Name the organs responsible for the following functions present in either elements, plants or human. a) Vision b) Reproduction c) Hormone secretion d) Blood pumping e) Food storage

1 Answer

Answer :

Answers: a) Eye b) Gonades c) Glands d) Heart e) Stem and stomach

Related questions

Description : Define RECEPTORS in man. Name different receptor organs in human body.

Last Answer : In a sensory system, a sensory receptor is a sensory nerve ending that recognizes a stimulus in the internal or external environment of an organism. Following are the different sensory ... to temperature, either heat, cold or both  Electromagnetic Receptors's respond to electromagnetic waves

Description : What are Exocrine glands? Give names of any four along with the name of their secretion.

Last Answer : Answer: Glands are of two principal types: (1) those of internal secretion, called endocrine, and (2) those of external secretion, called exocrine. Some glands such as the pancreas produce both internal and external ... .Sebum Lacrimal gland ......... ..Tears Salivary gland.............Saliva

Description : Write short notes on any two of the following : a. Superconductivity b. Night Vision Technology c. Seismograph

Last Answer : a. Superconductivity The pairing of electrons in certain materials when cooled below a critical temperature, causing the material to lose all resistance to electricity flow. Superconductors can carry ... for measuring the intensity of earthquakes by recording the seismic waves that they generate.

Description : Name of Hormone………..Gland secreting Hormone

Last Answer : a) Insulin…….............…Pancreas b) Thyroxin…….............Thyroid c) Adrenaline…............Adrenal Medulla d) Oestrogen…... .......…Ovaries e) Testosterone…........Testes f) Cortisol………... .........Adrenal Cortex

Description : Explain in detail what is a balanced diet; name a nutrient present in each of the following food: 1. Apple 2. Bread 3. Meat 4. Butter 5. Orange 6. Egg 7. Milk 8. Spinach

Last Answer : Answers: 1. Vitamin C 2. Starch 3. Vitamin A 4. Vitamin A 5. Vitamin C 6. Vitamin D 7. Vitamin A, C, D 8. Vitamin K

Description : What organ of human body controls the amount of water and salt in blood?

Last Answer : Ans. kidneys

Description : Why cannot a copper wire be used to make elements in electric heater?

Last Answer : Answer: Copper melts at 108.3^0C and forms a black powder on reacting with atmospheric oxygen. For heater elements a metal should have more resistance to produce heat.

Description : What are minerals ? For most of the part minerals are constituted of eight elements, name any six of them. State the six characteristics that are used to identify minerals

Last Answer : Minerals Natural substance belonging to a group of inorganic (often crystalline) compounds which are found in the earth, that which is not animal or vegetable A mineralis a naturally occurring substance ... transmit light. Depending on a number of things, rocks & minerals can also transmit light.

Description : Differentiate between any five of the following: a) DNA and RNA b) Alloy and Amalgam c) Blood and Lymph d) Stars and Planets e) Gas and Vapour f) Brass and Bronze

Last Answer : a) DNA & RNA RNA: It is single stranded molecule Contains Ribose sugar contains adanine, guanine ,cytosine, & uracil bases generally located in cytoplasm is of three kinds DNA: Double stranded deoxyribose contains ... and Bronze: Brass: an alloy of copper and zinc Bronze: an alloy of copper and tin

Description : GnRH, a hypothalamic hormone, needed in reproduction, acts on (a) anterior pituitary gland and stimulates secretion of LH and FSH (b) posterior pituitary gland and stimulates secretion of oxytocin ... of LH and relaxin (d) anterior pituitary gland and stimulates secretion of LH and oxytocin.

Last Answer : (a) anterior pituitary gland and stimulates secretion of LH and FSH

Description : GnRH, a hypothalamic hormone, needed in reproduction, acts on: (1) anterior pituitary gland and stimulates secretion of LH and FSH. (2) posterior pituitary gland and stimulates secretion of oxytocin and ... of LH and relaxin. (4) anterior pituitary gland and stimulates secretion of LH and oxytocin.

Last Answer : 1) anterior pituitary gland and stimulates secretion of LH and FSH.

Description : Briefly discuss the classification of plants giving suitable examples:

Last Answer : There are nearly half a million species of plants on the earth. With the exception of few , all of them need three basic ingredients to survive : air , light and water . Plants are found ... angiosperms include most other trees , the flowering plants, the grasses , crop plants , vegetable and weeds.

Description : How the Electrical energy is produced by Nuclear Power Plants?

Last Answer : A nuclear power plant (NPP) is a thermal power station in which the heat source is one or more nuclear reactors generating nuclear power. Nuclear power plants are base load stations, which work ... in operation around the world, which together produce about one-sixth of the world's electric power.

