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39951.

A flower in which sepals are fused not an example only which kind of flower​

Answer» EXPLANATION:A sepal is a part of the flower of angiosperms (flowering plants). Usually green, sepals typically ... In some species the calyx not only persists after flowering, but instead of WITHERING, begins to grow ... In some flowers, the sepals are fused towards the base, forming a calyx TUBE (as in the FAMILY Lythraceae, and Fabaceae).
39952.

Explain the role of plant growth harmonesplzz answer correctly plzzzzzzzzzzzzzzzzzz​

Answer»

rowth hormones are organic compounds which are either produced naturally WITHIN the plants or are synthesized in laboratories. They PROFOUNDLY control and modify the PHYSIOLOGICAL processes LIKE the growth, development, and MOVEMENT of plants.

39953.

What protect the lining of the stomach from the acid​

Answer» MUCUS I GUESS PLZ CHECK
39954.

How does biology helps us in leading a healthier life?

Answer» TION:BIOLOGY TELLS about your HEALTH to being healthy STRONG
39955.

What happens when soil is deficient in certain nutrients

Answer»

Very acid or alkaline conditions, dryness and waterlogging can all make it difficult for plants to take up soil nutrients. Nutrient DEFICIENCIES cause symptoms such as leaf YELLOWING or BROWNING, sometimes in distinctive PATTERNS. This may be accompanied by stunted growth and POOR flowering or fruiting.#Gundi..✌✌

39956.

Name the following. 1) what is cell theory. 2) Who proposed cell theory. 3)Who modified cell theory. 4)What is cell cycle? 7) Nucleosome?

Answer»

eory is the historic scientific theory, now universally accepted, that living organisms are made up of cells, that they are the basic structural/organizational UNIT of all organisms, and that all cells come from pre-existing cells.Theodor SCHWANN,Matthias SchleidenRudolf VirchowThe cell cycle, or cell-division cycle, is the series of events that take place in a cell that cause it to divide into TWO daughter cells.A nucleosome is the basic structural unit of DNA packaging in eukaryotes. The STRUCTURE of a nucleosome consists of a segment of DNA WOUND around eight histone proteins and resembles thread wrapped around a spool. The nucleosome is the fundamental subunit of chromatin.

39957.

Name the nitrogen fixing bacteria in root nodules of leguminous plants.​

Answer» LEGUMES use nitrogen FIXING bacteria, specifically symbiotic rhizobia bacteria, within their root nodules to COUNTER the limitation. Rhizobia bacteria convert nitrogen gas (N2) to AMMONIA (NH3) in a process called nitrogen FIXATION.#gundi...✌✌
39958.

Pesticides are used to kill small pests, but they are not strong enough to cause harm to humans. True or false?​

Answer» PESTICIDES are POISONS and, unfortunately, they can harm more than just the “PESTS” at which they are targeted. They are toxic, and EXPOSURE to pesticides can cause a number of health effects. They are linked to a range of serious illnesses and diseases from respiratory PROBLEMS to cancer.
39959.

Neuroendocrine system​

Answer»

roendocrine system is the MECHANISM by which the hypothalamus MAINTAINS homeostasis, regulating reproduction, metabolism, eating and drinking behaviour, ENERGY utilization, OSMOLARITY and BLOOD pressure.•••☆FOLLOW ME !! ☆•••

39960.

Predominant gas resealed from biogas plant and its chemical formula is.........​

Answer»

methane GAS releases from biogas plant ; CH4 is it's CHEMICAL FORMULA.

39961.

What is the importance of 4R principal

Answer» TION:reuserepurposerecyclereducerefuseare very IMPORTANT for PARTICIPLES
39962.

Find the odd one out : Hinge joint, ball and socket joint and sutures

Answer» EXPLANATION:SUTURES
39963.

What happens if a stem completely covered with wax guess and write

Answer» EXPLANATION:If the STAND COMPLETELY COVERED with wax the stem world being dry as it cannot REACH Oxygen and it will die
39964.

