One very special feature in earthworm (Pheretima) is that –
1. Fertilisation for eggs occurs inside the body
2. The typhlosole greatly increases the effective absorption area of the digested food in the intestine
3. The S- shaped setae embedded in the integument are the defensive weapons used against the enemies
4. It has a long dorsal tubular heart

Subtopic:  Cockroach: Digestive System (OLD NCERT) |
 59%
From NCERT

To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.

Hints

To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.


Simple epithelium is a tissue in which the cells are
1. hardened and provide support to the organ
2. cemented directly to one another to form a single layer
3. continuously dividing to provide form to an organ
4. loosely connected to one another to form an irregular organ

Subtopic:  Simple Epithelium |
 68%
Please attempt this question first.
Hints
Please attempt this question first.

The polysaccharide present in the matrix of a cartilage is known as
1. cartilagin
2. ossein
3. chondroitin
4. cassein

Subtopic:  Connective Tissue |
 78%
Please attempt this question first.
Hints
Please attempt this question first.

advertisementadvertisement

A piece of bone, such as femur of frog, if kept in dilute HCI for about a week will

1. assume black colour 2. shrink in size
3. turn flexible 4. crack into pieces
Subtopic:  Connective Tissue |
 59%
Please attempt this question first.
Hints

During an injury, nasal septum gets damaged. For its restoration, which cartilage is preferred?
1. Hyaline cartilage
2. Elastic cartilage
3. Calcified cartilage
4. Fibro cartilage

Subtopic:  Connective Tissue |
 65%
Please attempt this question first.
Hints

Which cartilage is present at the end of long bones?

1. Calcified cartilage 2. Hyaline cartilage
3. Elastic cartilage 4. Fibrous cartilage
Subtopic:  Connective Tissue |
 59%
Please attempt this question first.
Hints

advertisementadvertisement

Collagen is a
1. fibrous protein
2. globular protein
3. lipid
4. carbohydrate

Subtopic:  Connective Tissue |
 88%
From NCERT

To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.

Hints

To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.


Which one of the following contains the largest quantity of extracellular material?
1. Myelinated nerve fibres
2. Striated muscle
3. Areolar tissue
4. Stratified epithelium

Subtopic:  Connective Tissue | Cardiac Muscle & Smooth Muscle |
 73%

To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.

Hints

To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.


Mast cells of connective tissue contain
1. vasopressin and relaxin
2. heparin and histamine
3. heparin and calcitonin
4. serotonin and melanin

Subtopic:  Connective Tissue |
 90%

To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.

Hints

To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.


advertisementadvertisement

Areolar connective tissue joins
1. integument to the muscles
2. bones to the muscles
3. bones to the bones
4. fat body to the muscles

Subtopic:  Connective Tissue |
 56%
From NCERT

To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.

Hints