MCQs: Teeth in Animals

1.Which type of teeth are used by herbivores

like rabbits to bite and cut plant material?
A) Molars
B) Incisors
C) Canines
D) Premolars
2.In carnivorous animals, what is the function
of canines?
A) Grinding plants
B) Cutting grass
C) Tearing flesh
D) Chewing bones
3.Which group of animals generally lacks
canines?
A) Carnivores
B) Herbivores
C) Omnivores
D) Insectivores
4.What type of molars do carnivorous animals
have?
A) Flat
B) Blunt
C) Sharp and pointed
D) Cone-shaped
5.Which type of animal has all four types of
teeth – incisors, canines, premolars, and
molars?
A) Cow
B) Tiger
C) Human
D) Elephant
6.Why do herbivores have flat molars?
A) To tear meat
B) To grind plant material
C) To chew bones
D) To pierce prey
7.What is the function of premolars in most
animals?
A) Cutting
B) Piercing
C) Crushing and grinding food
D) Tearing meat
8.Which animal is most likely to have
prominent canines?
A) Goat
B) Deer
C) Lion
D) Cow
9.What type of teeth do omnivores typically
have?
A) Only canines
B) Only molars
C) A mix of sharp and flat teeth
D) No incisors
10. What type of dentition is seen in most
mammals?
A) Homodont
B) Heterodont
C) Monodont
D) Polydont
11. Why do elephants have large molars?
A) To defend themselves
B) To grind coarse vegetation
 C) To break bones
D) To dig holes
12. Which animal uses its tusks (modified
incisors) for defense and digging?
A) Horse
B) Lion
C) Elephant
D) Pig
13. What adaptation helps herbivores like
cows chew food thoroughly?
A) Sharp canines
B) Continuous growing molars
C) Flat molars and jaw movement
D) Pointed incisors
14. Which animals have continuously
growing incisors?
A) Dogs
B) Rabbits and rodents
C) Cats
D) Cows
15. What do carnivores mainly use to process
their food?
A) Premolars
B) Flat molars
C) Sharp canines and pointed molars
D) Tusks
16. Why are cow’s canines absent or
reduced?
A) They eat soft food
B) They only chew once
C) They graze and don’t need tearing teeth
D) They don’t have any molars
 17. What kind of tooth pattern helps animals
bite off grass easily?
A) Pointed molars
B) Flat incisors in the front
C) Sharp canines
D) Piercing premolars
18. In omnivorous animals, what is the
advantage of having all types of teeth?
A) For fast eating
B) To chew only meat
C) To digest food faster
D) To eat both plants and animals efficiently
19. Which of the following animals has dental
pads instead of upper front teeth?
A) Pig
B) Cow
C) Dog
D) Tiger
20. In animals like horses, why are the
molars deeply rooted and high-crowned?
A) For quick digestion
B) To grind hard grasses and wear slowly
C) To fight predators
D) For smooth movement of the jaw

Teeth in Humans
1.How many incisors are present in the adult
human mouth?
✅ C) 8
Explanation: There are 4 incisors in each jaw
– 2 central and 2 lateral. So, total = 4 (upper)
+ 4 (lower) = 8 incisors.
2.What is the main function of canines in
humans?
✅ C) Tearing food
Explanation: Canines are pointed teeth
located next to incisors and are used for
tearing food.
3.How many permanent teeth does a typical
adult human have?
✅ C) 32
Explanation: Adults have 32 permanent teeth
– 16 in each jaw.
4.Which of the following teeth are not present
in milk teeth?
✅ B) Premolars
Explanation: Children have 20 milk teeth –
they do not have premolars.
5.The wisdom teeth are also known as:
✅ C) Third molars
Explanation: The last set of molars, usually
appearing in late teens or twenties, are
called third molars or wisdom teeth.
6.Premolars are also called:
✅ A) Bicuspids
Explanation: Premolars have two pointed
cusps and are called bicuspids.
7.What is the function of molars in the human
mouth?
✅ C) Crushing and chewing
Explanation: Molars are flat and broad; they
grind, crush, and chew food.
8.How many canines are found in the human
mouth?
 ✅ B) 4
Explanation: Humans have 4 canines – one in
each half of the upper and lower jaw.
9.What is the total number of teeth in children
(milk teeth)?
✅ A) 20
Explanation: Milk teeth consist of 10 teeth in
each jaw, totaling 20.
10. In each jaw, how many molars are
present in permanent dentition?
✅ C) 6
Explanation: There are 3 molars on each side
of a jaw, so 3 × 2 = 6 molars per jaw.