Description : Name the parts of human body from where the following secreted:

Last Answer : (a) Insulin- Pancreas (b) thyroxin-thyroid gland (c) adrenalin- Adrenal Medulla (d) oestrogen- From ovaries (in females) (e) cortisol- From adrenal cortex (f) Testosterone- From testis (in males) and from adrenal cortex in both males and females.

Description : Give scientific reason of the following: (1) Pole star is always seen in the north. (2) We never see birds urinating. (3) Pasteurized milk has more nourishment than the ordinary boiled milk. (4) Bees die when they sting human beings. (5) Cloudy nights are usually warmer than the clear ones.

Last Answer : (1) Pole star is always seen in the north. Because the pole star, which we have in the south, is too faint that it cannot be seen from the naked eye. or Because the earths motion is from ... to get lost in the atmosphere, above the clouds. Ultimately, the heat produced in the vicinity is restored.

Description : What are the deficiency effects of the following nutrients in the human body?

Last Answer : a) Iron Iron Deficiency Anemia b) Iodine Goiter c) Fluoride May cause increased dental caries and possibly osteoporosis d) Vitamin A Vitamin A is essential for night vision and improves ... also causes osteomalacia in the adults. Humans have the ability to synthesize vitamin D from sunlight.

Description : What is Ozonoshpere? Discuss the human technologies which are causing its depletion. What harm to man this depletive state would cause?

Last Answer : Ozonosphere A layer in the stratosphere (at approximately 20 miles) that contains a concentration of ozone sufficient to block most ultraviolet radiation from the sun The ozone layer is a layer ... of the ozone layer. Wind patterns could change, resulting in climatic changes throughout the world.

Description : Which part/organ of the human body do the following belong: (i) Eustachian tube (ii) Cartilage (iii) Auricle (iv) Tendon (v) Dendrites

Last Answer : Answers: (i) Eustachian tube...... Ear (ii) Cartilage............ ... Connective tissue (iii) Auricle............... .. Ear (iv) Tendon ................Muscle (v) Dendrites... ........... Neuron

Description : Name any two glands which secretes hormones in human body

Last Answer : Ans. Thyroid and Pituitary , Pancreas

Description : Explain the following: (i) Blood group (ii) Short circuit (iii) Short sight (iv) International date line (v) Plaster of Paris

Last Answer : Answers: (i) Blood group A blood type (also called a blood group) is a classification of blood based on the presence or absence of inherited antigenic substances on the surface of red blood ... calcium sulfate hemihydrate, nominally CaSO4 0.5H2O. It is created by heating gypsum to about 150 °C.

Description : Why climbers get their food by climbing on other trees ?

Last Answer : Ans: By climbing on other trees, they get close to the light source.

Description : Which of the following is true of endocrine glands? A) endocrine glands are located very close to their target organs to be more effective. B) each endocrine gland only produces one hormone. C ... gland is independent and not affected by another endocrine gland. E) None of the choices are correct.

Last Answer : C) some endocrine glands have additional non-endocrine functions.

Description : Define the following a) Amphibion b) Synchronous satellite c) Big Dipper d) Fermentation e) Millennium Bug

Last Answer : (a) Amphibion cold-blooded vertebrate animal able to live both on land and water (b) Synchronous satellite A satellite in a synchronous orbit A synchronous orbit is one in which an orbiting object ... an inability in older computing software to deal correctly with dates of 1 January 2000 or later.

Description : Write briefly (a)Allotropy (b) Nebula (c) Enrichment of Uranium (d) Aqua Regia (e) Greenhouse effect (f) Igneous rocks

Last Answer : (a)Allotropy existence of a chemical element in two or more different forms For example, the element carbon has two common allotropes: diamond, where the carbon atoms are bonded together in a ... igneous rocks have been described, most of them formed beneath the surface of the Earth's crust.

Description : Write briefly a. Supernova: b. Radioactivity c. Laser: d. Semiconductors: e. Geothermal Energy

Last Answer : a. Supernova: star increasing suddenly in brightness. b. Radioactivity: spontaneous disintegration of atomic nuclei, with the emission of usu. penetrating radiation or particles. c. Laser: device ... a computer program and intended to corrupt the system or destroy data. g. Pasteurization:

Description : Differenitate between the following pairs: (a) BIT and BYTE (b) RAM and ROM (c) Epidemic and endemic (d) Photosynthesis and respiration (e) Herbivores and carnivores

Last Answer : (a) BIT and BYTE Bit: -the computer works with binary numbers, which are 0 and 1. Each binary digit is called a bit . Bit is the short for binary integer. It is the smallest ... include cat, dog, lion, tiger etc. Herbivores and carnivores constitute the food chain of a particular community.

