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2251.

The part of the brain that controls the action of thekidneys​

Answer»

ANSWER:

CEREBELLUM / MEDULLA oblongata

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2252.

What would happen if all the organisms stop the process of reproduction?answer please ​

Answer»

EXPLANATION:

the POPULATION can't be INCREASED

2253.

3. Bacteria was discovered by_____4. Amoeba like organism have no definite shape which is called____​

Answer»

Answer:

3.Bacteria were first OBSERVED by the Dutch MICROSCOPIST ANTONIE VAN Leeuwenhoek in 1676,

4.An amoeba is a term generally used to describe a single-celled eukaryotic organism that has no definite shape and that moves by MEANS of pseudopodia.

2254.

1. I am the fundamental unit of living organism___2. Robert Hook : Cell :: Robert Brown:_____​

Answer»

ANSWER:

1) Cell

2) Nucleus

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2255.

Describe how glandular epithelial tissue is different from columnar epithelial tissue?

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Answer:

There are THREE principal shapes of epithelial cell: squamous, columnar, and cuboidal. These can be arranged in a single layer of cells as simple epithelium, either squamous, columnar, or cuboidal, or in layers of two or more cells deep as STRATIFIED (layered), or compound, either squamous, columnar or cuboidal. In some tissues, a layer of columnar cells may appear to be stratified due to the placement of the NUCLEI. This sort of tissue is called a pseudostratified. All glands are made up of epithelial cells. Functions of epithelial cells include secretion, selective absorption, protection, transcellular transport, and sensing.

Epithelial layers CONTAIN no BLOOD vessels, so they must receive nourishment via diffusion of substances from the underlying connective tissue, through the basement membrane.[2][3] Cell junctions are well employed in epithelial tissues.

2256.

1. Cotton and jute fibre cells are the examples of(1 Point)short plant cellslong plant cells.O short animal cellsO long animal cells​

Answer»

Answer:

long plant cells ......

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2257.

Find out the advantages and disadvantages of tall and dwarf varieties and writedown the plant. in science​

Answer»

Dwarf and semi-dwarf fruit trees are produced by grafting or budding the desired variety onto a dwarfing ROOTSTOCK. Most standard-size fruit trees eventually get 25 to 30 feet TALL. Dwarf and semi-dwarf fruit trees are much smaller. Fruit trees grown on dwarfing rootstocks typically grow 10 to 15 feet tall.

Dwarf and semi-dwarf fruit trees are easier to maintain (prune, spray, harvest, etc.), fit better into small home landscapes, and PRODUCE fruit SOONER after planting than standard-size trees. However, some dwarf and semi-dwarf fruit trees have poor root anchorage, so they may need to be supported with a stake or trellis.

2258.

Preservation method that involves removal of water...​

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ANSWER:

Food drying is a method of food preservation in which food is dried (DEHYDRATED or desiccated). Drying inhibits the GROWTH of BACTERIA, yeasts, and mold through the REMOVAL of water.

Explanation:

2259.

What saftey measures are taken while handling pesticides and weedicides​

Answer»

ANSWER:

BCG me KNOW if you need anything

Explanation:

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2260.

Describe the construction of the coral cyst. ​

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Answer:

Coral reefs begin to form when free-swimming coral larvae attach to submerged rocks or other hard surfaces ALONG the edges of islands or continents. As the CORALS grow and expand, reefs TAKE on one of THREE major characteristic structures — fringing, barrier or ATOLL.

2261.

Why we need a physical, social and mentel health for well being of the earth

Answer»

Answer:

because our physical strength SAVES us from diseases and mental strength saves us from depressions.If Sushant SIR was GIVEN some mental strength then he WOULD not had done suscide.

2262.

Why drip irrigation saves wastage water​

Answer»

DRIP IRRIGATION saves WASTAGE of WATER because it PROVIDES the water to the crop plants by drops by drops pipe holes.

2263.

What do you understand by mixed cropping​

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ANSWER:

Mixed cropping is a system of sowing two or THREE CROPS together on the same land, one being the MAIN crop and the others the subsidiaries.

Explanation:

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2264.

How rotation of crops enrich the nutrient of the soil?And in what ways it is needed for the plant growth​

Answer»

Answer: When cover crops are regularly PART of a rotation, their residues increase soil organic matter. The organic matter feeds the growth of microbes, which increases the release of N as they DIE and decompose.

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2265.

Describe the post-fertilization events that occurring in egg.​

Answer»

After fertilization, cleavage occurs. Cleavage is a series of mitotic division which RESULTS in formation of SMALLER cells, called blastomeres. ... Once the three germ layers are established, the cells INTERACT to with one another and rearrange themselves to form tissues and organs. This is known as ORGANOGENESIS.

2266.

