Cellular Structure

Q.

Describe the fluid mosaic model of plasma membrane.

Q.

What is prokaryotic and eukaryotic cell?

Q.

Which of the following is not a cell?

1. Red Blood Corpuscle (RBC)

2. Bacterium

3. Spermatozoa

4. Virus

Q.

Prokaryotic cells have no membrane-bound organelles.

1. True
2. False

Q. (a) In which part of plant Robert Hooke discovered a Cell, and how these cells appeared?

(b) Organism which can be seen only with the help of microscope are called as?

Q.

In organisms, all life activities are carried out within a single cell.

Q. Bacteria can be which of the following shapes?

1. Rod-shaped and clustered
2. All of the above
3. Sphere-shaped and in chains
4. Spiral-shaped and clustered

Q.

Which of the following organisms is unicellular?

1. Butterfly

2. Amoeba

3. Grasshopper

4. Moth

Q.

Which of the following are multicellular organisms?

1. Amoeba

2. Frog

3. Monkey

4. Snake

Q. The ‘control centre’ of the eukaryotic cell is ________

[Review question: Pg. No: 66]

Q.

Question 1
Who discovered cells and how?

Q. Which protozoan is considered to be a biological puzzle?

1. Amoeba
2. Euglena
3. Paramecium
4. Plasmodium

Q. How many types of cells are found in living organisms?

Q. WHAT ARE THE MAJOR GROUPS OF MICRO ORGANISMS?

Q. Assertion : The number of cells in a multicellular organism is inversely proportional to size of body.
Reason : All cells of biological world are alive.

1. Both Assertion and Reason are true and Reason is a correct explanation of Assertion
2. Both Assertion and Reason are true but Reason is not a correct explanation of Assertion
3. Assertion is true but Reason is false
4. Both Assertion and Reason are false
5. Assertion is false but reason is true.

Q. Do you think a cell can be called an organism? Justify

Q. Name the kinds of cells found in the following places:

1. Surface of the human skin
2. Salivery gland
3. Brain
4. Inner lining of the wind pipe

Q. Which of the following is a unicellular organism?

1. Amoeba
2. Onion
3. Banyan tree
4. Elephant

Q. Very short answer type.
How you can define the term cell?

Q.

The fundamental unit of life is

1. cell

2. tissue

3. organ

4. organ system

Q. How many cells are found in the organism?

Q. Why is the cell called a physiological unit?

Q.

List three major parts of a cell.

Q. Which of the following is a single celled organism?

1. Plasmodium
2. Bat
3. Rotifers
4. Spirochaetes

Q. Bacteria and other single-celled microorganisms evolved from Archaea.

1. False
2. True

Q. How do you say that a cell also has a life span and death like an organism? Give one example.

Q. Cell is the smallest unit of a living organism.

1. True
2. False

Q. Why is the cell called "the basic unit of life" ?

Q. Which of following organisms can be seen only under the microscope?

1. Unicellular
2. Multicellular
3. Vertebrates
4. All of the above

Q. Select multicellular organisms from the following.

1. Man
2. Mouse
3. Cockroach
4. Paramoecium