food moves in the alimentary canal by the process of peristalsis. iv. The body of amoeba has finger-like projections called villi.

b)

ii, iii and iv

c)

i, ii and iv

d)

ii, iii, iv and v

31.

Ridhima took two test tubes labelled as 1 and 2 as shown in the figure. In test tube 1, she put one tablespoon of boiled rice and in test tube 2, she put one tablespoon of boiled rice after chewing it for 3-5 minutes. Then she added 3-4 mL of water in both the test tubes. Thereafter, she poured 2-3 drops of iodine solution in each of the test tubes. Which of the following would be the expected observation by Ridhima?

a)

Colour changes to blue-black in test tube 1 as rice is rich in starch.

b)

Colour changes to blue-black in test tube 2 as saliva breaks down the starch into sugars.

c)

Colour changes to blue-black in both the test tubes.

d)

Colour does not change in either of the test tubes.

32.

Refer to the given diagram which shows various parts of human digestive system labelled as I, II, III, IV and V. Identify the organs and select the incorrect statement regarding them.

a)

Organ-V is involved in storage of bile not its production.

b)

Organ-II secretes digestive juice which contains mucus, hydrochloric acid and digestive enzymes.

c)

Organ-IV is the largest gland of the body.

d)

Organ-I is involved in the absorption of water from food.

33.

Refer to the given diagram of stomach of ruminant mammal with its parts labelled as P, Q, R and S and select the correct option.

a)

The parts labelled P, Q, R and S are called reticulum, rumen, abomasum and omasum, respectively.

b)

The part labelled Q is true stomach.

c)

Food is completely digested in chambers P and R.

d)

Digestion of cellulose takes place in P, S and R

34.

Fill in the blanks with the correct combination of words. The role of L in the M is to N the surface area for the rapid O of P.

a)

L-villi, M-large intestine, N-decrease, O-absorption, P-digested food

b)

L-cilia, M-small intestine, N-increase, O-assimilation, P-digested food

c)

L-villi, M-small intestine, N-increase, O-absorption, P-digested food

d)

L-villi, M-small intestine, N-increase, O-assimilation, P-digested food

35.

Match Column-I with Column-II and select the correct option from the codes given below.

a)

(a) - (iv), (b) - (iii), (c) - (ii), (d) - (i)

b)

(a) - (i), (b) - (ii), (c) - (iii), (d) - (iv)

c)

(a) - (ii), (b) - (iii), (c) - (i), (d) - (iv)

d)

(a) - (iv), (b) - (ii), (c) - (iii), (d) - (i)

36.

Organisms that feed on dead animals are called -

a)

parasites

b)

scavengers

c)

carnivores

d)

herbivores

37.

Identify P, Q, R, S and T in the given figure and select the correct statement regarding them.

a)

S is the organ where starch is broken down into sugar by the action of saliva.

b)

Digestive juice secreted by Q gets stored in P.

c)

Many bacteria that enter out body along with the food get killed in the organ R.

d)

Organ T absorbs water and also some salts from the undigested food materials.

38.

Read the given statements and select the option that correctly fills the blanks in any two of them.

(i) ______ are the tiny out-growths on the inner surface of small intestine. (ii) Mucus, hydrochloric acid and digestive juice are secreted by ______. (iii) Length of small intestine in an adult human being is about ______. (iv) ______ mainly absorbs water from the undigested food.

a)

(i) villi (ii) stomach

b)

(iii) 5 m (iv) small intestine

c)

(i) buds (iii) 7 m

d)

(i) small intestine (iii) large intestine

39.

Refer to the given flow chart and answer the question - Which of the following example/s is/are wrongly placed?

a)

(i) only

b)

(ii), (iii) and (v) only

c)

(i), (iv) and (v) only

d)

(ii), (iv) and (vi) only

40.