🐾 Teeth in Animals
11. Which type of teeth is used by a rabbit to
bite food?
✅ C) Incisors
Explanation: Rabbits have strong incisors
used for biting and cutting vegetation.
12. Which animal is most likely to have well-
developed canines?
✅ C) Tiger
Explanation: Tigers are carnivores and have
large canines for tearing meat.
13. In herbivores, what is the general tooth
adaptation?
✅ B) Flat molars and no canines
Explanation: Herbivores like cows lack
canines and have flat molars for grinding
plant material.
14. Which of these animals is an omnivore?
✅ C) Human
Explanation: Humans eat both plants and
animals – making them omnivores.
15. What type of molars are found in
carnivorous animals?
✅ C) Pointed
Explanation: Carnivores have pointed molars
suited for cutting and tearing flesh.
16. Canines in carnivores are primarily used
for:
✅ C) Tearing flesh
Explanation: Their sharp canines help tear
meat from prey.
17. The function of premolars in animals is
mainly:
✅ C) Crushing and grinding food
Explanation: Premolars help in grinding food
before it reaches molars.
18. Which of the following animals has all
four types of teeth?
✅ C) Pig
Explanation: Pigs are omnivores and have
incisors, canines, premolars, and molars.
19. Which type of tooth is absent in
herbivores like cows?
✅ B) Canines
Explanation: Herbivores like cows lack
prominent canines.
20. Elephants use their molars primarily for:
✅ C) Grinding food
Explanation: Elephants chew their plant-
 based food with large flat molars for
grinding.

🦷 Teeth in Humans
1.How many incisors are present in the adult
human mouth?
A) 4
B) 6
C) 8
D) 12
2.What is the main function of canines in
humans?
A) Grinding food
B) Cutting food
C) Tearing food
D) Chewing food
3.How many permanent teeth does a typical
adult human have?
A) 28
B) 30
C) 32
D) 34
4.Which of the following teeth are not present
in milk teeth?
A) Canines
B) Premolars
C) Molars
D) Incisors
5.The wisdom teeth are also known as:
A) Second molars
B) First premolars
 C) Third molars
D) Third premolars
6.Premolars are also called:
A) Bicuspids
B) Tricuspids
C) Canines
D) Cutters
7.What is the function of molars in the human
mouth?
A) Tearing
B) Cutting
C) Crushing and chewing
D) Piercing
8.How many canines are found in the human
mouth?
A) 2
B) 4
C) 6
D) 8
9.What is the total number of teeth in children
(milk teeth)?
A) 20
B) 22
C) 24
D) 26
10. In each jaw, how many molars are
present in permanent dentition?
A) 2
B) 4
C) 6
D) 8
🐾 Teeth in Animals
11. Which type of teeth is used by a rabbit to
bite food?
A) Molars
B) Canines
C) Incisors
D) Premolars
12. Which animal is most likely to have well-
developed canines?
A) Cow
B) Goat
C) Tiger
D) Elephant
13. In herbivores, what is the general tooth
adaptation?
A) Sharp canines
B) Flat molars and no canines
C) Sharp premolars
D) Curved incisors and pointed molars
14. Which of these animals is an omnivore?
A) Cow
B) Tiger
C) Human
D) Leopard
15. What type of molars are found in
carnivorous animals?
A) Flat
B) Rounded
C) Pointed
D) Absent
16. Canines in carnivores are primarily used
for:
 A) Grinding
B) Chewing
C) Tearing flesh
D) Biting grass
17. The function of premolars in animals is
mainly:
A) Tearing meat
B) Grinding bones
C) Crushing and grinding food
D) Tasting food
18. Which of the following animals has all
four types of teeth?
A) Cow
B) Lion
C) Pig
D) Horse
19. Which type of tooth is absent in
herbivores like cows?
A) Incisors
B) Canines
C) Molars
D) Premolars
20. Elephants use their molars primarily for:
A) Cutting wood
B) Crushing bones
C) Grinding food
D) Digging

