Why are plastids not found in animal cell?

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Solution

Animals lack plastids (chloroplast) because they do not synthesise their own food. They depend on other plants and animals for food. The other plastids (chromoplast and leucoplast) are also not required by animals as animals don't exhibit different colours.

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Q. Chloroplast and other specialized plastids are present in animal cells?

Pick the correct set of difference between plant and animal cells from the following table.

\begin{matrix} A n i m a l c e l l s & P l a n t c e l l s i . A n i m a l c e l l s h a v e l a r g e s i n g l e v a c u o l e & P l a n t c e l l s h a v e m a n y, s m a l l v a c u o l e s i i . A n i m a l c e l l s d o n o t h a v e p l a s t i d s & P l a n t c e l l s h a v e p l a s t i d s i i i . A n i m a l c e l l s d o n o t h a v e c e l l w a l l & P l a n t c e l l s h a v e c e l l w a l l o u t s i d e t h e p l a s m a m e m b r a n e i v . A n i m a l c e l l s a r e g r e e n i n c o l o u r & P l a n t c e l l s a r e n o t c o l o u r e d v . L y s o s o m e s a r e a l w a y s p r e s e n t & L y s o s o m e s a r e r a r e \end{matrix}

Plastids are present in both animal and plant cells.

Pick the correct set of difference between plant and animal cells from the following table:

$\begin{matrix} Animal cells & Plant cells i. Animal cells have large single vacuole & Plant cells have many small vacuoles ii. Animal cells do not have plastids & Plant cells have plastids including chloroplast iii. Animal cells do not have cell wall & Plant cells have cell wall outside the plasma membrane iv. Animal cells are green in colour & Plant cells are not colored v. Lysosomes are always present & Lysosomes are rare \end{matrix}$

Plastids in a plant cell are homologous to __ in an animal cell.

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