Read the given paragraph and answer the question that follows. In human beings, four different types of teeth are present. X type of teeth is used for biting and cutting, Y type of teeth is used for crushing and grinding while Z type of teeth is used for tearing the food. Select the option that correctly identifies X, Y and Z.

a)

X - Incisor, Y - Canine, Z - Molar

b)

X - Incisor, Y - Molar, Z - Canine

c)

X - Canine, Y - Incisor, Z - Molar

d)

X - Canine, Y - Molar, Z - Incisor

41.

Nutrition in animals does not include -

a)

nutrient requirements

b)

mode of food intake

c)

(3) utilization of digested food in the body

d)

(4) mode of oxygen intake

42.

Some aquatic animals like sponges feed on small particles of food suspended in water. This is called -

a)

swallowing

b)

scraping

c)

gnawing

d)

filter feeding

43.

  1. Read the given statements.
    (i)     Paramecium has stiff hair-like structures called ______.
    (ii)     Hydra has a number of ___ around its mouth, that entangle small aquatic animals and kill them with their _______ cells.
    (iii) Frog uses its long, sticky ______ to catch insects.
    (iv) Mosquito sucks up the blood of animals with its _______.
    Select the option which correctly fills the blanks in any two of these statements.

a)

(1) (ii) cilia, absorptive (iii) forelimbs

b)

(2) (i) tentacles (iv) feeding tube

c)

(3) (i) – cilia (ii) tentacles, stinging

d)

(4) (iii) – tongue; (pseudopodia)

44.

Which enzyme is likely to act first on the baked potatoes eaten by a man, starting from the mouth itself?

a)

Salivary amylase

b)

Pancreatic amylase

c)

Salivary Maltase

d)

Trypsin

45.

Refer to the given figure of human digestive system and select the incorrect statements regarding parts labelled as M, N, O and P.

44.  (i) M and O secrete and pour their digestive enzymes in N for digestion whereas N secretes HCl which kills germs in food.
(ii) Digestion of both carbohydrates and proteins takes place in N whereas digestion of only fats takes place in P.
(iii) N, O and P secrete digestive enzymes but M only stores a digestive juice that emulsifies fats.
(iv) P does not secrete any digestive enzyme but receives digestive enzymes from M, N and O for complete digestion of food.
(v) If M is removed in a person, then he can find difficulty in digesting fats present in his food.
(vi) N secretes digestive enzymes and mucus and O secretes digestive enzymes and hormones.

a)

(i), (ii) and (iv) only

b)

(iii) and (iv) only

c)

(i), (ii), (v) and (vi) only

d)

(i), (ii) and (v) only

46.

Varun got his gall bladder removed surgically as he was diagnosed with stone in his gall bladder. Which of the following problems is Varun most likely to face after surgery?

a)

Varun would not be able to digest carbohydrates and proteins properly because gall bladder stores bile which consists of amylase and pepsin enzymes.

b)

Varun would not be able to digest fats properly because gall bladder stores bile juice which helps in emulsification of fats.

c)

Varun would not be able to digest fats properly because gall bladder secretes bile juice which helps in digestion of fats.

d)

Varun would not be able to absorb vitamin B and C properly because gall bladder secretes bile which helps in absorption of these vitamins.

47.

The given figures show different types of teeth. Which of these is modified in elephant tusks?

a)

X

b)

W

c)

Both W and Y

d)

Both Y and Z

48.

Liver secretes bile in which one of the following parts of digestive system?

a)

Oesophagus

b)

Stomach

c)

Small intestine

d)

Large intestine

49.

Name the part of the tooth which contains nerves and blood vessels.

a)

Enamel

b)

Dentine

c)

Pulp cavity

d)

All of these

50.

Replace the question mark (?) with the correct option. Bronchus : Respiratory system :: Rectum : ?

a)

Nervous system

b)

Skeletal system

c)

Circulatory system

d)

Digestive system

51.

1. __________ is the process in which complex food is taken into a specialised digestive system and broken down into small pieces.

a)

Autotrophic nutrition

b)

Holozoic nutrition

c)

Heterotrophic nutrition

d)

None of the above

52.

