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nucleusplasma membranecytoplasm

nucleus, plasma membrane , cytoplasm.

plasma membranenucleuscytoplasm

machines loudspeakervehicleschimneys in industry

Pointsource pollutionis defined by the U.S. Environmental Protection Agency (EPA) as “any single identifiablesource of pollutionfrom whichpollutantsare discharged, such as a pipe...” Examples of pointsourcesinclude: discharges from wastewater treatment plants; operational wastes from industries;

Centrosome is surrounded by microtubules located near the nucleus.

centosomes.................

The two contrasting trait observed by Mendel for height of plant were tall and dwarf, for color of pod were yellow and green.

Cancer is a disease which is caused when the cells starts to divide uncontrollably. The three main causes of cancers are:

1)Carcinogens: Carcinogens are those particles or materials which can cause cancer. For example tobacco, pollution, cigarette are some examples carcinogens.2) Ultra violet radiations: Greater exposure to sun leads the harmful UV radiations to come in contact with the organisms resulting in causing cancer.

3) Genetically: Some types of cancer are heredity i.e. they gets pass on from one generation to another.

Ans :- TheChipko movementorChipko Andolan was a forest conservationmovementin India where people embraced the trees to prevent them from being cut down. Chipko-typemovementsdate back to 1730 AD when in Kartikey Kamboj village Prasanna Khamkar of Rajasthan, 363 Bishnoissacrificed their lives to save Khejri trees.

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ऊतक (tissue) किसी जीव के शरीर में कोशिकाओं के ऐसे समूह को कहते हैं जिनकी उत्पत्ति एक समान हो तथा वे एक विशेष कार्य करती हो। अधिकांशतः ऊतको का आकार एंव आकृति एक समान होती है। कोशिकाएँ मिलकर ऊतक का निर्माण करती हैं।

किसी चीज के शरीर में कोशिकाओं के समूह को कहते हैं जिन की उत्पत्ति एक समान हो तथा वे एक विशेष कार्य करती हो

The Chipko movement was a non-violent agitation in 1973 that was aimed at protection and conservation of trees, but, perhaps, it is best remembered for the collective mobilisation of women for the cause of preserving forests, which also brought about a change in attitude regarding their own status in society.

The uprising against the felling of trees and maintaining the ecological balance originated in Uttar Pradesh’s Chamoli district (now Uttarakhand) in 1973 and in no time spilled onto other states in north India.

The name of the movement ‘chipko’ comes from the word ’embrace’, as the villagers hugged the trees and encirled them to prevent being hacked.

option 4Theendomembrane systemincludes endoplasmic reticulum (ER), Golgi complex, lysosomes and vacuoles. Since the functions of the mitochondria, chloroplast and peroxisomes arenotcoordinated with the above components,thesearenot considered aspart of the endomembrane system.

carbon dioxide, oxygen

Plant intake carbon dioxide and release oxygen.

plants take in carbon dioxide and release oxygen

carbohydrates, oxygen

the answer isCarbon dioxide and Oxygen

option (4) is correct.

Ambidentate ligandsare monodentateligandsthat have can bind in two possible places.

Forexample, the nitrate ion NO2- can bind to the central metal atom/ion at either the nitrogen atom or one of the oxygen atoms.

The thiocyanate ion, SCN- can bind to the central metal at either the sulfur or the nitrogen

Iodine is one of the most important content that is necessary for making Thyroxine Hormone by the thyroid gland.

Deficiency of iodine in the diet could lead to the deficiency of Thyroxine hormone in body.

Deficiency of iodine in the diet produces less thyroxine causing the diseases called as GOITRE.

Therefore, doctors are advised to use iodised salt while cooking.

Homosapiens is the scientific name of humans.

femur

The circulatory system consists of three independent systems that work together: theheart(cardiovascular),lungs(pulmonary), andarteries,veins, coronary and portalvessels(systemic). The system is responsible for the flow ofblood, nutrients,oxygenand other gases, and as well ashormonesto and fromcells.

Synthetic clothes catches fire easily and melt on heating.These are produced by man by chemicals.Synthetic fibres like Polyester catches fire very easily and melts. After melting It sticks to the body of the person wearing it causing severe burns.

Synthetic clothes catches fire easily and melt on heating.These are produced by man by chemicals.Synthetic fibres like Polyester catches fire very easily and melts. After melting It sticks to the body of the person wearing it causing severe burns.

Digestive enzymes enter into the food vacuole inAmoebato break down the food.

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from which animal, insert

Following are the main differences between food chain and food web.

Food chain is a single linear pathway through which food energy and nutrients travels in the ecosystem while food web is number of interconnected food chains through which energy and nutrients travels in the ecosystem.

In food chains, usually member of high trophic level feed upon a single type of organism of lower trophic level while in food web members of higher trophic level feed upon many organisms of lower trophic level.

In food chains, separate and isolated food chains increases the instability of the ecosystem. In food web, stability of the ecosystem increases by the presence of complex food webs.

Food chains have no effect on improving the adaptability and competitiveness of the organisms while more complex food webs improves the adaptability and competitiveness of the organisms.

12. arrow represents the direction of flow of energy. 13. plant. 14. grasshopper and some insects. 15. rats and birds and some insects. 16.owl and dragon fly17. 18. insects19. mosquitoes and birds. 20. Grasshopper.

The animal which is the last in this good chain will have the highest concentration of non - biodegradable chemicals which is the Hawk.

This phenomenon is known as biological magnification.

The grazing food chain starts from the autotrophs (green plants), whereas detritus food chain begins from the detritivores.

In grazing food chain the energy is taken from the sunlight as green plants prepare food in the presence of it while in detritus food chain the main energy source is remain of detritus.

