lecture-5

Question 1

Name the parts of small intestine

Answer 1

1. Duodenum
2. Jejunum
3. ileum

Question 2

Name the parts of large intestine

Answer 2

1. Caecum
2. Colon
3. Rectum

Question 4

length of large intestine

Answer 4

1.5m

Question 4

length of small intestine

Answer 4

6m

Question 4

Length of Alimentary Canal

Answer 4

9m

Question 5

largest part of alimentary canal

Answer 5

small intestine

Question 6

Alimentary canal or herbivorous animal is ______ than carnivorous animal because _____

Answer 6

Longer , herbivorous animal has to digest cellulose that is complex to digest .

Question 7

Digest starts from
1. Mouth
2. Buccal Cavity
3. Pharynx
4. Stomach

Answer 7

Buccal cavity

Question 8

Digestion starts from
1. Mouth
2. Pharynx
3. Oesophagus
4. Stomach

Answer 8

Mouth

Question 9

Where are the respective taste buds for
sweet -
sour -
salty -
bitter -

Answer 9

sweet - tip
sour - side behind salty
salty - side
bitter - Base

Question 10

Study of teeth

Answer 10

Odontology

Question 11

Odontoblast

Answer 11

teeth forming cells

Question 12

Name the layers of teeth

Answer 12

1. Enamel
2. Dentin
3. Pulp

Question 13

Name the parts of teeth

Answer 13

1. Crown
2. Neck
3. root

Question 14

Hardest substance in human body

Answer 14

Enamel

Question 15

Composition of Enamel

Answer 15

CaCO3 + Ca3(PO4)2
calsium carbonate + calsium phosphate
also called Calcium Hydroxyapatite

Question 16

Heterodont

Answer 16

Different types of teeth

Question 17

Homodont

Answer 17

Same types of teeth ( eg - frog )

Question 18

Types of Teeth

Answer 18

Incisors - Cutting
Canines - Tearing
Premolars - Chewing
Molars - Chewing

Question 19

Which type of teeth is not well developed in humans ?

Answer 19

Canines

Question 20

Tusk of elephant is ____

Answer 20

modified incisors

Question 21

Tusk of walrus is ____

Answer 21

modified canines