Structure of Bacteria

Q.

Draw a labelled diagram of a bacterial cell.

Q.

In prokaryotes ribosomes are attached to______

Q.

What Is The Main Function Of Bacteria?

Q.

What are pleomorphic bacteria?

Q.

What is the reason for the sticky character of the bacterial wall?

Q.

Do Eukaryotes have flagella?

Q. Are bacteria's are classified according to their shape if yes the how?

Q.

WHAT ARE PEROXISOMES ?WHY THEY ARE PRESENTED MAINLY IN KIDNEY AND LIVER?

Q. In prokaryotes, chromatophores are

1. Specialised granules responsible for colouration of cells
2. Inclusion bodies lying free inside the cells for carrying out various metabolic activities
3. Structures responsible for organizing the shape of the cell
4. Internal membrane system that may become extensive and complex in photosynthetic bacteria

Q.

Where does double-stranded or dsDNA occur?

Q. Bacterial flagella are made up of ______.

1. proteins
2. carbohydrates
3. amines
4. lipids

Q. With the help of well labelled diagram describe the structure of a bacterial cell.

Q.

In prokaryotes, is polysome an inclusion body?

Q. Question 45 (c)
Fill in the blanks
(c) Prokaryotes are grouped in Kingdom__.

Q.

Cell wall is made up of tough and complex sugars in ______.

Q.

In bacteria, which structures serve as mitochondria?

1. Nucleoid

2. Ribosomes

3. Cell Wall

4. Mesosomes

Q.

Is a cell wall present in diatoms?

Q.

Is the flagellum the organ of motility?

Q.

What are plasmids? (1 marks)

Q. Muramic acid is present in cell walls of

1. Bacteria
2. Green algae
3. Yeast
4. All fungi

Q.

A cell wall is made of __________.

1. Polysaccharide

2. Disaccharide

3. Cellulose

4. All of the above

Q.

What is myelin sheath? Where do we find it?

Q.

The nucleus establshes a communication pathway with the cell membrane by the help of which organelle?

Q.

Where does the lac repressor protein come from?

Q. Which of the following is the rod shaped bacteria?

1. Bacillus
2. Vibrio
3. Spirillum
4. Coccus

Q.

Why lysosome fuses and create phagosome

Q.

Name the algae useful for prolonged space flight. Why?

Q. Bacterial cell membrane is made up of

1. Chitin
2. Cellulose
3. Proteins and phospholipids
4. Fats

Q.

How do methanogenic bacteria generate ATP?

Q. Bacteria attach to the host cell with the help of bristle-like structures called

1. Cell wall
2. Pili
3. Flagella
4. Fimbriae