2 ____________ is the process in which food is taken in by the organisms.

a)

Digestion

b)

Ingestion

c)

Assimilation

d)

Absorption

53.

3. _____________ animals filter tiny food particles floating nearby and feed upon them.

a)

Aquatic

b)

Terrestrial

c)

Both (1) and (2)

d)

None of the above

54.

Write the name of missing steps. 1. Ingestion,_____________, Absorption ,__________ Egestion.

(a)  

55.

Match the column

a)
1-c, 2-b, 3-a, 4-d
b)
1-a, 2-c, 3-b, 4-d
c)
1-b, 2-a, 3-d, 4-c
d)

1-d, 2-c 3-a, 4-b

56.

Complete the following series. (a) Human: hand : : butterfly : ________ (b) Mosquito: suck the blood : : python : _________

(a)  

57.

Read the following statements and give your answer as true or false. 7. Assimilation is the process of breaking down complex food molecules into simpler molecules.

a)
false
b)

True

58.

Read the following statements and fill in the blanks - 8. (a)   is the process by which undigested food is removed from the body.

59.

9. When the tips of encircling pseudopodia touch each other, the food is encaptured into a bag called (a)   .

60.

1. Choose the correct statement about a watery fluid named 'saliva'.

a)

It makes the food slippery.

b)

It contains enzyme called amylase.

c)

It also contains antiseptic property as it kills germs.

d)

All of the above.

61.

2. The function of canines is -

a)

biting food

b)

tearing food

c)

grinding and crushing

d)

mixing the food with saliva

62.

3. The process of digestion initiates in -

a)

buccal cavity

b)

stomach

c)

small intestine

d)

large intestine

63.

Label the location of taste buds on the given tongue diagram-

(a)  

64.

Label the diagram

(a)  

65.

Match the column

a)
1-a, 2-b, 3-d, 4-c
b)
1-b, 2-c, 3-a, 4-d
c)
1-d, 2-a, 3-b, 4-c
d)
1-c, 2-d, 3-a, 4-b
66.

7. Write the action of saliva on starch in both test tube A and test tube B

a)

Test tube A – Iodine solution reacts with starch present in test tube and gives blue black

colour.

Test tube B – Starch is digested by enzymes present in saliva. Due to absence of starch in test

tube, Iodine solution does not produce any blue–black colour. Saliva breakdown the starch.

b)
In test tube A, starch remains clear; in test tube B, starch turns blue-black.
c)
In test tube A, starch is completely broken down; in test tube B, starch remains unchanged.
d)
In test tube A, starch turns yellow; in test tube B, starch remains blue-black.
67.

Read the following statements and give your answer as true or false. 8. The process of digestion starts in the buccal cavity.

a)
false
b)
true
68.

Read the following statements and fill in the blanks. 9. A watery material called (a)   is secreted by salivary glands.

69.

1. The digestive tract runs from -

a)

mouth to rectum

b)

mouth to anus

c)

gullet to stomach

d)

stomach to anus

70.

2. ___________ is a long, muscular coiled tube which starts from mouth and ends at anus.

a)

alimentary canal

b)

large intestine

c)

stomach

d)

small intestine

71.

3. Human digestive system consists of -

a)

alimentary canal

b)

associated glands

c)

stomach

d)

both (1) and (2)

72.

4. Label the given diagram.

(a)  

73.

5. Identify the diagram and name the acid and the components present in it.

a)
Hydrochloric acid (HCl) in the stomach.
b)
Sulfuric acid (H2SO4) in the intestines.
c)
Nitric acid (HNO3) in the liver.
d)
Acetic acid (CH3COOH) in the mouth.
74.

6. Unscramble the word - 1. chmasto 2. sucum

(a)  

75.

7. Identify 'X' and 'Y' Oesophagus no enzyme ___________X___________ Stomach ___________Y___________ for protein digestion

(a)  

76.