7. Name one pesticide you will use to kill insects that harm crops.​

Answer»

DDTIn general, ONE pesticide used to KILL insects and harm crops is DDT, on the other DDT atrazine is a pesticide as well as it is also used to kill the INSECT which harms our crop

39965.

Aquatic organisms using oxygen dissolved in water during respiration

Answer» AQUATIC respiration is the process whereby an aquatic animal obtains oxygen from water. Fish USE the process KNOWN as countercurrent flow in which water and blood flow in opposite directions across the gills, MAXIMIZING the diffusion of oxygen.Explanation:please add me to BRAINLIEST and follow me ✌️✌️❤️
39966.

What is the importance of lenticels in plants

Answer»

Lenticels permit the EXCHANGE of gases between the ENVIRONMENT and the internal tissue spaces of the organs (stems and some fruits) (Fig. 6.2). They permit the ENTRANCE of oxygen and simultaneously the output of carbon dioxide and WATER vapor.

39967.

How are oxygen and carbon dioxide trasported in human beings?​

Answer»

e ❤️here is ur answer.......... The partial pressures of OXYGEN and carbon dioxide change as BLOOD MOVES through the body. In short, the change in partial pressure from the ALVEOLI to the capillaries drives the oxygen into the TISSUES and the carbon dioxide into the blood from the tissues.hope it helps uh....❤️#Sara❤️MARK AS BRAINLIEST ✌️✌️✌️

39968.

Campare the functioning of alveoli in lungs and nephrons in kidneys.

Answer» EXPLANATION:ALVEOLI they deal  with respiratory gases .they are round in shape .NEPHRON  the functuon of nephron is to FILTER the blood from the nitrogeneos waste.they are elongated TUBLES.                     please MARK me as the BRAINLIEST
39969.

5. Allowing a field to remain free of crops for one or more seasons is called field________ . It allows the field to regain __________.​

Answer» REPLENISHMENT, NUTRIENTS
39970.

6. All crops require approximately the same amount of water at roughly the same time periods of their growth. True or false?​

Answer»

MAY BE FALSE.the CROPS like paddy requires more WATER than many other crops,and wheat can growth with less water.so it will depend upon plant type.in the summer the water which we SUPPLY may get evaporated before the consumption by the plant,and on winter SEASONS the plants can grow with less water and talking about rainy,not water require.so it ALSO depend upon the seasons.HOPE YOU UNDERSTAND.MARK ME AS THE BRAINLIEST.THANK YOU!

39971.

Give word equation for aerobic and anaerobic respiration​

Answer»

respiration takes place in the mitochondria and requires oxygen and GLUCOSE, and produces carbon dioxide, WATER, and ENERGY. The CHEMICAL equation is C6H12O6 + 6O2 → 6CO2 + 6H2O (glucose + oxygen -> carbon dioxide + water).

39972.

What can you become if you are interested in Biology? Can you become a dietitian? Or a nutritionalist? If both options are yes then tell which one is more better job- Dietitian or Nutritionalist? Pls let me know☺️

Answer»

Hello dear , I'm student of biology yes you can become both . If you get admission in any regular college (Bsc. ) then you can become any of them.According to me Dietician is BEST !!Because Only nutritionists that become registered with Commission on DIETETIC Registration (CDR) MAY LEGALLY declare themselves as dietitians or more precisely, registered dietitians (RDs).So this is what I wanted to tell u!! Hope I HELPED youplease don't forget to thank and mark as brainliast ;)

39973.

Why virus is not considered as a cell??

Answer»

tion:Viruses are not MADE out of cells, they can't keep themselves in a stable state, they don't grow, and they can't MAKE their own energy. Even though they definitely REPLICATE and adapt to their environment, viruses are more like androids than real living organisms.

39974.

Anyone who give a video of class 9 chapter 1 from kritika book​

Answer»

yes I can GIVE you FOLLOW me in YOUTUBE channel AB Abhilasha

39975.

