Standard VII

Q. Every human being starts with just one cell.

1. True
2. False

Q. The process of cell death is known as ___.

Q.

Life on Earth started from a single cell.

1. True

2. False

Q.

Match the discoveries with the scientist who have made it.
$\begin{array}{cc}\text{Column I}& \text{Column II}\\ a.\text{Anton Von Leeuwenhoek}& i.\text{All animals are made of cells}\\ b.\text{Robert Hooke}& ii.\text{Microscope}\\ c.\text{Theodor Schwann}& iii.\text{Cork has boxed structures}\\ d.\text{Matthias Schleiden}& iv.\text{All plants are made of cells}\end{array}$

1. a-ii, b-iii, c-iv, d-i

2. a-ii, b-i, c-iv, d-iii

3. a-iii, b-i, c-iv, d-ii

4. a-iii, b-ii, c-iv, d-i

Q. A group of similar cells that are specialised to perform specific functions is called ___

Q.

Explain the experiment done by Robert Hooke. [2 MARKS]

Q. Choose the option which correctly depicts the biological levels of organisation.

1. Cell $\to$ Organ $\to$ Tissue $\to$ Organ system $\to$Organism
2. Cell $\to$ Tissue $\to$ Organ system $\to$ Organ $\to$ Organism
3. Cell $\to$ Tissue $\to$ Organ $\to$ Organ system $\to$ Organism
4. Organ system $\to$ Organ $\to$ Tissue $\to$ Cell $\to$ Organism

Q.

All living cells are of the same shape and size.

1. True

2. False

Q.

Which of the following instruments can be used to observe cells?

1. Periscope

2. Telescope

3. Barometer

4. Microscope

Q. Which of the following scientists discovered cells in cork slices?

1. Carl Linnaeus
2. Robert Hooke
3. Antonie van Leeuwenhoek
4. Louis Pasteur