Read the following statements and give your answer as true or false. 8. The rhythmic contraction and expansion of muscles that takes place all along the alimentary canal is referred to as peristaltic movements.

a)
false
b)
true
77.

Read the following statements and fill in the blanks. 9. The (a)   protects the lining of the stomach.

78.

Q.1 to Q.3 are multiple choice questions. Each has four options (1), (2), (3) and (4) out of which only one option is correct. 1. The process of digestion is completed in -

a)

mouth

b)

buccal cavity

c)

stomach

d)

small intestine

79.

2. Large fat droplets are converted to smaller droplet by the action of which substance -

a)

saliva

b)

bile juice

c)

pancreatic juice

d)

blood

80.

3. Which is the longest part of alimentary canal?

a)

Liver

b)

Large Intestine

c)

Small Intestine

d)

Stomach

81.

4. Label the structure in given diagram and write it's function.

a)
Trachea
b)
Stomach
c)
Larynx
d)

liver

82.

5. Match the column-I with column-II.

a)
1(a), 2(c), 3(b)
b)
1(b), 2(a), 3(c)
c)
1(c), 2(b), 3(a)
d)
1(c), 2(a), 3(b)
83.

Read the following statements and give your answer as true or false. 6. The inner walls of the small intestines have thousands of fingers like outgrowths called cilia.

a)
true
b)
false
84.

Read the following statements and fill in the blanks. 7. (a)   is the largest gland of the body.

85.

8. The (a)   acts on carbohydrates, proteins and fats and changes them into simpler forms.

86.

Q.1 to Q.3 are multiple choice questions. Each has four options (1), (2), (3) and (4) out of which only one option is correct. 1. Glands associated with alimentary canal is -

a)

salivary glands

b)

pituitary glands

c)

liver

d)

both (1) and (3)

87.

2. The waste material of digestive system is stored in which part of alimentary canal before egestion -

a)

Stomach

b)

Rectum

c)

Anus

d)

Large Intestine

88.

3. _______ is the largest chamber of the ruminant's stomach.

a)

Rumen

b)

Reticulum

c)

Omasum

d)

Abomasum

89.

4. Label the diagram -

(a)  

90.

5. Given diagram shows (a)  

91.

6. Unscramble the following words (a) cmuter (b) uenrm (c) ulleseclo

(a)  

92.

Read the following statements and give your answer as true or false. 7. Oral Rehydration Solution (ORS) should be given to the diarrhoea patient.

a)

False

b)
true
93.

8. Anterior opening of the alimentary canal through which the faecal matter is removed from time to time is called anus.

a)

True

b)

False

94.

Read the following statements and fill in the blanks. 9. The large intestine is ___________ and ___________ than small intestine.

(a)  

95.

Which one of the following organisms show ingestion with the help of pseudopodia?

a)

Frog

b)

Amoeba

c)

Hydra

d)

Cockroach

96.

When Amoeba comes in contact with food particle it sends out ___(i)__ which engulf the food by forming a ___(ii)___. This process is called ___(iii)___.

a)

(i) tentacle (ii) food cup (iii) ingestion

b)

(i) tentacle (ii) food cup (iii) digestion

c)

(i) pseudopodia (ii) food vacuole (iii) ingestion

d)

(i) pseudopodia (ii) food vacuole (iii) egestion

97.

Food moves in forward direction into alimentary tract because of -

a)

emulsification

b)

peristaltic movement

c)

metabolism

d)

digestion

98.

Total number of molar teeth present in an adult human are -

a)

10

b)

12

c)

4

d)

9

99.

Read the following sentences and identify the organ. • It is a fleshy muscular organ attached at the back to the floor of the buccal cavity. • It is free at the front and can be moved in all directions. • It helps in mixing of chewed food with saliva and swallowing the food.

a)

Teeth

b)

Gums

c)

Tongue

d)

food pipe

100.

