Olympiad Test: Cell - The Fundamental Unit of Life- 2 - Class 9 MCQ

The colourless plastid or leucoplast gets differentiated to form alueroplast or proteinoplast.

Its main function is to store proteins in plant cells.

So the correct answer is 'Aleuroplasts'.

So, the correct answer is option B.

The ribosome is the only organelle that can be seen in both prokaryotic and eukaryotic cells, though the types of ribosomes in the two types of cells vary.

Hence, the correct option is C.

The protoplasm consists of cytoplasm, nucleus and the cell membrane.

Mitochondria is the power house of cell because it is the site for formation and storage of energy in the form of ATP.

The chloroplast is the kitchen of the cell which contains chlorophyll pigment- helps in photosynthesis.

The lysosome is otherwise known as a suicidal bag. This is because of the presence of several hydrolytic enzymes which helps in the lysis of unwanted substances entering the cell and on high pH it can digest its own cell. Thus, the correct answer is option A.

Cytoplasm refers to the living the material or the protoplast within a cell excluding the nucleus.

So, the correct answer is option C.

Mango tree is an angiosperm plant. It shows the presence of thick cellulosic cell wall.

Cactus is a xerophytic plant. It shows the presence of thick, cellulosic cell wall. Cell wall prevents the loss of water from plant body.

Bacteria shows cell wall around its cell membrane. The bacterial cell wall is made up of peptidoglycan. Thus, the correct answer is option C.

Ribosomes, Cytoskeletal structures, Centrioles, Basal bodies, Cilia and flagella.

The rough endoplasmic reticulum produces and transports protein and the smooth endoplasmic reticulum produces and transports lipid which provides a framework to the plasma membrane a known as membrane biogenesis.

So, the correct answer is option D.