🦴 Bones and Skeleton – MCQs

1. What type of bones help birds to fly easily?
A) Heavy and thick
B) Light and hollow
 C) Solid and short
D) Strong and curved
2. What do fish have that helps them swim smoothly?
A) Wings
B) Flexible bones
C) Rigid bones
D) Hair
3. Reptiles usually have which of the following?
A) No bones
B) Hollow legs
C) Strong spine and ribs
D) Feathers
4. Mammals have bones similar to which of the
following?
A) Reptiles
B) Humans
C) Birds
D) Amphibians
5. What do sharks have instead of bones?
A) Cartilage
B) Muscles
C) Shells
D) Plastic
6. What is osteoporosis?
A) A disease of the skin
B) Weakening of the heart
C) A disease where bones become fragile
D) Growth of extra bones
7. What causes osteoporosis in older adults?
A) Eating too much sugar
B) Calcium loss
 C) Drinking milk
D) Exercising too much
8. What nutrient helps prevent osteoporosis?
A) Iron
B) Calcium
C) Vitamin C
D) Potassium
9. Which vitamin helps absorb calcium?
A) Vitamin A
B) Vitamin D
C) Vitamin K
D) Vitamin B
10. A lack of Vitamin D in children can cause:
A) Fever
B) Rickets
C) Cold
D) Tooth decay
11. What is bone grafting also called?
A) Bone breaking
B) Bone transplant
C) Bone stretching
D) Bone injection
12. Bone transplants can come from:
A) Only machines
B) Only animals
C) Donor or patient's own body
D) Plants
13. Bone grafting is common in:
A) Cooking
B) Hair salons
C) Dental and orthopedic surgeries
D) Painting
14. What do archaeologists study to learn about
the past?
A) Books
B) Skeletons
C) Cars
D) Machines
15. What do bones of dinosaurs tell us?
A) What they ate
B) How they smelled
C) How fast they ran
D) What color they were
16. Fossils are found:
A) Floating in air
B) Deep underground
C) In clouds
D) On leaves
17. Artificial bones are also called:
A) Toys
B) Prosthetics
C) Magnets
D) Injectables
18. Artificial bones are made from:
A) Wood
B) Paper
C) Metal or plastic
D) Rubber only
19. Children can take care of their bones by:
A) Skipping meals
B) Drinking milk daily
C) Carrying heavy bags
D) Watching TV all day
 20. Which of the following is NOT a good bone-
care habit?
A) Playing outdoors
B) Eating green foods
C) Sitting properly
D) Lifting heavy bags with one hand

20 MCQs – Bones, X-Rays, and Skeleton System (Day3-

10/7)
1. What does an X-ray mainly help doctors to do?
A) Check blood pressure
B) See inside bones
C) Measure weight
D) Scan muscles

2. Who discovered the X-ray in 1895?

A) Albert Einstein
B) Wilhelm Röntgen
C) Isaac Newton
D) Thomas Edison

3. How do bones appear on an X-ray film?

A) Black
B) Transparent
C) White
D) Green
4. How many bones are there in the human skull?
A) 20
B) 22
C) 24
D) 26

5. Which part of the skull helps in chewing?

A) Forehead
B) Jawbone
C) Ear bone
D) Nose bridge

6. What does the skull mainly protect?

A) Lungs
B) Stomach
C) Brain
D) Heart

7. How many vertebrae are there in the human

backbone?
A) 20
B) 26
C) 33
D) 35
8. What protects the spinal cord?
A) Skull
B) Pelvis
C) Ribs
D) Vertebrae

9. Which part of the body contains discs that cushion

the bones?
A) Skull
B) Vertebrae
C) Rib cage
D) Feet

10. How many pairs of ribs do humans have?

A) 10
B) 11
C) 12
D) 13

11. What are the "floating ribs"?

A) Ribs not connected to spine
B) Ribs that move when we sleep
C) Lower ribs not connected to sternum
D) Ribs that protect kidneys
12. What organ does the pelvis protect?
A) Brain
B) Heart
C) Bladder
D) Liver

13. Which of these is a bone found in the leg?

A) Radius
B) Tibia
C) Ulna
D) Humerus

14. How many bones are there in each hand?

A) 25
B) 27
C) 29
D) 30

15. What are phalanges?

A) Neck bones
B) Skull joints
C) Finger and toe bones
D) Chest ribs
16. What type of joint is found in the skull?
A) Movable
B) Hinge
C) Ball-and-socket
D) Fixed

17. What helps the skull grow as the brain grows?

A) Soft cartilage
B) Sutures
C) Fluid
D) Ligaments

18. What kind of bones do birds have for flying?

A) Heavy and flat
B) Thick and solid
C) Light and hollow
D) Short and round

19. What happens to bones in osteoporosis?

A) They grow faster
B) They become soft
C) They become stronger
D) They become weak and fragile

20. What is the main function of Vitamin D for bones?

A) Helps bones grow faster
B) Makes bones flexible
C) Helps absorb calcium
D) Prevents bone from shrinking
🔹 Topic 1: Bone Marrow – The Blood Factory(Day 2-8/7/2025)
Q1. What is the main function of bone marrow?
A) Cooling the bones
B) Producing blood cells
C) Covering bones
D) Making joints flexible
Q2. Where is bone marrow found in the body?
A) Skin and muscles
B) Only in the skull
C) Inside large bones like the femur and pelvis
D) In the stomach
Q3. What does yellow marrow store?
A) Blood
B) Air
C) Fat
D) Water

