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Factors taken into consideration are –

• The Quality of the soil

• The requirement of the plants

• The climatic conditions of the place

Gametes are mature haploid cells whichfuses with another gameteto produce a diploid cell called a zygote, which further develops into fetus.

Thezygoteis the first cell of the embryo and carries all the maternal and paternal genetic makeup which helps in the formation of a new organism.

Differences between Evaporation and Boilingis an important topic to study about as they are commonly confused with one another. However, it is important to know the key differences and similarities between Evaporation and boiling. Evaporation is the process where liquid gets converted into vapour, a simple example to understand Evaporation is when water gets evaporated from the soil by the heating effect of the sun, it is referred to as Evaporation. Boiling on the other hand refers to the process of heating up a liquid where the temperature of the liquid being heated up is greater than the boiling point of the substance. The major key difference to be noted between Evaporation and boiling is that of the occurrence, Evaporation occurs only on the surface of the liquid whereas Boiling occurs over the large mass of the liquid. This is categorized as the key differences between Evaporation and Boiling. Knowing theBoiling point formulais always helpful

Ans :- option (D) प्लास्टिड

option 2

thanku

please give the answer of my all other questions

C-peptide,also called as connecting peptide is a short 31-amino-acid protein that connects insulin A-chain to its B-chain in the pro insulin molecule. Pro insulin is synthesized in the endoplasmic reticulum, where it is folded and its disulfide bonds are oxidized. After pro insulin is packaged into vesicles in the Golgi apparatus, the C-peptide will be removed, leaving the A-chain and B-chain, bound together by disulfide bonds, which becomes the insulin molecule

C peptide – It is a type of blood test that helps to detect whether the diabetes is type 1 or type 2.It serves as a linkbetween the A- and the B- chains of insulin and facilitates the efficient assembly, folding, and processing of insulin in the endoplasmic reticulum.

4 amino acids join linear forming 3 peptide bonds to make tetrapeptide .

The answer is i) a and b. The open circulatory system is common to molluscs and arthropods. Open circulatory systems (evolved in crustaceans, insects, mollusks and other invertebrates) pump blood into a hemocoel with the blood diffusing back to the circulatory system between cells. Blood is pumped by a heart into the body cavities, where tissues are surrounded by the blood.

answer a mollusca and b arthropoda

answer is amollusca and arthropoda

Correct option: (i)Out of these, Mollusca and Anthropoda have open circulatory system.

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i. a and bTheopen circulatory systemis common tomolluscsand arthropods.

Pea flowers produce assured seed setsbecause they are cleistogamous, autogamous and homogamous. Hence, self-pollination occurs before theflowersopen up at maturity.

yes, that is right answer

Animalssuch as arthropods and mollusks possess anopen circulatory system.a and b is the answer

Arthropods are agroup of animalsthat include insects and crustaceans. Mollusks are agroupthat includes clams and oysters.

The colour of A i.e. the green portion before the starch test is pale yellow because chlorophyll needs to be removed before the starch test, and and after the test it's colour is blue-black because of the reaction of iodine and starch present in A.

The Equation of photosynthesis is :

6CO2 + 6H2O + Light energy = C6H12O6 + 6O2

thnq

The colour of A i.e. the green portion before the starch test is pale yellow because chlorophyll needs to be removed before the starch test, and and after the test it's colour is blue-black because of the reaction of iodine and starch present in A.

The Equation of photosynthesis is :

6CO2 + 6H2O + Light energy = C6H12O6 + 6O2

green pale yellow is the answer

Personal Area Network (PAN)

PAN stands forpersonal area network, and again, it's exactly what it sounds like: a network covering a very small area, usually a small room. The best knownwireless PANnetwork technology isBluetooth, and the most popular wired PAN isUSB. You might not think of your wireless headset, your printer or your smartphones as components in a network, but they are definitely talking with each other. Many peripheral devices are actually computers in their own right. Wi-Fi also serves as a PAN technology, since Wi-Fi is also used over a small area.

Local Area Network (LAN)

LAN stands forlocal area network. It covers, as the name suggests, a local area. This usually includes a local office and they're also pretty common in homes now, thanks to the spread ofWi-Fi.

Wide Area Network (WAN)

WAN, in contrast to a LAN, refers to awide area network. The name is exactly what it sounds like: a network that covers an area wider than a LAN. Beyond that, the definition is less clear. Distances can range from a network connecting multiple buildings on a corporate or college campus to satellite links connecting offices in different countries. The most popular WAN is the one you're using to read this article: the internet. It's actually a collection of other networks, including other LANs and WANs – hence, the name.

