Chapter 5 – The Fundamental Unit of Life

A cell will swell up if

Which of the following statement marks as a difference between plant cell and animal cell?

Endoplasmic reticulum one of the cell organelles, exists as a membranous network that extends from outer membrane of nucleus to the plasma membrane making a connection between them.

Osmosis is a process by which molecules of a solvent tend to pass through a semipermeable membrane from a less concentrated solution into a more concentrated one. Can you pick out the option among the following which does not belong to this process?

The nucleus controls all the activities of the cell and acts as a site of DNA material and protein synthesis. It is composed of some components which all together give the nucleus its functionality. Here is shown a figure of nucleus with some of its components labeled as A, B, C and D. can you name these components correctly?

You must have observed that a fruit when unripe is green but it becomes beautifully coloured when ripe. According to you what is the reason behind this colour change.

Rahul’s mother was going to make pickle. For this she cut the vegetables into small pieces and put them in the sun for few hours. Rahul was observing all her activities very curiously and asked his mother if why she had put the salted vegetables in the sun. among the following what might be the most appropriate answer for his question?

The process of plasmolysis in plant cell is defined as:

Mitochondria are the sites of respiration in the cell. They oxidize carbohydrates and fats present in the cell to produce carbon dioxide, water and a lot of energy. The energy so released is stored in the form of ATP molecules. Since mitochondria in the cell are used to synthesize energy so, they are also called:

Cell is the structural and functional unit of life. The word cell is derived from the Latin word ‘cellula’ which means “a little room”. Can you name the scientist who coined the term cell?

In a test, a teacher collected the answers written by four students as the definition of osmosis as given below. Read carefully and select the correct one.

Among the following statements which one is incorrect?

Anjali wanted to eat rice and kidney bean (rajmah). She requested her mother to cook the same on next day. At night her mother took a cup of kidney beans and put them in a container having some water and the kept the container covered overnight. Next day it was observed that the kidney beans got swollen and were ready to be cooked. What is this phenomenon due to which kidney beans got swollen is known as?

A vacuole is a space or cavity within the cytoplasm of a cell, enclosed by a membrane and typically containing fluid. They are a kind of storage sacs that are very large sized in plant cell as compared to that in the animal cell.

The proteins and lipids, essential for building the cell membrane, are manufactured by:

The basic unit of life is:

Who discovered the cell?

The cell wall of a plant cell is made up of:

Which of the following controls all biological activities of a cell?

Which of the following is known as the ‘Power House’ of a cell?

Digestive Enzymes are found in:

Which is the longest cell of the human body?

Which of the following cell organelles functions both as an intracellular transport system and as a manufacturing surface?

Which of the following cell organelles help in the storage, modification, and packaging of substances manufactured in the cell?

Who proposed the “Black Reaction”?

Who discovered the nucleus in the cell?

Which of the following are formed in bone marrow?

Which of the following can be made into crystal?

Chromosomes are made up of:

Which of the following are covered by a single membrane?