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Yogita Ingle 5 years, 8 months ago
Irrational numbers: Irrational numbers are those which can’t be expressed in fractional form, i.e., in <nobr aria-hidden="true">pq</nobr>
form. They neither terminate nor do they repeat. They are also known as non- terminating non-repeating numbers.
A number√ x (square root of x) where x is positive and x is not a perfect square of a rational number, is not a rational number. As such √ x cannot be put in the form ab where a ∈ Z, b ∈ Z, and b ≠ 0. Such numbers are called irrational numbers.
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Yogita Ingle 5 years, 8 months ago
Autotrophic mode of nutrition
- In autotrophic mode of nutrition the living being produces their own food in the presence of simple substances.
- The organisms undergoing this mode of nutrition are termed as autotrophs (auto meaning self; trophos meaning nourishment).
- For example, plants.
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Yogita Ingle 5 years, 8 months ago
Autotrophs or Autotrophic: - Plants that have chlorophyll trap the energy from the sun and prepare their own food. Such nutrition wherein the food is prepared by the organisms itself is called autotrophic nutrition. The organisms capable of preparing their own food are called autotrophs. All green plants are Autotrophs (Auto means self and trophos means nourishment). They prepare their own food by a process called photosynthesis.
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Pratishtha Dwivedi 5 years, 8 months ago
Yogita Ingle 5 years, 8 months ago
The process of utilization of food by a living organism to obtain energy is called nutrition.
Mode of nutrition in plant Autotrophic Nutrition
Auto means self and trophos means nourishment. Plants are called autotrophs because they make their food themselves. The making of food for themselves is called the Autotrophic nutrition. Autotrophic nutrition is found in green plants, and in some bacteria.
Heterotrophic Nutrition
The word Heterotrophic is the combination of two words i.e. Hetero + Trophos. Hetero means ‘others’ and ‘trophos’ means nourishment. If organisms depend on others for their food, such a mode of nutrition is called Hetetrophic Nutrition.
Animals cannot make their food themselves. They depend for food upon plants. Therefore, nutrition in animals is called Hetetrophic Nutrition. Animals are known as Heterotrophs.
Saprotrophic Nutrition
The uptake of nutrients by organism from dead and decaying matter in the form of solution is called the saprotrophic nutrition. The organisms which use saprotrophic mode of nutrition are called saprotrophs. For example: fungi.
Posted by Balwinder Singh 5 years, 8 months ago
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Yogita Ingle 5 years, 8 months ago
By natural environment we mean the surroundings created by the nature. It comprises of the objects such as - mountains, plateaus, plains, valleys, forests, land, air, river, ocean, water and all living and non-living things etc.
Posted by Farhan Sayyed 5 years, 8 months ago
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Yogita Ingle 5 years, 8 months ago
| LIVING THINGS | NON LIVING THINGS |
| They possess life. | They do not possess life. |
| Living things are capable of giving birth to their young one. | Non living things do not reproduce. |
| For survival, living things are depended on water, air, and food. | They are self-dependent. |
| Living things are sensitive and responsive to stimuli | Non living things are not sensitive and do not respond to stimuli |
| Metabolic reactions occur constantly in all living things. | There are no Metabolic reactions in Non living things. |
| Living organisms undergo growth and development. | Non living things do not grow or develop. |
| They have a lifespan and are not immortal. | They have no lifespan and are immortal. |
| Living things move from one place to another. | Non living things cannot move by themselves. |
| They respire and exchange of gases takes place in their cells. | Non living things do not respire. |
| Example: Humans, animals, plants, insects. | Example: Rock, pen, buildings, gadgets. |
Posted by Jeevan Reddy 5 years, 8 months ago
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Yogita Ingle 5 years, 8 months ago
Nutrients are the compounds in food that provide us with energy that facilitates repair and growth and helps to carry out different life processes.
In general, there are two types of nutrients:
- Macronutrients
- Micronutrients
Posted by Sangita Srivastava 5 years, 8 months ago
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Meghna Thapar 5 years, 8 months ago
Cricket was popular and widely documented in England during the 1700s. The world's first cricket club was formed in Hambledon in the 1760s and the world-famous Marylebone Cricket Club (MCC) was founded in 1787.
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Meghna Thapar 5 years, 8 months ago
Fungi consist of molds, yeasts and mushrooms. Yeasts are single-celled organisms (like bacteria) while molds are long branching thread-like filaments (hyphae) that form visible colonies. Mushrooms are also filamentous fungi that form large “mushroom cap”.
Posted by Manpreet Kaur 5 years, 8 months ago
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Meghna Thapar 5 years, 8 months ago
"The Echoing Green" (or Ecchoing Green) is a poem by William Blake published in Songs of Innocence in 1789. The poem talks about merry sounds and images which accompany the children playing outdoors. Then, an old man happily remembers when he enjoyed playing with his friends during his own childhood.
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Yogita Ingle 5 years, 8 months ago
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