🔹 Topic 2: Red vs Yellow Marrow

Q4. Which type of marrow is more common in babies?
A) Yellow marrow
B) Bone fluid
C) Red marrow
D) Blue marrow
Q5. Where is red marrow found in adults?
A) Long bones only
B) Flat bones like hips and ribs
C) Muscles
D) Lungs and heart
Q6. What is the role of yellow bone marrow?
A) Making red blood cells
B) Storing oxygen
C) Storing fat
D) Carrying waste

🔹 Topic 3: Cartilage – The Smooth Helper

Q7. What is cartilage mainly made of?
A) Bone and skin
B) Hard crystals
C) Soft, rubbery tissue
D) Muscle fiber
Q8. Where is cartilage also found besides bones?
A) Heart and lungs
B) Nose and ears
C) Skin and nails
D) Teeth
Q9. What does cartilage do in the joints?
A) Stops bones from growing
B) Helps bones stick together
C) Helps bones move smoothly and absorb shock
D) Turns bones into fat

🔹 Topic 4: How Bones Grow

Q10. What are growth plates?
A) Plates used in surgery
B) Areas where bone grows in length
C) Soft cartilage in the skin
D) X-ray detectors
Q11. Which nutrient is most important for bone growth?
A) Sugar
B) Calcium
C) Salt
D) Iron
Q12. What happens to growth plates when we stop growing?
A) They turn into muscles
B) They disappear
C) They harden and become solid bone
D) They move to another bone

🔹 Topic 5: Bone Injuries

Q13. What is a fracture?
A) A muscle tear
B) A twisted joint
C) A broken bone
D) A skin wound
Q14. What tool is commonly used to support a broken bone while it
heals?
A) Hammer
B) Cast or splint
C) Ice pack
D) Marrow injection

🔹 Topic 6: X-Ray – Seeing Inside Bones

Q15. What do bones look like in an X-ray image?
A) Black
B) Transparent
C) White
D) Grey

Topic 1: What are Bones?

Q1. What are bones mainly responsible for in our body?
A) Making food
B) Giving shape and support
C) Breathing
D) Hearing

Q2. What system do bones belong to in the human body?

A) Digestive system
B) Nervous system
C) Skeletal system
D) Respiratory system

Q3. Without bones, our body would be like:

A) A metal rod
B) A sponge
C) A jelly
D) A stone

Q4. Which of the following is not true about bones?

A) They are soft and squishy
B) They are strong and hard
C) They give shape to the body
D) They are inside our body

Q5. Bones help in which of the following?

A) Digesting food
B) Pumping blood
C) Giving structure to the body
D) Producing sweat

✅ Topic 2: What Do Bones Do?

Q6. Which part of the body protects the brain?
A) Rib cage
B) Skull
C) Spine
D) Pelvis

Q7. What do bones produce inside the bone marrow?

A) Nerves
B) Muscles
C) Blood cells
D) Water

Q8. What mineral do bones store to stay strong?

A) Iron
B) Calcium
C) Gold
D) Zinc

Q9. What do bones protect in the chest?

A) Kidneys
B) Lungs and heart
C) Liver
D) Brain

Q10. How do bones help in movement?

A) By storing fat
B) By beating like the heart
C) By working with muscles
D) By cooling the body

✅ Topic 3: Number of Bones

Q11. How many bones does a baby have at birth?
A) 106
B) 206
C) 300
D) 600

Q12. How many bones does an adult human body have?

A) 106
B) 206
C) 300
D) 700

Q13. Why do adults have fewer bones than babies?

A) Bones break as we grow
B) Bones shrink
C) Bones join together as we grow
D) Bones disappear

Q14. The process of bones joining together as we grow is called:

A) Breaking
B) Healing
C) Merging
D) Fusing

Q15. Which of these statements is correct?

A) Babies have stronger bones than adults
B) Adults have more bones than babies
C) Babies have more bones than adults
D) Everyone has the same number of bones

✅ Topic 4: Major Bones in the Body

Q16. Which is the longest bone in the human body?

A) Humerus
B) Tibia
C) Femur
D) Skull

Q17. Which bone protects your brain?

A) Spine
B) Skull
C) Pelvis
D) Rib cage

Q18. What bones are found in your fingers and toes?

A) Femur
B) Tibia
C) Vertebrae
D) Phalanges

Q19. Which bones make up the chest cage?

A) Skull
B) Spine
C) Ribs
D) Pelvis

Q20. The backbone is made of small bones called:

A) Phalanges
B) Vertebrae
C) Humerus
D) Pelvis