NUTRITION IN ANIMALS
1. Fill in the blanks.
a. Saliva is secreted in the mouth by ----------------.
b. There are…………..premolars and molars in adult mouth.
c. Largest gland in human body is -----------------.
d. Tongue help in --------------- and -----------.
e. Insulin is released by -----------------.
f. HCl is released by ---------------- in the stomach.
g. Amoeba digest its food in the ------- and ingests food with the help of …………………
h. Digestion of starch starts in ----------------------.
i. Saliva is secreted in mouth by --------------------.
j. --------------------- is produced by liver.
k. Food is pushed down into the stomach by ---------------.
l. Plant eating animals are called ----------------.
m. Rhythmic contraction and relaxation of food pipe is called……………………
n. Canines are well developed in……………….
o. Finger-like projection called villi are found in the inner wall of……………..
p. Amoeba capture food with the help of………………………
r. Enzymes are……………. (a. Carbohydrates b. Acids c. Bio-catalyst d. Bases)
s. The large intestine absorbs ………………….
t. Total number of canines teeth in adult human beings are…………….
u. Utilization of digested food to obtain energy is called………………..
v. …………………….. can digest cellulose.
w. A substance which kills bacteria in stomach…………..
x. Animals that chew cud are called…………………….
y. Gastric juice contain enzyme………………
2.. Match the following
Column A Column B
a. Liver i. Acid release
b. Large intestine ii. Release of faecal matter
c. Rectum iii. Absorption of digested food
d. Stomach iv. Bile release
e. Villi v. Absorption of water
f. Incisor vi Grinding and crushing food
g. Canine vii. Biting the food
h. Molar viii. Tearing food
i. Tongue ix. Saliva
j. Salivary gland x. Mixing of food
k. Mastication xi. Gall bladder
l. Carbohydrates xii. Do not contain nutrient.
m. Proteins xii . Glucose
n. Fats xiv. Amino acids
o. Vitamins xv. Fatty acids
p. Roughage xvi. Provide immunity
q. Bile storing organ xvii. Cellulose digesting
r. Ruminant xiii. Pseudopodia
s. Ingestion in amoeba xiv Pancreas
4. What are enzymes? Give one example.
5. What is digestion? Why it is important?
6. Name the enzyme released from the following glands in human digestive system.
a. Salivary glands
b. Gastric glands
c. Pancreas
d. Liver
7. Why do organisms need to take food?
8. Classify the following organism as herbivores, carnivores and omnivores.
Dog, Cat, Human beings, Elephant, Crow, Cow, horse, deer, Tiger, Lion.
9. Where is bile produced? Which component of the food does it help to digest?
10. What are villi? Write its function?
11. What are ruminants? How do they digest cellulose?
12. Provide single term for the following:
a. The organ which stores bile.
b. Finger-like outgrowth in the small intestine.
c. The part of amoeba which help in capturing food.
d. The longest part of alimentary canal.
e. The part which feels the taste of different food items.
13. Which gland release gastric juice? What is its function?
14. What are ruminants? Name the four compartments of their stomach?
15. What Oral Rehydration Solution?
16. Mention the important functions of pancreas.
17. Why do we get instant energy from glucose?
18. Write one similarity and one difference in nutrition in amoeba and human beings.
19. Name the main organs of human digestive system.
20. Which part of digestive canal is involved in
a. Absorption of food
b. Chewing of food
c. Killing of Bacteria
d. Complete digestion of food
e. Formation of faeces
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