Discovery of Cell

Q. Who discovered living cells?

1. Robert Brown
2. Rudolf Virchow
3. Anton Van Leeuwenhoek
4. Theodor Schwann

Q.

Diagrams of cells of an onion peel were labelled by four students as given below. The correctly labelled diagram is

1. A
2. B
3. C
4. D

Q.

What does cytology mean?

Q.

How were cells discovered?

Q.

Cell was first discovered by

1. Robert Hooke

2. Leeuwenhoek
3. Robert Brown
4. Robert Swanson

Q. Which postulate from the cell theory indicates that all living organisms have a common ancestor?

Q.

_____________ is credited for the discovery of a cell.

Q. Who observed and coined the word cells for the first time?

1. Robert brown
2. Robert Hooke
3. Leeuwenhoek
4. Robert cook

Q.

Who is credited as "the scientist who discovered cells"?

Q. Name the process in which a programmed sequence of events leads to the death of cells.

1. Respiration
2. Differentiation
3. Apoptosis
4. Magnification

Q. Who stated first of all that new cells are formed from a division of pre-existing cells?

Q. ____________ discovered the cell while observing a thin slice of cork.

1. Isaac Newton
2. Robert Hooke

Q. Name the scientist who observed a thin slice of cork through a microscope and coined the term ‘cell’.

Q.

Discovery of the cell was possible due to the discovery of a telescope.

1. True
2. False

Q. Huxley suggested that 'protoplasm is the physical basis of life' in which of the following year?

1. 1668
2. 1768
3. 1868
4. 1660

Q. Name the process in which a programmed sequence of events leads to the death of cells.

1. Respiration
2. Differentiation
3. Apoptosis
4. Magnification

Q. The cell was discovered by .

1. Robert Swanson
2. Robert Brown
3. Robert Hooke

Q. In which year cell was discovered ?

1. 1665
2. 1775
3. 1675
4. 1695

Q. Write two differences between the simple microscope and the compound microscope.

Q. discovered the nucleus.

1. Leeuwenhoek
2. Gregor Mendel
3. Robert Brown

Q. Match the following:

1. Plant-made of cells
2. Invented microscope
3. Discovered cell
4. Animal-made of cells

Q. ____________ discovered the cell while observing a thin slice of cork.

1. Isaac Newton
2. Robert Hooke

Q. discovered the nucleus.

1. Leeuwenhoek
2. Gregor Mendel
3. Robert Brown

Q. Purkinje identified the fluid substance of the cell and named it as:
A. Nucleolus
B. Cytoplasm
C. Protoplasm
D. Nucleoplasm

Q. To understand objects that are too small or too large to see,

1. physical model is used
2. mathematical model is used
3. conceptual model is used
4. mechanical model is used

Q. What type of microorganisms can we observe in pond water?

Q. Robert Hooke was the first person who saw cells using a microscope. Which among the following options is/are true about his observation?

1. He observed the cork cells dividing.
2. He observed organelles like chloroplasts and mitochondria in cork cells.
3. He observed the dead cells of cork.
4. He discovered the nucleus in the cell.

Q. discovered the nucleus.

1. Leeuwenhoek
2. Robert Brown
3. Gregor Mendel

Q. Which of the following organism can be observed in the smear of pond water?

1. Fungi
2. Bacteria
3. Protozoa
4. Virus
5. Both B and C