The glands situated around the mouth that secrete juice containing amylase enzyme are called -

a)

salivary glands

b)

pituitary glands

c)

liver

d)

pancreas

101.

Examine the figure given below. Which of the given labelled part helps in the storage of bile juice?

a)

(a)

b)

(b)

c)

(c)

d)

(d)

102.

Choose an option that contains glands associated with digestive system

a)

Liver, Pancreas, Tongue

b)

Liver, Oesophagus, Stomach

c)

Liver, Pancreas, Salivary glands

d)

There are no glands associated with digestive system

103.

Which of the following enzyme is responsible for digestion of egg?

a)

Pepsin

b)

Rennin

c)

Bile juice

d)

Amylase

104.

The process by which food is crushed and grind into small pieces by teeth is called

a)

digestion

b)

assimilation

c)

salivation

d)

mastication

105.

Which component of food gets digested in buccal cavity and which enzyme is responsible for this in buccal cavity?

a)

Starch, Lipase

b)

Protein, Amylase

c)

Starch, Amylase

d)

Fats, Amylase

106.

Observe the given figure showing an experiment. What results do you expect on adding iodine solution in test tube A and test tube B?

a)

Blue black colour will be observed in test tube B only.

b)

Blue black colour will be observed in test tube A only.

c)

Both test tubes will show blue black colour.

d)

There will be no colour change in both test tubes.

107.

The given figure shows a part of the digestive system. Identify it and select its main function.

a)

Gall bladder: Carries the digested food to all parts of the body.

b)

Part of pancreas: Produces digestive juices to digest the food in small intestine.

c)

Villus: provides a large surface area for the effective absorption of digested food.

d)

Oesophagus: Helps the movement of undigested food into the large intestine.

108.

Figure shown below represents one of the parts of alimentary canal. Choose the correct description for it.

a)

It is longer than small intestine.

b)

Digestion of food completes in this part.

c)

Its function is to absorb water and salts from undigested food.

d)

Villi are present for absorption of food.

109.

Which of the following enzyme is present in ruminants that helps in digestion of cellulose?

a)

Cud

b)

Cellulase

c)

Pepsin

d)

Ptyalin

110.

Which chamber of the stomach of ruminants help in storing large quantities of food that has been quickly consumed?

a)

Reticulum

b)

Abomasum

c)

Omasum

d)

Rumen

111.

Partially digested food in ruminants is -

a)

chyme

b)

cud

c)

bolus

d)

all of these

112.

Which of the following part of alimentary canal is known as 'site of complete digestion'?

a)

Stomach

b)

Large intestine

c)

Small intestine

d)

Rectum

113.

Refer to the given figure. It illustrates ______.

a)

Autotrophic nutrition

b)

Parasitic nutrition

c)

Holozoic nutrition

d)

Saprophytic nutrition

114.

After digestion, proteins, carbohydrates and fats are respectively converted into

a)

Glucose, fatty acids and glycerol

b)

Fatty acids, glucose, amino acids and glycerol

c)

Amino acids, glucose, fatty acids and glycerol

d)

Glucose, glycerol and fatty acids

115.

Fill in the blanks: (a) The main steps of nutrition in humans are _________,___________,___________,______ and ___________.

(a)  

116.

(b) The largest gland in the human body is (a)   .

117.

(c) The stomach releases hydrochloric acid and (a)   juices which act on food.

118.

(d) The inner wall of the small intestine has many finger-like outgrowths called (a)   .

119.

(e) Amoeba digests its food in the (a)   .

120.

Mark 'T' if the statement is true and 'F' if it is false - (a) Digestion of starch starts in the stomach. (T/F)

a)

T

b)

F

121.

(b) The tongue helps in mixing food with saliva. (T/F)

a)

T

b)

F

122.

(c) The gall bladder temporarily stores bile. (T/F)

a)

T

b)

F

123.

(d) The ruminants bring back swallowed grass into their mouth and chew it for some time. (T/F)

a)

T

b)

F

124.