Why tissue is called lower level of organization​

Answer»

Answer:

Biosphere LEVEL

Organizations at level of individual and above are known as higher levels of organisation. It represents ecological hierarchy. Organizations below the levelof individual (organ SYSTEM, organ,tissue, cell, molecules, atoms ) are CALLEDAS lower level of organization.

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2267.

What is weeding friends​

Answer»

The UNWANTED plants that grow in-between crops are called weeds. The process of removal of such unwanted plants is called weeding. ... The weeds COMPETE with the actual crop for SPACE, NUTRIENTS and water. Hence, the removal of these unwanted plants provides an ample AMOUNT of nutrients and water to the crops.

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2268.

Parts of given picture :(a)(b) -(c) -(d)(e)-​

Answer»

Where is the PICTURE my DEAR FRIEND

2269.

Polar Habitat and Mountain Habitat ( Environmental Factors) please answer it is differentiate​

Answer»

Life in the planet’s polar regions can be incredibly difficult. BITTERLY cold winds whip across the landscape. Winter temperatures can reach deep into the negatives, and the winter night can last for months. But these seemingly barren landscapes are home to a rich diversity of wildlife—both on land and under the sea surface—that has evolved to SURVIVE these harsh conditions.

Millions of people also live in the Arctic, but Antarctica has no permanent inhabitants. Antarctica is protected by a 1959 treaty that established the CONTINENT as a place to be used only for peace and science—though several thousand scientists and support staff periodically INHABIT the area in the pursuit of research.

But even the relatively untouched expanse of Antarctica has not been immune to the effects of climate change. And the Arctic, in addition to climate change, has suffered from pollution, development by the OIL and gas industry, and overfishing.

2270.

1. This is the passage of water molecules from a lowconcentration solution into a higher concentration solutionthrough a partially permeable membrane _____________.​

Answer»

ANSWER:

This process is known as Osmosis through SEMI permeable MEMBRANE .

I hope it helps .

2271.

Q. कोरक पुटी के निर्माण का वर्णन करें।​

Answer»

EXPLANATION:

MENTION the LESSION NAME DEAR .❤❤❤❤

2272.

In the hierarchy of classification,which grouping will have the smallest number of organisms with a maximum of characteristics in common and which will have the largest number of organisms?

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ANSWER:

In the hierarchy of classification, a species will have the smallest NUMBER of organisms with a maximum of characteristics in COMMON, whereas the kingdom will have the LARGEST number of organisms.

Explanation:

2273.

अंडा में होने वाली निषेचनोत्तर घटनाओं का वर्णन करें? ​

Answer»

ANSWER:

dgdgdghsfsgxhgifc CVV F G y GV

2274.

Who many types of arrangements of leaves are there? name them?​

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ANSWER:

There are THREE basic types of leaf arrangements found in trees and shrubs: alternate, opposite, and WHORLED. In an alternate leaf arrangement, there is one leaf PER plant node, and they alternate sides.

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Explanation:

2275.

Please give answers to these.​

Answer»

ANSWER:

  1. Viruses
  2. Tonoplast
  3. Actin
  4. cellulose
  5. membranes STRUCTURE in the cell
  6. they contain lytic ENZYMES

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2276.

Why do you get hiccups? pls answer correctly

Answer»

Answer:

When the air rushing in hits your voice box, your vocal cords CLOSE suddenly and you're LEFT with a big hiccup. Some things that irritate the diaphragm are EATING too quickly or too much, an irritation in the stomach or the THROAT, or feeling nervous or excited. Almost all cases of the hiccups last only a few minutes.

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2277.

In which kingdom will you place an organism which is single celled , eukaryotic and photosynthetic?

Answer»

Answer:

hope it HELPS u!!

EXPLANATION:

A eukaryotic organism which is single-celled and PHOTOSYNTHETIC is placed under the KINGDOM PROTISTA.

2278.

Why do you yawn. pls give the correct answer

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ANSWER:

when the OXYGEN supply to the brain DECREASES we YAWN

2279.

Which type of nurtients is rizhobium​

Answer»

Answer:

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EXPLANATION:

The FOOD that Rhizobium receives is predominantly CARBOHYDRATES. As mentioned above, Rhizobium is a HETEROTROPHIC bacterium; it cannot create its own food, which is why it needs the plant. It is also the reason that the symbiotic relationship with the HOST plant is helpful to Rhizobium

2280.

What is ameoba ? Explain digestion in ameoba.​

Answer»
  • Amoeba is a unicellular, omnivore organism.

  • It takes place with the help of pseudopodia that is finger like extensions.

  • It engulfs the FOOD when it comes in CONTACT with its cell surface by ingestion.

  • Pseudopodia fuses over the food particle to form of food vacuole.

  • Inside the food vacuole complex food break into small soluble molecules and gets readily absorbed by the cytoplasm ie. absorption.

  • The undigested food MATERIAL is REMOVED by the cell membrane which ruptures suddenly at any place and eliminates out the undigested food ie. egestion.
2281.