Requirements:

A potted plant, caustic potash, wide- mouthed bottle, iodine, split cork, water.

Method:

1. De-starch a potted plant by putting it in complete darkness for two days.

2. Fill partly a wide-mouthed bottle with strong solution of caustic potash and fit a split cork on its mouth.

3. Insert about half of the portion of a leaf of the de-starched plant into the bottle through the split cork

Demonstration of Moll's half-leaf experiment

4. Place the whole apparatus in light after applying grease on the upper portion of split cork, and test the leaf for stach after about 10 hours.

Observations:

Portions of the leaf inside the bottle as well as in between the split cork show negative test for starch indicating the absence of photosynthesis while the portions outside the split cork show positive test for starch indicating the presence of process of photosynthesis in this region.

Results:

Negative starch test by the leaf portion present inside the bottle indicates that process of photosynthesis is absent in this region. This portion of leaf is getting all the essential requirements, i.e., light, chlorophyll and water except the CO2 because the latter is absorbed by the caustic potash. Thus, it can be concluded that CO2 is necessary for this process.

Negative test of starch, which is also shown by the portion of the leaf present in between the split of the split cork, can be explained that it is due to the lack of CO2 and light, thus indicating that both of them are essential requirements.

Positive test of starch shown by the portions of the leaf present outside the bottle indicates that photosynthesis process is continuously going on there because all the essential requirements, i.e., light, chlorophyll, water and CO2 are readily available to this portion.

That the chlorophyll is also an essential requirement for photosynthesis can be shown by testing starch in a variegated leaf. Only green portions of the leaf show positive starch test.

how much marks it contains

1. No, not all young ones look like their parents. But as they grow up they will be similar to the parents. Eg: Frog and birds

plz tell me 2&3

2. Some young ones are very different from their parents and may have less developed body structure in their early stages. But, eventually they will have same body parts as their parents.

3. As in some species, the young ones are different in their early stages of development, they may weigh much lesser and look smaller in size than their parents.

renewable energy

Renewable energyis energy that is generated from natural resources that are continuously replenished. This includes sunlight, geothermal heat, wind, tides, water, and various forms of biomass. This energy cannot be exhausted and is constantly renewed.

c=5\9(F-32) is the right answer

F°=9/5.C° +32 is the correct formula

(F-32) X 5/9=C is correct

To convert temperatures in degrees Fahrenheit to Celsius, subtract 32 andmultiplyby . 5556 (or 5/9).

°C= °F-32×5 divide by 9

√

°C=(°F-32°)5/9 is correct and if we want to find °F then9/5(°C)+32

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1. Carrots and potatoes are roots of plant.

2. Pumpkins are melons of plant.

3. Peas are fruits of plant.

In case your sister has become uncommunicative, try to console her. She may be suffering from an emotional shock or trauma. Make her feel that she is cared for, no matter what the problem is.

Speak optimistically. Let her understand that you are there to help her battle it out. If she is depressed, acknowledge the loneliness and keep reminding her of her worth. Do not judge her and listen carefully.

Be compassionate and let her advance at her own pace.

In case your sister has become uncommunicative, try to console her. She may be suffering from an emotional shock or trauma. Make her feel that she is cared for, no matter what the problem is.

Speak optimistically. Let her understand that you are there to help her battle it out. If she is depressed, acknowledge the loneliness and keep reminding her of her worth. Do not judge her and listen carefully.

Be compassionate and let her advance at her own pace.

White blood

WBC is the correct answer of the given question

white blood cellsis the answee

pulmonary artery and veins are the vessels in which impure blood flows.

White blood vessel

all the veins except pulmonary vein and the pulmonary artery carry impure or deoxygenated blood

pulmonary arteries carry impure blood from the heart to the lungs.all the veins except pulmonary vein,carry impure blood.please like my answer and Mark it best.

WBC

hope it helps

she may be having any sort of tension.I will talk to herwill try to understand her feeling and will work accordingly and will consult with a doctor

Decomposes play a very important role , all living beings including plants ,animals and their products if not decomposed after death would form heaps on the surface of the earth and would pose a threat to us and our crops , we shall not be left with any place to live in a few years .It is de composers which decompose all organic waists which then again forms a part of the soil thus it makes space for us , our crops and cattle on one hand and maintains fertility of soil on the other hand .