Why are meat and fish dry and salted ?Give Reason .​

Answer» MEAT and fish are covered with dry salt to check the GROWTH of bacteria. Salting is also used to PRESERVE AMLA, raw mangoes, tamarind, etc. Common salt reduce the WATER content.Explanation:
39976.

What is an anthropogenic ecosystem and what are its important characters

Answer»

Anthropogenic biomes, also known as anthromes or human biomes, describe the terrestrial biosphere in its contemporary, human-altered from using global ECOSYSTEM UNITS defined by global patterns of sustained direct human interaction with ecosystems.So, the correct option is 'Show a high degree of nutrient cycling'Ellis and Ramankutty (2008) delineate 21 anthropogenic biomes based on population density, land USE and vegetation cover. The anthropogenic biomes are grouped into six major CATEGORIES -- dense settlements, villages, croplands, rangeland, forested and wildlands.hope it will help you... please mark my answer as a brainlist

39977.

What is the function of gustary receptors

Answer»

ry and olfactory receptors are the sensory receptors that are related to sense of taste and sense of smell. (a) Gustatory receptors are present on the TONGUE are spread evenly ACROSS the taste buds. Their MAIN FUNCTION is to provide a sense of taste.

39978.

4. The agricultural implement used to sow seeds is called a seed_____________.​

Answer»

icultural IMPLEMENT used to SOW SEEDS is called a SEED drill.

39979.

"photosynthesis is a process of carbon assimilation".Justify.​

Answer»

fixation or сarbon assimilation is the conversion PROCESS of inorganic carbon (carbon DIOXIDE) to organic compounds by living organisms. The most prominent EXAMPLE is photosynthesis, although chemosynthesis is another form of carbon fixation that can take place in the absence of sunlight.PLEASE MARK AS BRAINIEST ✅✅

39980.

*What are genes ? What are their functions.* *Pls help*

Answer»

Explanation:A GENE is the BASIC physical and FUNCTIONAL unit of heredity. Genes are MADE up of DNA. Some genes act as instructions to make molecules CALLED proteins.MAIN FUNCTION

39981.

State the location and function of placenta in a flower [class 9] {icse} (chapter -3)​

Answer»

Funiculus in the PART EQUIVALENT to the umbilical cord in which the ovules are attached inside a flower's ovary. The part of the ovary where funiculus is present is called the placenta. Its function is to provide a connection with the ovary walls and the flower and provide nutrients to the developing embryoThe placenta is an organ that develops in your UTERUS during pregnancy. This structure provides oxygen and nutrients to your growing baby and REMOVES waste products from your baby's blood. The placenta ATTACHES to the wall of your uterus, and your baby's umbilical cord arises from it.

39982.

Give two suggestions to keep your teeth and gums healthy ​

Answer» EXPLANATION:Here are a few ways you can HELP keep your gums healthy.FLOSS. Floss at least once a day. Get regular dental cleanings. Your dentist can detect early gum disease symptoms if you see them on a regular basis. Quit SMOKING. Brush twice a day. Use fluoride toothpaste. Use a therapeutic mouthwashMark me brainliest
39983.

Hi freends..yy658tug5diyxirsurzits6oeo6​

Answer» SORRY didnt UNDERSTAND the MEANING
39984.

Plastids where are they found in plant cell?

Answer»

*PLASTIDS are present in MESOPHYLL CELLS on plant LEAVES*.PLEASE MARK IT BRAINILIEST

39985.

Levels of different susbtances are generally maintained by

Answer»

ism/Homeostasis

39986.

Which articles can be classified as single use plastics

Answer»

orry MATE I DONE a mistake so sorry.. MARK ME BRAINLIEST

39987.

Define diffusion and osmosis. Which of these happen in the following cases?

