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1.
The proteins and lipids, essential for building the cell membrane, are manufactured by:
2.
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.
Which among the following is not a function of the vacuole?
Which among the following is not a function of the vacuole?
3.
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?
(i) Osmosis
(ii) Diffusion
(iii) Endosmosis
(iv) Exosmosis
Choose the correct option among the following:
(i) Osmosis
(ii) Diffusion
(iii) Endosmosis
(iv) Exosmosis
Choose the correct option among the following:
4.
Among the following statements which one is incorrect?
5.
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.
6.
Cell is the structural and functional unit of life. The word cell is derived from the Latin word
7.
itochondria 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:
8.
The process of plasmolysis in plant cell is defined as:
9.
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?
10.
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.