Q. No.The supportive skeletal structures in the human external ears and the nose tip are examples of:
1. Areolar tissue
2. Bone
3. Cartilage
4. Ligament
1. Areolar tissue
2. Bone
3. Cartilage
4. Ligament
Given below is the diagrammatic sketch of a certain type of connective tissue. Identify the parts labeled A, B, C, and D and select the right option for them:
| Part-A | Part-B | Part-C | Part-D | |
| 1. | Mast cell | Macrophage | Fibroblast | Collagen fibres |
| 2. | Macrophage | Collagen fibres | Fibroblast | Mast cell |
| 3. | Mast cell | Collagen fibres | Fibroblast | Macrophage |
| 4. | Macrophage | Fibroblast | Collagen fibres | Mast cell |
The four sketches (A, B, C, and D) given below, represent four different types of animal tissues. Which one of these is correctly identified in the options given, along with its correct location and function?
| Tissue | Location | Function | ||
| 1. | (C) | Collagen fibres | Cartilage | Attach skeletal muscles to bones |
| 2. | (D) | Smooth muscle tissue | Heart | Heart contraction |
| 3. | (A) | Columnar epithelium | Nephron | Secretion and absorption |
| 4. | (B) | Glandular epithelium | Intestine | Secretion |
Frogs differ from humans in possessing:
1. thyroid as well as parathyroid
2. paired cerebral hemispheres
3. hepatic portal system
4. nucleated red blood cells
The cells lining the blood vessels belong to the category of:
1. Connective tissue
2. Smooth muscle tissue
3. Squamous epithelium
4. Columnar epithelium
Ureters act as urinogenital ducts in:
1. frog's males
2. human males
3. human females
4. frogs, both males and females
Consider the following four statements (A-D) related to the common frog Rana tigrina, and select the correct option stating which ones are true (T) and which ones are false (F).
Statements:
| (A) | On dry land, it would die due to lack of O2 if its mouth is forcibly kept closed for a few days |
| (B) | It has a four-chambered heart |
| (C) | On dry land, it turns uricotelic from ureotelic |
| (D) | Its life history is carried out in pond water |
| (A) | (B) | (C) | (D) | |
| 1. | F | T | T | F |
| 2. | T | F | F | T |
| 3. | T | T | F | F |
| 4. | F | F | T | T |
| 1. | Smooth muscles, show branching, found in the walls of the heart |
| 2. | Cardiac muscles, unbranched muscles, found in the walls of the heart |
| 3. | Striated muscles, tapering at both ends attached to the bones of the ribs |
| 4. | Skeletal muscle, shows striations and is closely attached to the bones of the limbs |
Areolar connective tissue joins the:
1. fat body with muscles
2. integument with muscles
3. bones with muscles
4. bones with bones
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