Answer»

Answer-1){1}Diffusion- The movement of a substance from the higher concentration to lower concentration is known as diffusion.Osmosis. The movement of a water molecules through the selectively PERMEABLE MEMBRANE is known as osmosis.Explanation:following case is not mentionedbut still I can help you out....osmosis takes place in water....and diffusion takes place from higher concentration to lower CONCENTRATIONS with this content you can relate from the following that you didn't COPIED whole

39988.

NAME THE PART OF THE CELL CONCERN WITH THE FOLLOWING A) SYNTHESIS OF PROTEINB) TRANSMISSION OF HEREDITARY CHARACTERC) INITIATION OF CELL DIVISION​

Answer»

A= RIBOSOME B= DNA C= NUCLEUS

39989.

What is hypertension ? write it's causes and. prevention​

Answer»

Definition of hypertension :Hypertension is the medical term for high blood pressure. Both terms MEAN the same thing. Hypertension (high blood pressure) is defined as having a blood pressure READING of more than 140/90 mmHg over a number of weeks. Causes of hypertension :A diet high in salt, fat, and/or cholesterol. Chronic conditions such as kidney and HORMONE problems, diabetes, and high cholesterol. Family HISTORY, especially if your parents or other close relatives have high blood pressure.Prevention of hypertension :Eating a healthy diet. To help manage your blood pressure, you should LIMIT the amount of sodium (salt) that you eat, and increase the amount of potassium in your diet.

39990.

Effect of exercise on breathing rate

Answer»

During EXERCISE there is an increase in PHYSICAL activity and muscle CELLS respire more than they do when the body is at rest. The heart rate increases during exercise. The rate and depth of breathing increases - this makes sure that more oxygen is absorbed into the blood, and more carbon dioxide is removed from it

39991.

3. Preparation of the soil involves________ and _________ it.​

Answer»

tion of soil: Soil is prepared before SOWING the seeds. The soil is LOOSENED to INCREASE the absorption of WATER and manures. Loosening of soil particles adds humus and nutrients in the soil that increases CROP yields.

39992.

Observe the diagram given above. i) identify the given diagram and label its part.ii) define 'a'.iii) 'b' is also known as ______. give reason.iv) what is the main part of'c' ?​

Answer» SEARCH this on GOOGLE I HOPE you will FIND your ANSWERS
39993.

Plzz answer it if u know​

Answer»

non BIODEGRADABLE waste does not get decomposed easily and HARM the ANIMALS who EAT them

39994.

2. Large grasses cultivated for their nutritious seeds are called. ​

Answer»

rasses CULTIVATED for their NUTRITIOUS SEEDS are CALLED CEREALS.

39995.

What is white blood cells if any body knows answer it please

Answer»

if it helps you please mark me as Brainliest and follow meExplanation:STEM cells in the BONE marrow are responsible for producing white blood cells. The bone marrow then STORES an estimated 80–90% of white blood cells. When an infection or inflammatory condition occurs, the body releases white blood cells to help fight the infection.

39996.

Which part of the light microscope controls the intensity (amount) of light entering the viewing area

Answer» HEY FRIEND,The ANSWER is IRIS diaphragm.plz Mark it as brainliest
39997.

1. About how many years ago did agriculture begin?​

Answer»

if it HELPS you PLEASE mark me as BRAINLIEST and FOLLOW meExplanation:around 12,000 years AGO

39998.

Write the missing part Caval vein Right auricle 1 Right ventricle 2 Pulmonary artery Lungs

Answer» LEFT aurical left ventricleaorta VALVES
39999.

Which of the following machines can be used to harvest a crop and also to beat out the grain For the chaffa harvesterb. combinec. thresher​

Answer»

combineExplanation:because it can HARVEST and BEAT out the GRAIN

40000.

Secondary lysosomes are also known as??​

Answer»

tion:76i5eetietitet5ri5rir5464u6r6x47o4 and a little bit more than a cell or BODY or a little more confident than a few other people who will be doing the BEST thing to make you and the other two