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Agriculture. Name major fiber crops grown in India and the source from where its derived.Cotton,jute,hempand natural silk are the four major fibre crops grown in India.

Lysosomes are specialized vesicles within cells that digest large molecules through the use of hydrolytic enzymes. Vesicles are small spheres of fluid surrounded by a lipid bilayer membrane, and they have roles in transporting molecules within the cell.

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the main role of large intestine absorb water from the remaining indigestible food matter and transmit the useless waste material from the body.

lt absorbes water from the food

The small intestine is followed by large intestine which is shorter but wider than small intestine. The greater part of small intestine is colon. the colon is followed by rectal . the rectal wall mainly absorbs water from the undigested food The faecal matter is egested out through anal opening by the activity of anal spinhcter and the process is called egestion.

the main role of large intestine is to suck th ewater which is presented in the digested food because it has still nutrients and minerals

Lysosomesare manufactured and budded into the cytoplasm by the Golgi apparatus with enzymes inside. The enzymes that are within thelysosomeare made in the rough endoplasmic reticulum, which are then delivered to the Golgi apparatus via transport vesicles.Lysosomesarecalledso because they remove the cellular debris. ...Lysosomesdestroy any foreign organisms…(let it be bacteria or viruses or whatever it maybe) that enter the cell. And so they arecalleddigestive bags. Thus they act asscavengersby killing all the foreign organisms that enter the cell.

Option D is correct.

Explanation:

Given figure shows the process of budding in a yeast cell. Budding is a method of asexual reproduction in which the parent nucleus split into daughter nuclei and one part moves into the bud. Later, after significant development period, the bud gets detached from parent's body and live as an independent yeast cell. This mode of reproduction requires only one parent.

1) is the correct answer

Cellulose forms the largest part of the herbivore’s food. Digestion of cellulose takes a longer time, because the enzymes are produced by the ruminant bacteria that live in the gut of the herbivore. Longer intestine ensures that the food stays for a longer duration and proper digestion is possible. In the case of carnivores, cellulose is not present in the diet, thus the length of intestine is less.

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The teeth of carnivorous animals are adapted to tearing flesh and are usually long and sharpThe teeth of herbivorous animals are adapted to cutting and tearing leaves from plants and then crushing them

Carnivoreshave a set ofteeththat are verydifferentfromherbivores'. This makes sense, because they also have adifferentdiet. Acarnivorewill use itsteethto kill a prey item before eating it. The sharp incisors and pointed canineteethare perfectly designed for both incapacitating and eating a meal.

Herbivores incisors are sharp for tearing plants, but they may not be present on both upper jaw and lower jaw..... carnivores have a set of teeth that are very different from herbivores. this makes sense, because they also have a different diet. A carnivores will use its teeth to kill prey item before eating it.

This is how the teeth of herbivores different from those of carnivores

Isthmus– narrow section of the uterine tubes connecting the ampulla to the uterine cavity.

The 2 main thyroid hormones are T3 (triiodothyronine) and T4 (thyroxine). T3 and T4 regulate your body's temperature, metabolism and heart rate.

The action of adrenocorticotropic hormone (ACTH) secreted by pituatary gland is plain to see from its name because it stimulates theadrenalcortex to secrete hormones.

Primary hormones secreted by the pancreas include:

Gastrin: This hormone aidsdigestionby stimulating certain cells in thestomachto produce acid.Glucagon: Glucagon helps insulin maintain normal blood glucose by working in the opposite way of insulin.

8)a)Cellulose forms the largest part of the herbivore’s food. Digestion of cellulose takes a longer time, because the enzymes are produced by the ruminant bacteria that live in the gut of the herbivore. Longer small intestine ensures that the food stays for a longer duration and proper digestion is possible. In the case of carnivores, cellulose is not present in the diet, thus the length of small intestine is less.

b)

c)Transpiration is the process by which moisture is carried through plants from roots to small pores on the underside of leaves, where it changes to vapor and is released to the atmosphere. Transpiration is essentially evaporation of water from plant leaves. Transpiration also includes a process called guttation, which is the loss of water in liquid form from the uninjured leaf or stem of the plant, principally through water stomata.

Hervivores=plant eating animalEg:cow,goatCarnivores=flesh eating animalEg:lion,tigerOmnivores=both plant and flesh eating animalEg:man,dog

The pineal gland producesmelatonin, which helps maintaincircadian rhythmand regulatereproductive hormones.

Melatonin, also known asN-acetyl-5-methoxy tryptamine,is ahormonethat is produced by thepineal glandin animals and regulates sleep and wakefulness.Melatonin is also produced inplantswhere it functions as a first line of defense againstoxidative stress.