Which of the following statement is not true a)Most of the plant tissues are supportive type b) tissues ensure division of labour c) sedentary existence contribute to the organ system design in animals d) organ systems are far more Complex in animals than in plants

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ANSWER:

no. 4 is INCORRECT....

2282.

Reaction of metals with acids to give salt and hydrogen gas is an example of with explanation​

Answer»

ANSWER:

METALS above the COPPER in REACTIVITY SERIES

2283.

What modification did Carl Woese introduce in classification of living organisms?

Answer»

Answer:

CARL WOESE introduced a modification in Whittaker CLASSIFICATION by dividing Monera into Archaebacteria and EUBACTERIA. Further classification is DONE by naming the sub groups at various levels as GIVEN below: Kingdom

Explanation:

2284.

Reaction of metals with acids to give salt and hydrogen gas is an example of​

Answer»

ANSWER:

it is an EXAMPLE of DISPLACEMENT reaction

Explanation:

2285.

State the role of acid in the human stomach​

Answer»

Answer:

  • Hydrochloric acid KILLS BACTERIA in our stomach
  • It also breaks down LARGE particles of food into smaller one
  • Etc.

Explanation:

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2286.

3. Explain the changes that takesplace during fertilization in embroyosac1​

Answer»

An EGG changes dramatically at fertilization. These changes include its DEVELOPMENTAL potential, its PHYSIOLOGY, its gene expression profile, and its cell surface. This picture I've ATTACHED highlights the changes in the cell surface of the egg that occur in response to sperm.

2287.

What is chemosynthesis (explain in your language)​

Answer»

ANSWER:

SORRY but you will not UNDERSTAND my language

Explanation:

2288.

Fill in the blanks: (i) Transpiration is _____________when air is humid. (ii) ________________are tube-like structures open at both the ends. (iii) Root cells contain sap which is ___________in concentration. (iv) ______________________________________is the element which affects the opening and closing of stomata. (v) The starch is transported in the form of ______________

Answer»

Answer:

Transpiration is decresed_when air is humid.

XYLEM and PHLOEM are tube-like structures open at both the ends

Root cells contain sap which is higher in concentration

) Mineral Elements.is the element which affects the opening and CLOSING of tomato

The STARCH is transported in the form of ________sucrose

Explanation: please MARK brainlist

2289.

सम इनफार्मेशन अबाउट कैक्टस​

Answer»

ANSWER:

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2290.

Koi to help karo meri​

Answer»

ANSWER:

KYA HELP karna HAI sis.

2291.

The testis are located in the please answer me if you are sure​

Answer»

Answer:

Testes (testicles).

The testes are 2 small organs that are found INSIDE the SCROTUM. The testes make sperm. They also HELP produce a hormone CALLED testosterone.

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2292.

1)In plants which of the following have the capability of cell divisions? a)parenchyma b)sclerenchyma c)Xylem d)Apical Meristem 2) the growth in plants is a)limited to certain regions b)uniform in all parts c)limited to top region d)limited to roots only

Answer»

Answer:

parenchyma

b) UNIFORM in all parts

Explanation:

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2293.

What is protoza????????

Answer»

  • PROTOZOA (ALSO protozoan, plural protozoans) is an INFORMAL term for single-celled eukaryotes, EITHER free-living or parasitic, which feed on organic matter such as other microorganisms or organic tissues and debris.

_______________

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2294.

The testis are located in the​

Answer»

MEN's REPRODUCTIVE SYSTEM...

2295.

differentiate between smooth and rough endoplasmic reticulum.how are they important for membrane bio-genesis?

Answer»

Answer:

i hope it help u

******************

Explanation:

SER:

1. they have no ribosomal PARTICLES, hence look smooth.

2. it helps in the manufacturing of lipids and FAT molecules.

RER:

1. they have ribosomes on the surface, therefore are ROUGH in texture.

2. they are the sites of protein synthesis.

_ ER synthesizes lipids [ SER ] & proteins [ RER ] which are RESPONSIBLE for formation of membrane. THUS they help in membrane biogenesis.

2296.

Write function of each hormone in plants.what is phototropism?explain with example.what is hydrotropism?what is geotropism?​

Answer»

ANSWER:

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2297.

Can anyone pls send me chapter 8of class 8 science biology​

Answer»

DOWNLOAD it from GOOGLE ok

class 8

2298.

How weed can be controlled​

Answer»

Answer:

By USING WEEDICIDE or manual weeding

Explanation:

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2299.

List out the edible parts of the banana plant.

Answer»

ANSWER:

STEM is the EDIBLE PART of BANANA

2300.

Plzz answer especially number 4 it is urgent​

Answer»

1)EUKARYOTIC Cells

2)CONTRACTILE Vacuole

3)Thorax

4) SPOROPHYLL