Description : (a) Asteroids (b) Black Hole (c) Aurora (d) Sedimentary Rock (e) Epiphytes (f) Ionosphere

Last Answer : a. Asteroids Asteroids, also called minor planets or planetoids, are a class of astronomical objects. The asteroid is a small celestial body that drift in the solar system in orbit around the ... . It plays an important part in atmospheric electricity and forms the inner edge of the magnetosphere.

Description : Differentiate between the following pairs: (a) Telemeter and Multimeter: (b) Perimeter and Altimeter (c) Periscope and Microscope (d) Nucleon and Photon (e) Cusec and Comet

Last Answer : (a) Telemeter and Multimeter: Telemeter is used to convey the physical statistics to a distance, while a multimeter is a complex device, having a potentiometer and ammeter. (b) Perimeter and Altimeter Perimeter is ... packet. (e) Cusec and Comet Cusec is a measure of flow, while comet is an object.

Description : Differentiate between the following pairs. (a) Radiotherapy & Chemotherapy (b) Penumbra & Umbra (c) Springtides & Neaptides (d) Vertebrates &. Invertebrates (e) Fluorescent light & Neon signs

Last Answer : (a) Radiotherapy & Chemotherapy Radiotherapy: Radiation therapy (or radiotherapy) is the medical use of ionizing radiation as part of cancer treatment to control malignant cells. Radiotherapy may be ... Crookes tube), which is a glass tube for demonstrating the principles of electrical discharge.

Description : Write briefly about (a) Shock Waves (b) Sound Barrier (c) Solar Cell (d) Super Fluid (e) Tsunami (f) Photovoltaic Cell (g) Hygrometer

Last Answer : (a) Shock Waves In fluid dynamics, a shock wave is a nonlinear or discontinuous pressure wave. It can also be when the actual molecular or particle speed is moving faster than the wave ... . Evaporation from the bulb lowers the temperature so that this thermometer usually shows a lower temperature.

Description : Differentiate between the following pairs a. periscope & pyrometer b. cell & battery c. perimeter & altimeter d. pelage and plumage e. smog and smoke

Last Answer : a. periscope & pyrometer periscope is an optical instrument pyrometer is a meter used to measure high temperature b. cell & battery Cell is a small unit/device that delivers an electric ... visibility and is hazardous to health Smoke are the thin fine particles usually result from the combustion

Description : Write briefly about any five of the following a. Nuclear radiation b. Theodolite c. Dialysis d. Enrichment of Uranium e. Richter Scale f. Aqua regia g. Iodized salt

Last Answer : a. Nuclear radiation Three are atomic nuclei of some elements that continuously emit some ultraviolet waves called radiation. When the process of radiation is stimulated through various nuclear processes ... , and at approximately the same level throughout the year, irrespective of economic level.

Description : Give scientific reason of the following : a) Colour blindness is more common in men than in women b) Light coloured clothes are generally worn in summer c) A person is hurt more when he falls ... ground than on soft d) Deforestation causes more floods e) The man-hole covers are generally round

Last Answer : a) Colour blindness is more common in men than in women Women have the sex chromosomes XX, while men have the chromosomes XY. The gene for normal colour vision is found on the X- ... of flowing water. When these trees are cut the natural barriers ultimately vanish and more floods are caused

Description : Differentiate between the following pairs : a). Lava and Magma b). Ultraviolet and infrared c). Fault and Fold d). Caustic Soda and Caustic Potash e). S.E.M. and T.E.M.

Last Answer : a). Lava and Magma Molten rock, when it is still beneath the earth's surface is Magma, and "lava" after it has erupted. b). Ultraviolet and infrared Ultraviolet : Electromagnetic radiation ... allowing the surface stucture of a specimen to be examined. T.E.M.: Transmission electronic microscope.

Description : Differentiate between any five of the following. (i) Artery and vein (ii) Hard water and soft water (iii) E-mail and Snail mail (iv) Apes and monkey (v) Hydrostatics and hydrodynamics (vi) Comet and ... (vii) Barrage and dam (viii) Electron and hole (ix) Isobars and isotopes (x) Autopsy and biopsy

Last Answer : Answers: (i) Artery and vein: Arteries: Muscular blood vessels that carry blood away from the heart. All arteries, with the exception of the pulmonary and umbilical arteries, carry oxygenated blood ... to determine cause of death Biopsy: Removal and study of a tissue sample for diagnostic purposes

Description : Differentiate between any five of the following: a) Thermoplastics and thermosetting plastics b) Lunar eclipse and solar eclipse c) Asteroid and meteorite d) Renewable and non-renewable energy resources e) Endothermic and exothermic reactions f) Star and planet g) Nuclear fission and nuclear fusion

Last Answer : a) Thermoplastics and thermosetting plastics: Thermoplastics: Thermoplastics can be repeatedly softened by heating and hardened by cooling.Thermoplastic molecules, which are linear or slightly branched, do ... or explode in midair. Remains of meteoroids that reach the surface are called meteorites.

