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Read the following A-D statements:

A. Bones support and protects softer tissue and organs.

B. The bone cells (Osteocytes) are present in the spaces called lacunae.

C. The limb bones, such as the long bones of the legs, serve weight bearing functions.

D. The bone marrow in some bones is the site of production of blood cells.

How many of the above statements are correct?

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Important Questions on Develop and use a model to illustrate the hierarchical organization of interacting systems that provide specific functions within multicellular organisms.

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Life Sciences>From Molecules to Organisms: Structures and Processes>Develop and use a model to illustrate the hierarchical organization of interacting systems that provide specific functions within multicellular organisms.>Structure and Function - Multicellular organisms have a hierarchical structural organization, in which any one system is made up of numerous parts and is itself a component of the next level
A person has 400 million alveoli per lung with an average radius of 0.1 mm for each alveolus. Considering the alveoli are spherical in shape, the total respiratory surface of that person is closest to
EASY
Life Sciences>From Molecules to Organisms: Structures and Processes>Develop and use a model to illustrate the hierarchical organization of interacting systems that provide specific functions within multicellular organisms.>Structure and Function - Multicellular organisms have a hierarchical structural organization, in which any one system is made up of numerous parts and is itself a component of the next level
Which of the following statements is true about glandular epithelium in the salivary gland?
HARD
Life Sciences>From Molecules to Organisms: Structures and Processes>Develop and use a model to illustrate the hierarchical organization of interacting systems that provide specific functions within multicellular organisms.>Structure and Function - Multicellular organisms have a hierarchical structural organization, in which any one system is made up of numerous parts and is itself a component of the next level
Given below are the four schematics that describe the dependence of the rate of an enzymatic reaction on temperature. Which of the following combination is true for thermophilic and psychrophilic organisms?

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Life Sciences>From Molecules to Organisms: Structures and Processes>Develop and use a model to illustrate the hierarchical organization of interacting systems that provide specific functions within multicellular organisms.>Structure and Function - Multicellular organisms have a hierarchical structural organization, in which any one system is made up of numerous parts and is itself a component of the next level
Choose the correctly matched pair:
HARD
Life Sciences>From Molecules to Organisms: Structures and Processes>Develop and use a model to illustrate the hierarchical organization of interacting systems that provide specific functions within multicellular organisms.>Structure and Function - Multicellular organisms have a hierarchical structural organization, in which any one system is made up of numerous parts and is itself a component of the next level
Which type of tissue is correctly paired with its location?
EASY
Life Sciences>From Molecules to Organisms: Structures and Processes>Develop and use a model to illustrate the hierarchical organization of interacting systems that provide specific functions within multicellular organisms.>Structure and Function - Multicellular organisms have a hierarchical structural organization, in which any one system is made up of numerous parts and is itself a component of the next level
The ciliated epithelial cells are required to move particles or mucus in a specific direction. In humans, these cells are mainly present in:
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Life Sciences>From Molecules to Organisms: Structures and Processes>Develop and use a model to illustrate the hierarchical organization of interacting systems that provide specific functions within multicellular organisms.>Structure and Function - Multicellular organisms have a hierarchical structural organization, in which any one system is made up of numerous parts and is itself a component of the next level
Epithelial cells in animals are held by specialized junctions, one of them being "Gap junction". Function of a "Gap junction" is to
MEDIUM
Life Sciences>From Molecules to Organisms: Structures and Processes>Develop and use a model to illustrate the hierarchical organization of interacting systems that provide specific functions within multicellular organisms.>Structure and Function - Multicellular organisms have a hierarchical structural organization, in which any one system is made up of numerous parts and is itself a component of the next level

The graph below depicts the velocity of an enzyme-catalyzed reaction vs. substrate concentration. Identify the alphabets with the correct descriptions.

