Skeletal System

Q.

What is the total number of bones in an adult human body?

1. 306
2. 200
3. 206
4. 300

Q.

Question 17

(a) Unscramble the jumbled words and write them in the blank spaces provided.
(i) neosb ____
(ii) tnemevom _____
(iii) iontcaronct _____
(iv) lsecsum _____
(v) arctigeal _____
(vi) epahs ______
(vii) sangro inerlan _____
(viii) laxaeriont _____

(b) Read the following paragraph and fill in the blanks using the words you unscrambled.
...(i)... and ...(ii)... form the skeleton of the human body. They provide the framework, give ...(iii)... to the body and help in ...(iv)... . They protect the ...(v)... . The bones are moved by alternate ...(vi)... and ...(vii).... of two sets of ...(viii)... attached to them.

Q.

Question 6
Diagrammatically show the difference between the three types of muscle fibres.

Q.

Total number of bones found in the human skull is?

Q.

Haversian canals are present in

1. Bones

2. Tendons

3. Ligaments

4. Cartilages

Q.

The place where two bones meet is a

1. Skull

2. Joint

3. Ligament

4. Tendon

Q.

What is the function of bone marrow?

Q.

The skeleton protects the ...(i)... The bones are moved by alternate ...(ii)... and ...(iii)..... of ...(iv)... attached to them.

1. (i)internal organs (ii)contraction (iii)relaxation (iv)muscles

2. (i)internal organs (ii)contraction (iii) muscles (iv)relaxation

3. (i)muscles (ii)contraction (iii)relaxation (iv)internal organs

4. (i)muscles (ii)contraction (iii)relaxation (iv)internal organs

Q. What are bones made of? Are the bones living or non-living? Give reasons

Q.

Fats are stored in the human body as

1. Adipose tissue

2. Bones

3. Cartilage

4. Cuboidal Epithelium

Q. What are the two basic types of plant tissues?

Q.

What is the main function of parenchyma ?

Q.

How many bones are present in the skeleton system of human?

1. 206

2. 308

3. 320

4. 210

Q. Which kind of tissue is seen most commonly in ear, trachea and larynx?

1. Bone
2. Cartilage
3. Areolar tissue
4. Adipose tissue

Q.

The backbone is also called …………….

Q.

Dermis of the skin is derived from __________. ( ectoderm, mesoderm, endoderm )

Q. helps in repair of tissues and fills up the space inside the organs.

1. Areolar tissue
2. Adipose tissue
3. Tendon

Q.

What is ossification?

1. Formation of bone

2. Formation of cartilage

3. Formation of tendons

4. None of the above

Q.

What is the skeletal system?

1. All the muscles and tendons

2. All the body's organs, both soft and hard tissue

3. All the bones in the body and the tissues that connect them

4. All the bones in the body

Q.

How many bones are there in an adult human?

1. 206

2. 306

3. 300

4. 600

Q.

— gives flexibility in plants.

Q. What are the uses of the skeleton in our body?

Q.

Identify the incorrect statement regarding cartilage.

1. Cartilage is not rigid, but highly flexible. This facilitates the bending of parts containing cartilage.

2. It is present in trachea and larynx.

3. Cartilage is highly rigid and inflexible

4. Cells of cartilage are widely spaced.

Q. Which type of tissue exerts the greatest control over the body’s response?

1. Nervous tissue
2. Muscular tissue
3. Epithelial tissue
4. Connective tissue

Q. Which of the following statements is incorrect?

1. Intervertebral discs form cushions between two vertebrae.
2. The first cervical vertebra is the atlas, and the second cervical vertebra is the axis.
3. The coccyx is also known as the tailbone.
4. The sacrum is formed by the fusion of four vertebrae.

Q. Give one example of each of the following tissues where they are located.
(i) Ciliated columnar epithelium

Q. Name the kind of animal tissue in which
(i) Cells are flat, cuboidal or columnar, forming protective layer.

Q. Factors affecting basic strength

Q. The cartilage is avascular in nature. It relies on____________ for blood supply.

1. Matrix
2. Perichondrium
3. Haversian Canals
4. Lacunae

Q.

A tissue always performs the same function.

1. True
2. False