Locomotion and Movement

Q.

During a muscle contraction, which of the following shortens?

1. Sarcomeres

2. Actin and myosin filaments

3. A bands

4. All of these

Q. Which of the following is not the bone of cranium?

1. Occipital bone
2. Zygomatic bone
3. Ethmoid bone
4. Sphenoid bone

Q.

What is the function of Cnidoblast in Phylum Cnidaria?

Q. Assertion: All locomotions are movements but all movements are not locomotions.
Reason: Movement does not always cause a change in position.

1. The assertion is true but the reason is false
2. The reason is true but the assertion is false
3. Both the assertion and reason are true and the reason is the correct explanation for the assertion
4. Both the assertion and reason are true but the reason is not the correct explanation for the assertion

Q.

What is the abstract noun of Move?

Q.

What is the difference between Hemichordata and Chordata?

Q. The body cavity of nematodes is called pseudocoelom because

1. It is not lined by mesodermal epithelium.
2. It is derived from primitive gut or archenteron.
3. It is derived from mesodermal splitting
4. It is filled with parenchyma.

Q. Select the correct statement about bone.

1. Bone cells (osteoblasts) are dead in mature bone.
2. Bone is a very metabolically active tissue.
3. Bone stores, but does not release, inorganic salts.
4. Elderly people cannot rebuild bone.

Q.

upon contraction of sarcomere in skeletal muscle fibres , reduction is not observed in?

1. length of actin filaments

2. size of region enclosed by 2 z lines

3. h zone

4. i band

Q.

What is the meaning of Homoiothermous?

Q.

Locomotion requires a perfect coordinated activity of muscular .......... systems.

Q. Go through the following diagram describing muscle contraction.


Now identify A to E:

1. A-Cross bridge, B-Cross bridge formation, C-Breaking of cross-bridge, D-Sliding/ (rotation), E-ATP
2. A-Cross bridge, B-Cross bridge formation, C-Sliding/(rotation), D-Breaking of cross-bridge, E-ATP
3. A-Cross bridge, B- Breaking of cross-bridge, C-Sliding/(rotation), D- Cross bridge formation, E-AMP
4. A-Cross bridge, B- Cross bridge formation, C- Sliding/(rotation), D-ADP, E- Breaking of cross-bridges

Q.

Which statement about the structure of skeletal muscle is true ?

1. When a muscle contracts, the A bands of the sarcomere lengthen.

2. When a muscle contracts, the H bands of the sarcomere shorten.

3. The sarcoplasm of the muscle cell is contained within the sarcoplasmic reticulum.

4. The light bands of the sarcomere are the regions where actin and myosin filaments overlap

Q.

Is twisting a locomotor movement?

Q.

Explain the term homoiothermous.

Q. Basic unit of muscle contraction is :

1. Actin
2. Myosin
3. Sarcomere
4. Actomyosin

Q.

The study of movement is called -

1. Anatomy

2. Locomotion

3. Kinesiology

4. All the above

Q. True or False Questions

Paramecium has cilia for locomotion.

1. True
2. False

Q.

Do Knee-jerk Reflex Protect The Body?

Q.

Locomotion is one type of movement.

1. True
2. False

Q. What is the difference between movement and locomotion?

Q.

The functions of axial skeleton are

1. To make locomotion possible
2. Protect organs of excretion
3. Protect organs of digestion
4. All of above

Q. Why do giant squids have thick nerve fibres?

Q.

The study of movement is called -

1. Anatomy

2. Locomotion

3. Kinesiology

4. All the above

Q.

What is the smallest muscle in our body ?

Q. Human body exhibits type of movement is

1. Amoeboid
2. Ciliary
3. Muscular
4. All of the above

Q. Which one of the following movements is not locomotion ?

1. Cytoplasmic streaming
2. Escape from predators
3. Search of breeding grounds
4. Migration

Q. Read the following statements and select the correct
Statement 1 : Locomotion is the movement of an individual from one place to another.
Statement 2 : All movements are locomotion but all locomotion are not movement.

1. Statement 1 is Incorrect but statement 2 is correct
2. Both statements 1 and 2 are incorrect
3. Both statements 1 and 2 are correct
4. Statement 1 is correct but statement 2 is incorrect

Q.

What is locomotion? How does it helps the animal?

Q. Read the following statement and select the incorrect ones.
(i) Homeostasis ensures constant osmotic concentration of cells.
(ii) The famous keolado National park (Bharatpur) in Rajasthan hosts thousands of migratory birds coming from Siberia, in every winter.
(iii) 99% of animals and nearly all plants are regulators.
(iv) The conformers are able to maintain their body temperature inspire of changes in ambient temperature.

1. (i) and (ii)
2. (ii) and (iii)
3. (iii) and (iv)
4. (i) and (iv)