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I. A= Enzyme activity

II. B= Substrate concentration at maximum velocity

III. A= Substrate concentration at which half of the maximum velocity

IV. B= Half of the maximum velocity

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Life Sciences>From Molecules to Organisms: Structures and Processes>Develop and use a model to illustrate the hierarchical organization of interacting systems that provide specific functions within multicellular organisms.>Structure and Function - Multicellular organisms have a hierarchical structural organization, in which any one system is made up of numerous parts and is itself a component of the next level
Which of the following is not a function of the skeletal system?
EASY
Life Sciences>From Molecules to Organisms: Structures and Processes>Develop and use a model to illustrate the hierarchical organization of interacting systems that provide specific functions within multicellular organisms.>Structure and Function - Multicellular organisms have a hierarchical structural organization, in which any one system is made up of numerous parts and is itself a component of the next level
The function of the gap junction is to:
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Life Sciences>From Molecules to Organisms: Structures and Processes>Develop and use a model to illustrate the hierarchical organization of interacting systems that provide specific functions within multicellular organisms.>Structure and Function - Multicellular organisms have a hierarchical structural organization, in which any one system is made up of numerous parts and is itself a component of the next level
Select the option which is not correct with respect to enzyme action:
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Life Sciences>From Molecules to Organisms: Structures and Processes>Develop and use a model to illustrate the hierarchical organization of interacting systems that provide specific functions within multicellular organisms.>Structure and Function - Multicellular organisms have a hierarchical structural organization, in which any one system is made up of numerous parts and is itself a component of the next level

Match the following.

List I List II
A) Dermal bones I) Girdles
B) Replacing bones II) Pisiform bone
C) Visceral bones III) Cranium
D) Sesamoid bone IV) Os cordis
  V) Osteon

The correct match is:

EASY
Life Sciences>From Molecules to Organisms: Structures and Processes>Develop and use a model to illustrate the hierarchical organization of interacting systems that provide specific functions within multicellular organisms.>Structure and Function - Multicellular organisms have a hierarchical structural organization, in which any one system is made up of numerous parts and is itself a component of the next level
Select the incorrectly matched pair from following:
EASY
Life Sciences>From Molecules to Organisms: Structures and Processes>Develop and use a model to illustrate the hierarchical organization of interacting systems that provide specific functions within multicellular organisms.>Structure and Function - Multicellular organisms have a hierarchical structural organization, in which any one system is made up of numerous parts and is itself a component of the next level
Part of epidermis that keeps out unwanted particles is called:
EASY
Life Sciences>From Molecules to Organisms: Structures and Processes>Develop and use a model to illustrate the hierarchical organization of interacting systems that provide specific functions within multicellular organisms.>Structure and Function - Multicellular organisms have a hierarchical structural organization, in which any one system is made up of numerous parts and is itself a component of the next level

Statement I : Tendons attach one bone with another bone.
Statement II : Epiglottis is formed by elastic cartilage.

The correct option among the following is

EASY
Life Sciences>From Molecules to Organisms: Structures and Processes>Develop and use a model to illustrate the hierarchical organization of interacting systems that provide specific functions within multicellular organisms.>Structure and Function - Multicellular organisms have a hierarchical structural organization, in which any one system is made up of numerous parts and is itself a component of the next level
Assertion (A) : Skeletal muscle fibre is in syncytial state
Reason (R):  It is formed by fusion of cells
EASY
Life Sciences>From Molecules to Organisms: Structures and Processes>Develop and use a model to illustrate the hierarchical organization of interacting systems that provide specific functions within multicellular organisms.>Structure and Function - Multicellular organisms have a hierarchical structural organization, in which any one system is made up of numerous parts and is itself a component of the next level
Study the following statements and identify the incorrect one
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Life Sciences>From Molecules to Organisms: Structures and Processes>Develop and use a model to illustrate the hierarchical organization of interacting systems that provide specific functions within multicellular organisms.>Structure and Function - Multicellular organisms have a hierarchical structural organization, in which any one system is made up of numerous parts and is itself a component of the next level
Which of the following describes the given graph

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HARD
Life Sciences>From Molecules to Organisms: Structures and Processes>Develop and use a model to illustrate the hierarchical organization of interacting systems that provide specific functions within multicellular organisms.>Structure and Function - Multicellular organisms have a hierarchical structural organization, in which any one system is made up of numerous parts and is itself a component of the next level
It is much easier for a small animal to run uphill than for a large animal, because:
EASY
Life Sciences>From Molecules to Organisms: Structures and Processes>Develop and use a model to illustrate the hierarchical organization of interacting systems that provide specific functions within multicellular organisms.>Structure and Function - Multicellular organisms have a hierarchical structural organization, in which any one system is made up of numerous parts and is itself a component of the next level
Pick up the mismatched pair: