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......... vision is formed in compound e...

......... vision is formed in compound eye of cockroach.

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**Step-by-Step Solution:** 1. **Identify the type of eye in cockroaches**: Cockroaches belong to the phylum Arthropoda and possess compound eyes. 2. **Understand the structure of compound eyes**: The compound eye is made up of numerous small units called ommatidia. Each ommatidium functions as an individual photoreceptive unit. 3. **Explain the function of ommatidia**: The ommatidia in the compound eye receive light and form images. Each ommatidium captures a portion of the visual field, and together they create a mosaic of images. ...
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ICSE-STRUCTURAL ORGANISATION IN ANIMALS -Test Your Progress (Fill in the blanks with appropriate words)
  1. Epithelial tissue lining a blood vessel is known as ……………..

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  2. A neuron receives a nerve impulse through ......... and transmits it t...

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  3. The junction of two neurons is called …………..

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  4. The structural and functional unit of the striated muscle fibre is ca...

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  5. Haversian system is a diagnostic feature of ………

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  6. ........... joins a muscle to a bone.

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  7. The main function of erythrocytes is to .....for which they contain a ...

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  8. Marrow cavity of the bone is lined by .......

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  9. The cells which secrete fibres in a connective tissue are known as ......

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  10. Pseudostratified epithelium lines the ................ tract while tra...

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  11. Nissi's granules are found in …………

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  12. Brush-bordered cuboidal epithelial cells bear ……… on their free ends...

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  13. Autorhythmicity is a special property of the muscles of the ………..

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  14. The main function of a stratified squamous epithelium is ………………

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  15. A tendon attaches a …………... to a…………....

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  16. Unit of ...... eye is ommatidium.

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  17. Ootheca is secreted by ........... gland.

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  18. Peritrophic membrane is found in …………… of cockroach.

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  19. Mouth parts of cockroach are ……….type

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  20. ......... vision is formed in compound eye of cockroach.

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