Question

Please answer these questions as per class 9th and answering 1 question would also be a great help.
1)describe prokaryotic cell
2)describe eukaryotic cell
3)Differentiate between a plant cell and an animal cell.
4)Write a short note on vacuoles.
5)How are mitochondria important for the cell?
6)Describe the chemical composition of cell wall.
7)Name the functional segment of DNA.
8)List two similarities between mitochondria and plastids.
9)Give the functions of following organelles of the cell:
(a) Chloroplast (b) Nucleus (c) Leucoplast (d) Chromoplast
10)Write the names of two cell organelles that have their own DNA and ribosomes.
11)What is endocytosis? Name an organism that feeds by this method.
12)State cell theory. Name the scientist who presented it.

Answer 1

1. Prokaryotic Cells -In some organism DNA and RNA genetic substance are bounded by a membrane this is termed as true nucleus
Prokaryotic cells are in which true nucleus is absent.