This is because microorganisms helps the dead and decayed plants and animals to decompose and if they would not be there they the dead and decayed plants and animals would not be decomposed..

this is because microorganisms helps the dead and plant to decompose

Most of the largestherbivorousspecimens on record were discovered in the 1970s or later, and include the massivetitanosaur Argentinosaurus huinculensis, which is the largest dinosaur known from uncontroversial evidence, estimated to have been 96.4 metric tons (106.3 short tons) and 39.7 m (130 ft) long.

Reptiles have dry, scaly skin (or feathers/bristles); they lay hard-shelled eggs; have claws, breed on land, and are born as miniature versions of adults. Reptiles are in many cases warm-blooded (though many of the taxa that are have gone extinct), as well.

Amphibians have slimy, naked skin, lay soft, shelless eggs that dry out if not in water, lack claws, breed in the water, and go through a larval stage. Amphibians were never warm-blooded, even in prehistory.

In the absence of microorganisms the earth would become a heap of dead plants and animals , because microorganisms helps in decomposing of the dead plants and animals , they work as a de-composers, without them there will be no decomposing of the dead organisms , and hence lead to the health problems.

Three effects of using excessive of fossil fuels are:-

1)They are non-renewable sources of energy and are no longer available if once used. 2)Excessiveuse offossil fuelcause uncontrollable threat to environment. Like acid rain, global warming ,air pollution and Ozone layer depletion.

Three measures to reduce the consumption of fossil fuels are:-

Reduce, Reuse, Recycle. Buying products with minimal packaging will help to reduce waste.

Use Less Heat and Air Conditioning.

Replace Your Light Bulbs.

Drive Less and Drive Smart.

sushruta samhita is the book written by sushruta

sushruta samhitha is the book written

Samhita is a book written by Sushruta

Sushruta Samhita is a book written by Sushruta.

samhita is the correct answer

Sushruta samhita is the book written by sushruta

Personal health refers to the wellness of the individual. While personal health care is provided to people those who are not able to take care of themselves. Personal Health is the ability to take charge of your health by making conscious decisions to be healthy.

Personal Healthis the ability to take charge of yourhealthby making conscious decisions to behealthy. It not only refers to the physical well being of anindividualbut it also comprises the wellness of emotional, intellect, social, economical, spiritual and other areas of life.

Ethanol -> CH₃CH₂OH

When Ethanolis heated with excess of conc. H₂SO₄, at 443 K , Ethene is formed . conc. H₂SO₄CH₃CH₂OH ----------------------> CH₂ = CH₂ + H₂O

H₂SO₄ acts as a dehydrating agent , that removes water molecule from ethanol

अॅडिनोसिन ट्रायफॉस्फेट (एटीपी) जीवशास्त्रज्ञांद्वारे जीवनाचे उर्जा चलन म्हणून मानले जाते. ... एरोबिक श्वासोच्छवासासाठी ग्लोकायलिसिस एटीपीचा स्त्रोत देखील आहे परंतु एटीपीच्या निर्मितीमध्ये मिटोकॉन्ड्रिया नावाच्या लहान उर्जेच्या कारखान्यांमधील उत्पादक प्रक्रिया अधिक महत्त्वपूर्ण आहे

B is right the specific epithet or specoes shoul start with small letter

sorry the right one is A with same reasin

A is the right answer

A is correct because genus name should start with capital letter which is Helianthus and species name should start with small letter which is annus

Sunflower through entomophily

Stilt roots are the adventitious roots that help in supporting the plant body. Also known as support roots. They develop from the basal nodes of the main stem and grow obliquely. Eg. Maize, sugarcane.

stilts root for support in maize and sugercane

1) all the power are whole numberthis is a polynomial of power 22) this is a polynomial of power is 2 and 0now since there is one variable this is polynomial is one variable

3) as the power is 1/2 which is not a whole number so it's not a polynomial

Step 1: Citrate synthase. The first step is to put energy into the system. ...

Step 2: Aconitase. ...

Step 3: Isocitrate dehydrogenase. ...

Step 4: α-Ketoglutarate dehydrogenase. ...

Step 5: Succinyl-CoA synthetase. ...

Step 6: Succinate dehydrogenase. ...

Step 7: Fumarase. ...

Step 8: Malate dehydrogenase

The Krebs Cycle (also known as the Citric Acid or Tricarboxylic Acid (TCA) cycle) is the process through which aerobic cellular metabolism occurs. Hans Krebs received the 1953 Nobel Prize in Medicine for his “discovery” of the citric acid cycle. This cycle involves a series of reactions involving a (1) a substrate, Oxaloacetate, that is modified in every reaction, (2) Acetyl–CoA, from which energy is extracted, (3) energy transport reactants, which collect the extracted energy, and (4) the controlling enzymes, which regulate the steps of the cycle. This cycle is ubiquitous in living organisms, single and multi-celled, both plants and animals — including humans. Organizationally, the process is often divided into 8 steps, one for each controlling enzyme, usually beginning with the combination of the Oxaloacetate substrate to the Acetyl–CoA, which is produced from either glycolysis or pyruvate oxidation.

