PRELIMINARY STAGE 2024
Accra Girls SHS: 39 points
Notre Dame Girls SHS: 34 Points
Aburi Girls SHS: 27 points
T.I. AMASS, Kumasi vs Amenfiman SHS vs Tuobodom SHTS
ROUND 5 - RIDDLE
RIDDLE
I am a dense, white, fibrous connective tissue.
I am avascular, meaning I have no blood supply of my own.
I cover the ends of bones where they meet in a joint.
I reduce friction and act as a shock absorber.
Who am I?
ANSWER: Cartilage
EXPLANATION:
Cartilage is the connective tissue that provides support and cushioning to joints.
It is avascular, relying on diffusion for its nutrient supply.
NOTE: The cartilage covering the ends of bones at joints is hyaline cartilage, which is glassy and bluish-white; dense white fibrous tissue usually describes tendons and ligaments.
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PRACTICE QUESTIONS
1. RIDDLE:
I am a cell.
I am found in a connective tissue.
I sit in a small space called a lacuna.
I make a matrix of collagen and proteoglycans.
I get my food by diffusion, since my tissue has no blood vessels.
My name comes from the Greek word "chondros".
Who am I?
ANSWER: CHONDROCYTE
EXPLANATION:
Chondrocytes are cartilage cells.
2. RIDDLE:
I am a membrane.
I am dense connective tissue.
I surround most cartilage.
I contain blood vessels.
Nutrients diffuse from me into the cartilage.
My name means "around cartilage".
Who am I?
ANSWER: PERICHONDRIUM
EXPLANATION:
The perichondrium surrounds cartilage and supplies it by diffusion.
3. RIDDLE:
I am a type of cartilage.
I am the most common type.
I look glassy and bluish-white.
I cover the ends of bones at joints.
I form the rings of the trachea and the tip of the nose.
Most of the embryo's skeleton is first made of me.
Who am I?
ANSWER: HYALINE CARTILAGE
EXPLANATION:
Hyaline cartilage is the glassy articular cartilage.
4. RIDDLE:
I am a type of cartilage.
I look yellowish.
I contain a network of elastin fibres.
I bend and spring back into shape.
I support the epiglottis.
I shape the outer ear.
Who am I?
ANSWER: ELASTIC CARTILAGE
EXPLANATION:
Elastic cartilage is found in the outer ear and epiglottis.
5. RIDDLE:
I am a type of cartilage.
I am the toughest type.
I contain thick bundles of collagen.
I resist compression.
I form the menisci of the knee and the pubic symphysis.
I form the intervertebral discs.
Who am I?
ANSWER: FIBROCARTILAGE
EXPLANATION:
Fibrocartilage forms intervertebral discs.
6. RIDDLE:
I am a connective tissue.
I am dense and fibrous.
I am slightly elastic.
I hold joints together.
I am torn in a sprain.
I join bone to bone.
Who am I?
ANSWER: LIGAMENT
EXPLANATION:
Ligaments join bone to bone.
7. RIDDLE:
I am a connective tissue.
I am dense, white and fibrous.
I hardly stretch.
I pass the pull of a muscle on to a bone.
The Achilles is the strongest of my kind.
I join muscle to bone.
Who am I?
ANSWER: TENDON
EXPLANATION:
Tendons join muscle to bone.
8. RIDDLE:
I am a liquid.
I am thick, like egg white.
I am secreted by the membrane lining a joint capsule.
I lubricate the joint.
I nourish the articular cartilage.
I fill freely movable joints.
Who am I?
ANSWER: SYNOVIAL FLUID
EXPLANATION:
Synovial fluid lubricates joints and nourishes articular cartilage.
9. RIDDLE:
I am a class of vertebrates.
My members are fish.
My members have no swim bladder.
My members have tooth-like placoid scales.
My members' skeleton is made of cartilage, not bone.
Sharks and rays belong to me.
Who am I?
ANSWER: CHONDRICHTHYES
EXPLANATION:
Chondrichthyes are the cartilaginous fishes.