Bone and cartilage are specialised connective tissues where:
I:
The cartilage has a very hard matrix due to calcium salts in it.
II:
The bone has highly pliable matrix due to chondroitin salts.
1. Only I is correct
2. Only II is correct
3. Both I and II are correct
4. Both I and II are incorrect
Subtopic: Â Connective Tissue |
 86%
From NCERT
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Which animal among the following respires via buccal cavity, moist skin and lungs?
1. Hydra
2. Frog
3. Sponge
4. Earthworm
1. Hydra
2. Frog
3. Sponge
4. Earthworm
Subtopic: Â Frogs: Anatomy (Respiratory System) |
 96%
From NCERT
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Subtopic: Â Connective Tissue |
 82%
From NCERT
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The connective tissue covering around the nerve fasciculi is _____a_____ while covering of bundle of nerves is ___b______ respectively
| 1. | a-epineurium | b-perineurium |
| 2. | a-endoneurim | b-epineurium |
| 3. | a-perineurium | b-epineurium |
| 4. | a-endoneurium | b-perineurium |
Subtopic: Â Connective Tissue |
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Match the type of glial cell shown in the figure with its function. Select the correct option.
| Gliacell | Function | |
| (A) | Microglia | Phagocytosis |
| (B) | Astrocyte | Production of myelin sheath |
| (C) | Ependymal cell | Production of CSF |
| (D) | Satellite cell | Mechanical support to the neuron |
Subtopic: Â Nervous Tissue |
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Subtopic: Â Connective Tissue |
From NCERT
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Subtopic: Â Compound & Specialised Epithelium |
 68%
From NCERT
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The blood of cockroach contains no respiratory pigment. It means that:
| 1. | respiration is anaerobic |
| 2. | cockroach does not respire |
| 3. | oxygen goes directly into tissues by diffusion |
| 4. | oxygen goes into tissue by intracellular capillary system |
Subtopic: Â Cockroach: Respiratory System |
 85%
From NCERT
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In the frog heart, there are cardiac muscles that consist of fibres called:
1. Purkinje fibres
2. myonemes
3. relodendria
4. columnae carnae
1. Purkinje fibres
2. myonemes
3. relodendria
4. columnae carnae
Subtopic: Â Frogs: Anatomy (Circulatory System) |
 61%
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In rabbit, end of a long bone is connected in another by
1. tendon
2. ligaments
3. muscle
4. cartilage
Subtopic: Â Connective Tissue |
 75%
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