The thyroid gland produces two vital metabolic hormones — triiodothyronine (T3) and thyroxine (T4). T3 and T4 are produced using iodine, with T3 containing three iodine atoms and T4 containing four. Both T3 and T4 are used to regulate the body’s metabolism by turning on practically every cell in the body and inducing them to produce proteins. The result of the increase in cellular metabolism leads to many physiological effects, including increased heart rate, tissue growth and development, body heat production, and energy consumption.

Calcitonin is also produced by the thyroid gland and works as an antagonist to the only hormone produced by the parathyroid glands, parathyroid hormone (PTH). These two hormones work together to maintain the vital homeostatic balance of calcium ions in the blood, which is essential to the proper function of muscle and nervous tissue as well as bone health. Calcium deficiency may cause twitching, spasms, convulsions and even death, while too much calcium can lead to a weakening of muscle tone andkidney stones. Calcitonin reduces the level of free calcium ions in the blood by reducing the absorption of calcium from food in the intestines; increasing the excretion of calcium ions in the kidneys; and decreasing the activity of osteoclast cells that break down bone matrix to release calcium ions. PTH raises calcium ion levels by increasing calcium absorption in the intestine; decreasing calcium excretion in the kidneys; and increasing the activity of osteoclasts in bones.

scavengers feeds on dead animals and plants.

scavengers is the answer of this question

the answer of the option is D)

the answer is scavenger

Melatonin. (Pineal gland) regulates biological rhythms such as daylight.Thyroxine (T(3) & T(4)) (Ant Pituitary) increases cell metabolism; essential for growth and neural development.Calcitonin.ParathyroidHormone(PTH)Cortisol.Aldosterone.Sex SteroidsEpinephrine (adrenaline)

Hormones ofThyroid.

Insulin. Estrogen.

Progesterone. Prolactin.

Testosterone.

Serotonin.

Ans :- Parathyroid hormone issecretedfrom four parathyroid glands, which are small glands in the neck, located behind the thyroid gland. Parathyroid hormone regulates calcium levels in the blood, largely by increasing the levels when they are too low.

Gustatory receptoris meant for tasting purpose. And inHuman beingssalty, sour or sweet etc tastes comes from tongue. So, inHuman beingstongue is thegustatory receptor

2) Olfactory receptor is meant for smelling purpose. And in humans different smells like pungent etc comes from nose. So, nose is the answer.

3) Dendrites → Cell body → Axon → End point of Neuron

Thnks

Intrauterine device(IUD) with progestogen, sold under the brandname Mirenaamong others, isa intrauterine devicethatreleasesthehormonelevonorgestrel. It is used for birth control, heavy menstrual periods, and to prevent excessive build of the lining of the uterus in those on estrogen replacement therapy.

Cu-T, Cu-7 and Multiload 375.

Cutting of trees should be discouraged because the trees are the reason for rain and it also gives us oxygen by taking co2 from us.

E.O. Wilson

The components of the ecosystem are divided as:•Abiotic ComponentsAbiotic components are non-living chemical and physical factors on an ecosystem. The non-living factors are either resources or conditions.

•Biotic componentsThe biotic components in an ecosystem include the living organisms.

Aquariums, Gardens, crop fields

An ecosystem includes all of the living things (plants, animals and organisms) in a given area, interacting with each other, and also with their non-living environments (weather, earth, sun, soil, climate, atmosphere).

Spermis the male reproductivecelland is derived from the Greek word (σπέρμα)sperma(meaning "seed"). In the types ofsexual reproductionknown asanisogamyand its subtypeoogamy, there is a marked difference in the size of thegameteswith the smaller one being termed the "male" or sperm cell. A uniflagellar sperm cell that ismotileis referred to as aspermatozoon, whereas a non-motile sperm cell is referred to as aspermatium.

The testes produce the male gamets called sperms

orchids and ferns grow in warm and wet climate

Orchids and ferns.........

