Cells and Tissues

Q. List two differences between compound and electron microscopes.

Q. What are Bacteria? Give a short note on different sizes of bacteria.

Q. The fundamental unit of life is cell. Comment.

Q.

Different cells have different functions. Explain

Q. Is granular layer living or dead?

Q.

We know that cells are the structural and functional unit of life. what is the next level of the hierarchy of classification? Why do we need it?

Q.

Group of similar cells which perform same function are called__________.

1. Tissues

2. Organs

3. Organ System

4. Cells

Q. In which part of cell would you find genes?

1. Endoplasmic reticulum
2. Chromosomes
3. Lysosomes
4. Vacuoles

Q. What lesson does Ebright learn when he does not win anything at a science fair?

Q.

Cell growth in animals is more uniform as compared to plants.

1. True

2. False

Q. Which among the following is the correct set of examples of tissues?

1. Amoeba, WBC and RBC
2. Blood, phloem and muscle
3. Liver, lungs and kidney
4. Xylem, heart and platelets

Q. Many tissues organise to form an _____.

1. organ
2. organ system
3. organism
4. organelle

Q. Plants and animals have same type of tissues.

1. True
2. False

Q. A family of cells, similar in structure and function is called a/an.

1. organ
2. tissue
3. organ system
4. nervous system

Q. In which part of cell would you find genes?

1. Endoplasmic reticulum
2. Chromosomes
3. Lysosomes
4. Vacuoles

Q. Different between light microscope and electron microscope.

Q.

Based on which of the following criteria, plant tissues are categorised into meristematic and permanent tissues?

1. Capacity to do photosynthesis

2. Capacity to divide

3. Capacity to move

4. Complexity to perform a function

Q. Group of one or more type of similar cells with a similar origin and specialised to perform specific function(s) are called ______.

1. organelles
2. tissues
3. organs
4. organ system

Q. Group of one or more type of similar cells with a similar origin and specialised to perform specific function(s) are called ______.

1. organelles
2. organs
3. tissues
4. organ system

Q. Sort the following levels of organisation from the simplest (top) to the most complex (bottom).

1. Cell
2. Tissue
3. Organ
4. Organ system
5. Organism