(a) Fat is completely digested in the -

a)

stomach

b)

mouth

c)

small intestine

d)

large intestine

125.

(b) Water from the undigested food is absorbed mainly in the -

a)

stomach

b)

food pipe

c)

small intestine

d)

large intestine

126.

Match the column

a)

a,c,d,b

b)

a,b,c,d

c)

d,b,a,c

d)

c,d,b,a

127.

Which of these is not a part of nutrition?

a)

Digestion

b)

Absorption

c)

Egestion

d)

Excretion

128.

The pointed teeth in your mouth are -

a)

premolars

b)

incisors

c)

molars

d)

canines

129.

The teeth that are used for biting an apple are -

a)

incisors

b)

canines

c)

pre-molars

d)

molars

130.

What kind of teeth do you think are especially developed in carnivores?

a)

Incisors

b)

Canines

c)

Pre-molars

d)

Molars

131.

Which of the following helps in the digestion of food?

a)

Nutrients

b)

Hormones

c)

Enzymes

d)

All of the above

132.

The teeth adapted for flesh eating are -

a)

incisors

b)

premolars

c)

canines

d)

molars

133.

Saliva contains an enzyme called -

a)

amylase

b)

trypsin

c)

pepsin

d)

none of these

134.

What will happen if chewed boiled rice are kept in the test tube and poured iodine solution on it?

a)

Solution will turn violet

b)

Solution will turn purple

c)

Solution will turn blue - black

d)

No change in colour

135.

During digestion, fats are changed into -

a)

amino acids

b)

fatty acids and glycerol

c)

sugar

d)

glucose

136.

Bile is produced in the

a)

stomach

b)

small intestine

c)

pancreas

d)

liver

137.

Absorption of food takes place in -

a)

small intestine

b)

pancreas

c)

large intestine

d)

liver

138.

Absorption of water takes place mainly in -

a)

small intestine

b)

large intestine

c)

stomach

d)

none of the above

139.

Which of the following organs does not secrete digestive juices?

a)

Stomach

b)

Small intestine

c)

liver

d)

Oesophagus

140.

The greatest amount of digestion of food in humans takes place in the -

a)

mouth

b)

stomach

c)

small intestine

d)

large intestine

141.

Finger-like projections called villi are present in -

a)

stomach

b)

large intestine

c)

small intestine

d)

liver

142.

Mouth cavity is also known as the food pipe.

a)

True

b)

False

143.

The first set of teeth are known as milk teeth.

a)

True

b)

False

144.

Tongue helps in mixing food with saliva.

a)

True

b)

False

145.

Canines are meant for tearing flesh.

a)

True

b)

False

146.

Digestion of starch occur in the stomach.

a)

True

b)

False

147.

In humans, there are 14 teeth in each jaw.

a)

True

b)

False

148.

Food is mostly digested in the stomach.

a)

True

b)

False

149.

Digestion of proteins start in buccal cavity.

a)

True

b)

False

150.

Hydrochloric acid is secreted in the stomach.

a)

True

b)

False

151.

The ruminants bring back swallowed

grass into their mouth and chew it for

some time.

a)

T

b)

F

152.

Taking in of food from outside is called

(a)   .

153.

The teeth which help in biting the food in

humans are the (a)   .

154.

Number of molar teeth present in an adult

human are (a)   .

155.

Saliva is secreted by the (a)   in the

mouth cavity.

156.

Amoeba digests its food in the (a)   .

157.

The largest gland in the human body is

(a)   .

158.

The longest part of the digestive tract in

humans is the (a)   intestine.

159.

Absorption of food takes place through

(a)   in the small intestine.

160.

Complete the following table:

(a)  

161.

Match

a)

(1) → b; (2) → c; (3) → d; (4) → a

b)

(1) → d; (2) → a; (3) → b; (4) → c

c)

(1) → b; (2) → c; (3) → d; (4) → a

d)
1-d, 2-c, 3-b, 4-a

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