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Plant name which release carbon dioxide in the night time
- Aloe Vera
- Snake Plant
- Peepal
- Orchids
Posted by Likhita Kumari Sahu 5 years, 4 months ago
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Tanishk Sharma 5 years, 4 months ago
Yogita Ingle 5 years, 4 months ago
Homologous Series
- A series of carbon compounds in which same functional group substitutes the hydrogen atom is called a homologous series.
- These compounds have similar chemical properties due to the addition of same kind of functional group throughout the chain.
- For example, the series of alkanes i.e. Methane, ethane, propane, butane and so on is a homologous series.
- Similarly the series of alkene and alkynes also forms homologous series.
Homologous series of alkenes are as follows:
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Anjum Akhtar Khan 5 years, 4 months ago
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Gaurav Seth 5 years, 4 months ago
|
Conductors |
Insulators |
|
They allow electricity to pass through them. |
They do not allow electricity to pass through them. |
|
They have electric charges free to move. |
They have electric charges which are not free to move. |
|
When some charge is transferred to a conductor, it readily distributes over the entire surface. |
When some charge is transferred to an insulator, it remains at the same place over the surface. |
|
Most metals are conductors. |
Most non-metals are insulators. |
Posted by Nimit Chauhan 5 years, 4 months ago
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Posted by Dhruv Patel 5 years, 4 months ago
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Gaurav Seth 5 years, 4 months ago
1) Many organisms have the ability to give rise to new individual organisms from their body parts.
2) Regeneration happens through mitosis and a particular type of tissue can give rise
to its own kind only. .
3) In complex organisms, different tissues and organs have altogether different structures.
4) Regenerating a different kind of tissue from another kjnd is not possible.
5) Hence complex organisms are not able to give rise to new individuals through regeneration.
Posted by Siva Sarath 5 years, 4 months ago
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Yogita Ingle 5 years, 4 months ago
The reproductive parts of a flower consist of the following:
- Stamen: This is the male reproductive organ and is also known as Androecium. It consists of two parts namely: anther and filaments.
- The anther is a yellowish, sac-like structure, involved in producing and storing the pollens.
- The filament is a slender, threadlike object, which functions by supporting the anther.
- Pistil: This is the innermost part and the female reproductive organ of a flower which comprises three parts -stigma, style and ovary. This is collectively known as the pistil.
- Stigma: It is the topmost part or receptive tip of carpels in the gynoecium of a flower.
- Style: It is the long tube-like slender stalk that connects stigma and the ovary.
- Ovary: It is the ductless reproductive gland that holds a lot of ovules. It is the part of the plant where the seed formation takes place.
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Himanshu Singh 123456789 Himanshu Singh 123456789 5 years, 4 months ago
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Yogita Ingle 5 years, 4 months ago
Some crystals of copper sulfate are dissolved in water. The resultant colour of the solution is blue.
If some of the crystals of anhydrous copper sulfate are dissolved in water the resultant colour of the solution is blue or some times sky blue.
The solution turns acidic.
The reaction in an endothermic reaction.
Posted by Anupama ?? 5 years, 4 months ago
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Yogita Ingle 5 years, 4 months ago
pH is defined as the measure of hydrogen ion concentration which is used for measuring the acidity or alkalinity of a given solution.
Following is the equation that is used for calculating the pH:
pH = -log[H+]
Values of pH
- The range of the pH scale varies from 0 to 14
- Solutions having a value of pH ranging 0 to 7 on pH scale are known as acidic and for the value of pH ranging 7 to 14 on pH scale are called basic solutions.
- Solutions having the value of pH equal to 7 on pH scale are termed as neutral solutions.
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The electrical Resistance is given by "Ohm".
And symbol os Ohm is Ω
Posted by Nisha Solanki 5 years, 4 months ago
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Yogita Ingle 5 years, 4 months ago
Apart from blood, lymph flows through lymphatic vessels. Lymph destroys the invading microorganisms and foreign particles in the lymph nodes. Blood is red coloured whereas lymph is colourless.
Posted by Nisha Solanki 5 years, 4 months ago
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Resistivity is the physical property of a particular substance which is having particular dimensions.
Resistivity is only proportional to the nature and temperature of the particular material.
Symbol is ρ
Md Shami Akhatar 5 years, 4 months ago
Posted by Abhign Parmar 5 years, 4 months ago
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Yogita Ingle 5 years, 4 months ago
A metallic conductor is loosely bound electrons called free electrons the metallic conductor is :- Positively charged. Negatively charged.
Posted by Dhanshree Mane 5 years, 4 months ago
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Yogita Ingle 5 years, 4 months ago
The breakdown of pyruvate to give carbon dioxide, water and energy takes place in mitochondria
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Yogita Ingle 5 years, 4 months ago
The mode of nutrition in which the organisms prepare their own food is called autotrophic mode of nutrition. The materials needed for this mode of nutrition are carbon dioxide, water, sunlight and chlorophyll from their surroundings.
Posted by Dhanshree Mane 5 years, 4 months ago
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Yogita Ingle 5 years, 4 months ago
Xylem tissues include tracheids, vessels, fibres and parenchyma and serve in the ascent of sap/water and minerals. Phloem tissues is a composed of four elements namely, sieve elements, companion cell, phloem fibres and phloem parenchyma and serve in translocation of organic nutrients. Transfer RNA (tRNA) serve as carrier RNA and transports amino acids from cell pool to the mRNA bound to the ribosome where the protein is being synthesized. Haemoglobin molecule contains four polypeptide chains and four heme prosthetic groups. It serves as a carrier of oxygen gas.
Posted by Dhanshree Mane 5 years, 4 months ago
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Yogita Ingle 5 years, 4 months ago
Kidneys are the bean shaped reddish brown paired organs that serve in maintaining the fluid electrolyte balance and acid base balance of body through the process of urine formation. Excretion refers to removal of metabolic waste from body. This makes kidneys part of excretory system. Nutrition refers to obtaining the food to meet the energy requirement for growth and development. Respiration refers to the process that allows entry of oxygen from air to blood and exit of carbon dioxide from blood to air. Transportation refers to movement of materials, mainly nutrients and gases, from one organ to other.
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Akshika Agrvanshi 5 years, 3 months ago
2Thank You