Giye one word answers of the following
1. The number of atoms present in a molecule of an element is known as
2. A substance formed by the chemical combination of two or more elements in fixed
proportion is called a
3.
is used to represent elements.
4. We can write the formula of a compound, if the
of its constituent's
elements/ groups are known.
5. The direction of flow of heat is always from
body to a
body.
6. Which device is used for measurement of temperature of human body?
7. Dark colours are good
of heat.
8. The vacuum in a thermo flask reduces the heat loss due to
9. A kidney, ureter and urinary bladder together are called
10.The fluid part of the blood is called
11.The cells in the blood which fight against the germs entering the body
are
12. Through which process is water and dissolved mineral salts transported from the
root to other parts of the plant.
13.In plants, water is absorbed by root hair from the soil by
14. Which is the only vein that carry oxygenated blood from lungs to
heart.
15.In lower animals such as amoeba, paramecium etc. excretion takes place
through
litres.
16. Volume of blood in an average human adult is between
Answers
Explanation:
1 : Atomicity
2 : Compounds are substances formed when two or more elements are combined that are always present in fixed ratios. The elements are bonded together either through covalent or ionic bonding.
3 : Chemists
4 : An element's location in the periodic table is largely dependent on its electrons; the number of valence shell electrons determines its group, and the type of orbital in which the valence electrons lie in determines the element's block.
5 : Heat always flows from a body at higher temperature to a body at a lower temperature.
6 : Thermometer
7 : Dark colors absorb a lot more heat than lighter ones because they absorb more light energy. In fact, the closer to black a color is, the more heat it absorbs from light sources. The key is that colors do not absorb different amounts of heat, only heat from light.
8 : Invented by Sir James Dewar in 1892, the vacuum flask consists of two flasks, placed one within the other and joined at the neck. The gap between the two flasks is partially evacuated of air, creating a near-vacuum which significantly reduces heat transfer by conduction or convection.
9 : A08.0.00.000. FMA. 7159. Anatomical terminology. The urinary system, also known as the renal system or urinary tract, consists of the kidneys, ureters, bladder, and the urethra.
10 : The liquid part, called plasma
11 : Your body uses white blood cells to fight off the bacteria and viruses that invade your body and make you sick. In the gif below you can see a white blood cell called a neutrophil chase down a Staphylococcus aureus bacterium.
12 : Thus roots absorb water and salts from the process of osmosis. The absorbed water and the salts move to the next cell once again by Osmosis. The movement of the water from roots to the parts of the plant above the ground is called ASCENT OF SAP. Water is transported from the roots to the leaves through Xylem vessels.
13 : osmosis
14 : pulmonary veins
15 : Amoeba possess osmo-regulatory organelle called contractile vacuole. This collects water and waste from the body,swells up,reaches the surface and bursts to release its content to outside. The main excretion takes place through body surface by the process of osmosis. Thus,waste products are exceed in amoeba.
16 : The average adult has about 1.2 to 1.5 gallons (4.5 to 5.5 liters) of blood circulating inside their body, said Dr. Daniel Landau, a hematologist and oncologist at the University of Florida Cancer Center – Orlando Health.
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Answer:
answer
Explanation:
1st question answer:Atomicity is defined as the total number of atoms that constitute a molecule. For example, each molecule of oxygen (O2) is composed of two oxygen atoms. So atomicity of oxygen is 2.In older contexts, the term atomicity is sometimes used in the same sense as valency.
2nd question answer:Explanation: Compounds are substances formed when two or more elements are combined that are always present in fixed ratios. The elements are bonded together either through covalent or ionic bonding
3rd question answer:Chemists use symbols to represent elements. A symbol is a letter or picture used to represent something. Chemists use one or two lettters to represent elements.
4th question answer:A chemical formula identifies each constituent element by its chemical symbol and indicates the proportionate number of atoms of each element. In empirical formulae, these proportions begin with a key element and then assign numbers of atoms of the other elements in the compound, by ratios to the key element.
5th question answer:Heat always flows from a body at higher temperature to a body at a lower temperature.
6th question answer:Thermometer. A thermometer is an instrument which is used for measuring temperature of a body.
7th question answer:Dark colors absorb a lot more heat than lighter ones because they absorb more light energy. In fact, the closer to black a color is, the more heat it absorbs from light sources. The key is that colors do not absorb different amounts of heat, only heat from light
8th question answer:Invented by Sir James Dewar in 1892, the vacuum flask consists of two flasks, placed one within the other and joined at the neck. The gap between the two flasks is partially evacuated of air, creating a near-vacuum which significantly reduces heat transfer by conduction or convection.
9th question answer:A08.0.00.000. FMA. 7159. Anatomical terminology. The urinary system, also known as the renal system or urinary tract, consists of the kidneys, ureters, bladder, and the urethra
10 questions answer:The fluid part, called plasma, is made of water, salts, and protein. Over half of your blood is plasma. The solid part of your blood contains red blood cells, white blood cells, and platelets.
11th question answer:Your body uses white blood cells to fight off the bacteria and viruses that invade your body and make you sick.
12th question answer:Thus roots absorb water and salts from the process of osmosis. The absorbed water and the salts move to the next cell once again by Osmosis. The movement of the water from roots to the parts of the plant above the ground is called ASCENT OF SAP. Water is transported from the roots to the leaves through Xylem vessels.
13th question answer:osmosis
Root hair cells
Plants absorb water from the soil by osmosis. They absorb mineral ions by active transport, against the concentration gradient
14th question answer:pulmonary veins
The pulmonary veins carry oxygenated blood from the lungs into the left atrium where it is returned to systemic circulation. The aorta is the largest artery in the body.
15th question answer:Circulation in lower animals. In unicellular organisms like amoeba and paramecium, circulation is brought about by the process of diffusion.
16th question answer:The average adult has about 1.2 to 1.5 gallons (4.5 to 5.5 liters) of blood circulating inside their body, said Dr. Daniel Landau, a hematologist and oncologist at the University of Florida Cancer Center – Orlando Health.
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