In grazing food chain macroscopic organisms are involved, on the other hand, in detritus food chain, subsoil organisms are involved, which can either be macroscopic or microscopic.

A series of organisms in which each creature eats the one below it in the series and becomes a source of food for the organisms above it.

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Ans :- Afood chaindescribes how energy and nutrients move through an ecosystem. At the basic level there are plants that produce the energy, then it moves up to higher-level organisms like herbivores. In thefood chain, energy is transferred from one living organism through another in the form of food.

There are flame cells which help in excretion

it's a excreatory thing which is waste by plants

they are excretory materials secreted by the trunk or through sheding of leaver

excretory is the correct answer

D) excretory is the correct answer

gum and resins are the excetory products

the correct option is D

D IS THE CORRECT ANSWER OF THIS QUESTION

option D excretory correct answer

Asensory neuroncarries the message from the receptor to thecentral nervous system(the spinal cord andbrain). Amotor neuroncarries the message from thecentral nervous systemto theeffector. In a knee-jerk reflex arc thesensory neurondirectly connects to themotor neuronin the spinal cord.

Some more important information which is set for write project report

The lungs andrespiratory systemallow oxygen in the air to be taken into the body, while also enabling the body to get rid of carbon dioxide in the air breathed out.Respirationis thesetof events that results in theexchangeof oxygen from the environment and carbon dioxide from the body's cells.

lungs &trachea

They're polymers of amino acids.

Crop is a group of cultivated plant or agricultural produce used for eating and feeding livestock mainly like grains, fruits, vegetables etc.

The major crops can all be divided into four main categories depending on their usage.

Food Crops (Wheat, Maize, Rice, Millets and Pulses etc.)

Cash Crops (Sugarcane, Tobacco,Cotton, Jute and Oilseeds etc.)

Plantation Crops (Coffee, Coconut, Tea, and Rubber etc.)

Horticulture crops (Fruits and Vegetables)

Rabi crops are the crops which are grown during winter season . eg- wheat

Kharif crops are the crops which are grown during summer season. eg- rice

Kharif crops:Ricecottonjute

Rabi cropswheatpea

Rabi crops are agricultural crops that are sown in winter and harvested in the spring in India.

winter to spring is right answer

Rabi crops or rabi harvest are agricultural crops that are sown in winter and harvested in the spring in India

A good rain in winter spoils the rabi crops but is good for kharif crops. The major rabi crop in India is wheat, followed by barley, mustard, sesame and peas. Peas are harvested early, as they are ready early: Indian markets are flooded with green peas from January to March, peaking in February.

Rabi crops also known as winter crops are that crops which are sown winter around January and are harvested in spring.

spring in India. The term is derived from the Arabic word for "spring", which is used in the Indian subcontinent, where it is the spring harvest (also known as the "wintercrop").

crops which sown in winter and harvested in spring

गेहूँ चना जौ सरसो है

Rabi crops are sown in winter and harvested in spring in india.....

wheat,oat,almond and mustard are called rabi crops.

Wintet to spring is the right answer

rabi crops or Rabi hervest are agriculture crops that are sown winter and in the spring in India and Pakistan ..

Rabi crops or rabi harvest are agricultural crops that are sown in winter and harvested in the spring in India[1] and Pakistan. The term is derived from the Arabic word for "spring", which is used in the Indian subcontinent, where it is the spring harvest (also known as the "winter crop").The opposite of rabi crops are the kharif crops which are grown after, the rabi and zaid (zaa-id) crops are harvested one after another respectively.

rabi crops ..are agriculture crops this are showing in winter and harvest spring in india example.... wheat ..mustard gram and barley etc...

Ain't I is the question tag

I am a student . amn't i

I am a student, in the

I am a student, aren't I?

isn't i? is the answer

i am a student ,aren't I?

isn't is the answer. As the question asked is for singular person so answer should also be in singular one

I am a student, aren't I?

Hybridizationis the process of interbreeding between individuals of different species (interspecifichybridization) or genetically divergent individuals from the same species (intraspecifichybridization). Offspring produced byhybridizationmay be fertile, partially fertile, or sterile.

Hybridization is the process of interbreeding between individuals of different species (interspecific hybridization) orgeneticallydivergent individuals from the same species (intraspecific hybridization). Offspring produced by hybridization may be fertile, partially fertile, or sterile.

In plants Pollen from flowering plants disperses widely and may land on flowers of other species.

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In vitro fertilisation is a process of fertilisation where an egg is combined with sperm outside the body, in vitro.

The process involves monitoring and stimulating a woman's ovulatory process, removing an ovum or ova from the woman's ovaries and letting sperm fertilise them in a liquid in a laboratory.

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The différence is the Scale

Your ADN or DNA in english is the base of your genetic code. It is made of four Nucleobase ( cytosine,guanine,thymine and adenine ) The long list of those four elements can code for a gene , We call Genome the overall group of gene Exemple: Human Genome is all the different type of gene a human can have

Now a human have 23 pair of Chromosomes , Each chromosomes is huge amout of DNA compact together, however each chromosomes is differents so it mean the code write on each chromosome is differents so genes are differents from one to a other

And last Chromatin is Also DNA but more compact than just DNA and less than Chromosom. In a sense it is transitional step between DNA and Chromosom .

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what is the basic difference??

that's it.

option 3 is the answerCell membraneperform the functions of mitochondria in bacteria. Bacteria lack both mitochondria andchloroplast, processes such as oxidative phosphorylation and photosynthesis take place across thecell membrane.

(2) Mycoplasma < Bacteria < Human RBC < Nerve cell

0.3 micrometer < 5 micrometer < 8 micrometer < 100 micrometer