But because of the cyclical nature of the process, different methods of categorizing the reactions and their reactants, as well as ongoing scientific investigation, there is some variation in terminology, organization, and detail. Also, while the Krebs cycle is a topic in elementary science and biology, it is also studied in detail in advanced collegiate biology and biochemistry courses which can lead to respectively over or under simplification. Because of these issues, tutors and students should exercise care when utilizing this summary and diagram to ensure that the language their answers use correspond to the assigned class materials and their instructor’s expectations. Nevertheless, this summary tries to provide a simplified description balanced with sufficient detail to enable understanding of the process while being able to use it as a base upon which supplemental information can be added.

Energy Extraction via the Krebs Cycle

Theoretical Yield: 24 Molecules of ATP / Molecule of GlucosePractical Yield: 20 Molecules of ATP / Molecule of Glucose

The Krebs cycle is the primary metabolic pathway through which aerobic energy is released from carbohydrates, proteins, and fats in a useable form. When measuring the energy production of the Krebs cycle, the output is measured in molecules of ATP (Adenosine triphosphate) per molecule of glucose. In total, the theoretical (and typical textbook) yield of cellular respiration (including the Krebs cycle) from one molecule of glucose is 38 molecules of ATP, but in practice the actual yield is closer to 30-32 ATP. Since one molecule of glucose produces two molecules of Acetyl–CoA, the Krebs cycle’s energy output is usually expressed as the product of the two cycles necessary to breakdown both Acetyl–CoA’s. Two Krebs cycles create two GTP, Guanosine triphosphate, which can be readily converted into 2 ATP. The other energy-producing products of the Krebs cycle (NADH, and QH2) theoretically generate an additional 22 ATP, but in practice produce closer to 18 ATP via the mitochondrial electron transport chain. This practical difference results from energy lost from the active transport of various reactants as well as the leakage of electrons within the electron transport chain.

Steps in the Krebs Cycle

The Krebs Cycle releases energy from Acetyl–CoA, but the cellular challenge is to release the energy gradually and in useable forms. So the pathway (1) links the Acetyl-CoA’s acetyl group (2-carbon) to the substrate (4-carbon) to make a 6-carbon molecule; (2) rearranges the 6-carbon molecule to a more reactive form; (3) removes one of the substrate’s carbon molecules to form a 5-carbon molecule and release energy; (4) removes another of the substrate’s carbon atoms, to form a 4-carbon molecule, and release energy; and (5) rearranges the 4-carbon molecule several times to re-create first substrate, releasing energy in the process. The key observation is that the substrate is first manipulated and its carbon atoms are released in the form of CO2, and only then are the atoms in the acetate (from the Acetyl–CoA) rearranged to re-create the substrate.

(i)There would be no organic nutrients and all the dead plants would consequently ruin the animal habitat.

(ii)The ecosystem would be brimming with plants and animal wastes, because the procedure decomposition of waste material would never take place (due to the absence of decomposers).

Temperatures have risen during the last 30 years, and 2001 to 2010 was the warmest decade ever recorded. As the Earth warms up, heat waves are becoming more common in some places, including the United States. Heat waves happen when a region experiences very high temperatures for several days and nights.

Higher temperatures mean that heat waves are likely to happen more often and last longer, too. Heat waves can be dangerous, causing illnesses such as heat cramps and heat stroke, or even death.

Warmer temperatures can also lead to a chain reaction of other changes around the world. That's because increasing air temperature also affects the oceans, weather patterns, snow and ice, and plants and animals. The warmer it gets, the more severe the impacts on people and the environment will be.

Microorganism playsveryimportant role in agriculturebecause the soilmicrobes(bacteriaand fungi)are essentialfor decomposing organic matter and recycling old plant material. Some soilbacteriaand fungi form relationships with plant roots that provideimportantnutrients like nitrogen or phosphorus.

areolar connective tissue play an important role in

tilling and ploughing, sowing, manuring, irrigation, weeding, harvesting.

1.preparation of soil(ploughing, tilling)2.sowing of seed3.manuring4.irrigation5.weeding6.harvesting7.storage