Levels of Organisation

Q.

Is the human body made of cells or atoms or molecules?

Q.

Which tissue is responsible for the increase in the girth of the stem?

1. Apical meristem

2. Cambium

3. Intercalary meristem

4. Xylem

Q. Which of the following are characteristics of skeletal muscles?

1. Alternate light and dark bands
2. Multinucleated cells
3. Long and cylindrical cells
4. Uninucleated cells

Q.

______ are the structural and functional units of an organ.

1. Molecules

2. Cells

3. Tissues

4. Atoms

Q. Are blood vessels tissues or organs?

Q. A mature sieve tube differs from vessel in:

1. Lacking cytoplasm
2. Being nearly dead
3. Absence of lignified walls
4. Lacking a functional nucleus

Q.

Assertion: Ciliated epithelium helps in the movement of particles.
Reason: Cilia helps in movement.

1. If both Assertion and Reason are correct and Reason is the correct explanation of Assertion

2. If both Assertion and Reason are correct, but Reason is not the correct explanation of Assertion

3. If Assertion is correct but Reason is incorrect.

4. If Assertion is incorrect but Reason is correct.

Q.

All cells in our body are structurally and functionally similar.

1. True

2. False

Q. What are the different levels of structural Organisation in animals.

Q.

Which organ system do the heart and blood vessels belong to?

1. Circulatory system

2. Excretory system

3. Digestive system

4. Immune system

Q.

Cells that a have a common origin

1. Organ system

2. Nervous system

3. Organ

4. Tissue

Q.

Meristematic tissues in plants

1. localized and permanent

2. not limited to certain regions

3. localized and dividing cells

4. growing in volume

Q.

Are all tissues the same?

Q. Arrange the levels of biological organisation starting from the lowest level.

1. Organism
2. Population
3. Community
4. Ecosystem

Q.

The given diagram is an example of

1. Organ system

2. Organism

3. Organ

4. Tissue

Q. X is a type of epithelium forming largest organ in human body. What is X?

1. Stratified squamous epithelium
2. Cuboidal epithelium
3. Glandular epithelium
4. Columnar epithelium

Q.

The tissue which is under the control of animal’s will is

1. Cardiac muscle

2. Striated muscle

3. Non-Striated muscle

4. Cartilage

Q. Succession can typically lead to the changes in ___

1. Species composition of an ecosystem
2. Stratification of an ecosystem
3. Energy flow in an ecosystem
4. Nutrient cycle in an ecosystem

Q.

Organisms come together to form which upper level of organisation?

1. Species

2. Population

3. Ecosystem

4. Community

Q.

Muscular tissues are formed by:

1. Mesoderm cells

2. Ectoderm cells

3. Endoderm cells

4. Both A and C

Q. Question 23
Identify the correct statement about cells.

(a) All the cells have nucleus.
(b) Cells of an organ have similar structure.
(c) Cells of a tissue have similar structure.
(d) Shape of all types of cells is round.

Q. Maintenance of steady state by different systems in an organism can be referred as

1. Necrosis
2. Homeostasis
3. Amoebiasis
4. Peristalsis

Q. Assertion :Specialization of cells is useful for organism. Reason: It increases the operational efficiency of an organism.

1. Both Assertion and Reason are correct and Reason is the correct explanation for Assertion.
2. Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion.
3. Assertion is correct but Reason is incorrect.
4. Both Assertion and Reason are incorrect.

Q. Study of body viscera, is called

1. Angiology
2. Conchology
3. Splanchnology
4. Rhinology

Q.

The smallest blood vessel of the circulatory system is ___.