Description : What are Endocrine Glands? Name any two. From which part of the body are the following secreted: a) Insulin b) Thyroxin c) Adrenaline d) Oestrogen e) Testosterone f) Cortisol

Last Answer : These are those glands which pour their secretions directly into the blood stream . Their secretions are called as Hormones which are the chemical substances produced by the cells of one part and transported ... and many other functions of body and mind. E.g. Pituitary Gland, Thyroid Gland etc.

Description : Define any five of the following terms. a) Biogas b) Geothermal energy c) Vaccine d) Antibiotic e) Ceramics f) Light year

Last Answer : a) Biogas: Biogas is the result of the controlled microbial breakdown of organic materials such as animal manures or food scraps in an anaerobic digester.Biogas is a mixture of about 60-70% methane (natural ... 10 trillion km. More precisely, one light-year is equal to 9,500,000,000,000 kilometers.

Description : Differentiate between the following. a) Hypoglycemia and hyperglycemia b) Epidemic and endemic c) Herbivores and carnivores d) Photosynthesis and respiration e) Pollination and fertilization

Last Answer : a) Hypoglycemia and Hyperglycemia: Hypoglycemia:the medical condition of having an unusually low level of sugar in the blood Hyperglycemia: the medical condition of having an unusually high level of sugar in ... reproduce sexually-that is, when a male and a female are needed to produce an offspring.

Description : a) Doping b) Immunization c) Pasteurization d) Modulation e) Catabolism f) Reprocessing of reactor fuel

Last Answer : a) Doping: is adding impurities to semiconductor materials in order to change their electrical characteristics. b) Immunization: Also called vaccination or inoculation, a method of stimulating resistance in ... recovered plutonium-239 may be used in place of some uranium-235 in new fuel elements.

Description : Name the sources of any five of the following biological products. a) Musk b) Codeine c) Cocaine d) Quinine e) Colchicines f) Digilain

Last Answer : Answer: a) Abdominal gland of male musk deer b) From opium c) Cocaine d) Bark of cinchona e) From colchicum f) Leaves from the purple foxglove; a plant

Description : Where are the following animals found? Answer any five. a) Kangaroo b) Kiwi c) Llama d) Ibex e) Panda f) Snow Leopard g) Penguin

Last Answer : Answer: a) Australia b) New Zealand c) South America d) Himalaya, Abyssinia e) North India f) Central Asian Mountains g) Cooler waters and along the coastlines in Southern Hemisphere

Description : Enzyme responsible for the digestion of starch in food of main is Present in (e) Salivary and gastric secretion. (b) Salivary and pancreatic secretion (c) Gastric and pancreatic secretion (d) Gastric and duodenal secretion

Last Answer : (b) Salivary and pancreatic secretion

Description : The transport of proteins out of the cell is termed exocytosis. Which of the following statement(s) is/are true concerning this process? a. Secretory vesicles fuse with the plasma membrane b. ... or a neurotransmitter d. A decrease in cytoplasmic calcium occurs as part of the secretion process

Last Answer : Answer: a, b, c Transport vesicles that bud off the Golgi network carry both material to be secreted from the cell and protein destined to become components of the plasma ... but may also involve generation of diacylglycerol or production of cyclic AMP which activate kinases or phosphatases

Description : Which hormone is responsible for the secretion of milk in mothers? -Do You Know?

Last Answer : answer:

Description : Which hormone stimulates the secretion of milk during sucking of milk by baby Or Which hormone is responsible for milk ejection after an birth of the

Last Answer : Which hormone stimulates the secretion of milk during sucking of milk by baby Or Which hormone is responsible ... . ACTH B. LH C. ICSH D. Prolactin

Description : Which of the following factors is responsible for the formation of concentrated urine? (a) Hydrostatic pressure during glomerular filtration. (b) Low levels of antidiuretic hormone. (c) ... the medullary interstitium in the kidneys. (d) Secretion of erythropoietin by Juxtaglomerular complex.

Last Answer : (c) Maintaining hyperosmolarity towards the medullary interstitium in the kidneys.

Description : Which hormone is responsible for the secretion of milk in mothers?

Last Answer : Lactogenic hormone

Description : Why is the water in an open pond cool even on a hot summer day?

Last Answer : Answer: As the water evaporates from the open surface of a pond, heat is taken away in the process, leaving the surface cool.

Description : Why does kerosene float on water?

Last Answer : Answer: Because the density of kerosene is less than that of water. For the same reason cream rises in milk and floats at the top.