According to Maslow hierarchy of needs self actualization is the highest need

D) self actualization is correct option

2)Adolescence is the period of psychological and social transition between childhood and adulthood. As a transitional stage of human development it represents the period of time during which a juvenile matures into adulthood

3)Menstruation, also known as a period or monthly, is the regular discharge of blood and mucosal tissue (known as menses) from the inner lining of the uterus through the vagina

Adolescencerefers to the period of human growth that occurs between childhood and adulthood. Adolescence begins at around age 10 and ends around age 21. Adolescence can be broken into three stages: early adolescence, middle adolescence, and late adolescence.

nucleus

a)This organelle has two major functions: it stores the cell's hereditary material, or DNA, and it coordinates the cell's activities, whichincludegrowth, intermediary metabolism,proteinsynthesis, and reproduction (celldivision). Only the cells of advanced organisms, known as eukaryotes, have a nucleus.

the answer is option is a) Nucleus

Adolescence is the state between childhood and adulthood when the body of a girl or boy undergoes abrupt changes including change in the social, psychological, economical behaviour.Childhood is a time period where children learn and copy insights from their parents and school etc.It is also considered as the most fun filled optimistic time in one life span.On the other hand,Adolesent is a period between childhood and adulthood.I n this period kids becomes teenagers.The individual may experience changes in all aspects of their lives.

in the age of adolecence we do not listen the suggestions our parents but on childhood we will be in the care parents and elders in adolecent age we want to spend the time with peers

In eukaryoticcells, like in the maize cell ,DNA is located in the nucleus.

So, the correct answer is option A.

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1.Gills are feathery organs full of blood vessels. Afish breathesby taking water into its mouth and forcing it out through the gill passages. As water passes over the thin walls of the gills, dissolved oxygen moves into the blood and travels to thefish'scells.

2.Thefoodwe eat contains the nutrients that our bodies need to replace worn out cells, stay healthy and stay strong. It is the same for everyliving organism. ... Animals also needfoodor nutrients to survive. They get nutrients from eating plants.

fish have gills to breathe

food is important for all living organism bcz it gives us energy

The two main gases exchanged areoxygen and carbon-dioxide.Oxygenis absorbed by the blood capillaries from the lungs alveoli by diffusion whilecarbon-dioxideis absorbed by the lungs alveoli from blood capillaries by diffusion. ...Oxygenistransportedfrom lungs to thebodycells in the form of oxy-hemoglobin.

Exchange of gases takes place between the alveoli of the lungs and the surrounding blood capillaries. The two main gases exchanged are oxygen and carbon dioxide. Oxygen is absorbed by the blood capillaries from the lungs alveoli by diffusion while carbon-dioxide is absorbed by the lungs alveoli from blood capillaries by diffusion. Transport of oxygen and carbon-dioxide occurs with the help of respiratory pigment called haemoglobin.Haemoglobin, the iron-containing respiratory pigment is a red coloured pigment of blood, which has a very high affinity for oxygen. Haemoglobin though is purple coloured but oxy-haemoglobin is of bright red colour. Oxygen is transported from the lungs to the body cells in the form of oxy-haemoglobin.Carbon-dioxide is transported from the body cell to the lungs in the forms of carboxy-haemoglobin, carbonic acid, bicarbonates of sodium and potassium.

Exchange of gases takes place between the alveoli of lungs and the surrounding blood capillaries. The two main gases exchanged are oxygen and carbon-dioxide. Oxygen is absorbed by the blood capillaries from the lungs alveoli by diffusion while carbon-dioxide is absorbed by the lungs alveoli from blood capillaries by diffusion.Transport of oxygen and carbon-dioxide occurs with the help of respiratory pigment called hemoglobin.Hemoglobin, the iron containing respiratory pigment is a red colored pigment of blood, which has a very high affinity for oxygen. Hemoglobin though is purple colored but oxy-hemoglobin is of bright red color. Oxygen is transported from lungs to the body cells in the form of oxy-hemoglobin.Carbon-dioxide is transported from the body cell to the lungs in the forms of carboxy-hemoglobin, carbonic acid, bicarbonates of sodium and potassium

Placenta in the ovary as a nutritive tissuethalamus in the flowerstigma in the flower

Thegynoecium(whethercomposedof a single carpel or multiple "fused" carpels) is typicallymade upof an ovary.

1) ovary2) A=U

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Gibberellins are hormones that help in the growth of the stem, seed germination, bolting, and flowering. Cytokinins are hormones present in the areas of rapid cell division, such as fruits and seeds. They also promote the opening of the stomata. Ethylene is the hormone which brings in the ripening of fruits.

In flowering plants, two male gametes from a single pollen grain fuse with two female gametes, the egg and central cells, to form the embryo and endosperm, respectively.

Stigma, Style and ovary

Germination of seed includes all changes that take place from the time when dry, viable seed starts to grow when placed under suitable conditions of germination to the time when seedling becomes established on the substratum.

Necessary conditions for germination of seeds are-1). Moisture/water because without water seeds cant be alive. But excessive of water can damage the seed.2). Air to breath3). Warmth/sunlight because seeds cant be alive in too cold but also not in too warmth.