Animal like camel can easily walk in the desert sand while other animals like
donkeys, dogs and horses cannot. Explain.

1 Answer

Answer :

Ans: The camel has very broad and large feet. As a result of the large surface area in contact with the ground, it exerts less pressure on the sand and sinks only slightly in it. Other animals have smaller feet which exert more pressure on the sand. As a result, they sink more in the sand and cannot walk easily in desert.

Related questions

Description : How does the camel walk in the desert easily?

Last Answer : The camel is dubbed the `ship of the desert'. It can adapt itself easily to the hot conditions due to various reasons. Its special adaptation features are its hump, long legs, long hair and special eyelids ... can see through it. So a camel can find its way through a sandstorm with its eyes closed.

Description : Why are horses and donkeys considered different species even tho they can produce offices?

Last Answer : Feel Free to Answer

Description : According to the biological species concept, horses and donkeys are not considered in the same species because A) they never mate. B) they do not produce fertile offspring. C) they look different. D) they do not share a relatively recent common ancestor.

Last Answer : B) they do not produce fertile offspring.

Description : The dogs pant, the birds open their mouth and the elephants move rapidly their ears.

Last Answer : Ans: All of them do not sweat; they use the above mentioned mechanisms to cool themselves.

Description : Do animals also have blood groups like humans?

Last Answer : In man blood group is applied to single factor. This factor is agglutinogen and is also called antigen. It is found on the surface of red blood corpuscles. Accordingly a person with `A ... set off strong transfusion reactions. Such reaction can occur on the second or on subsequent blood transfusion.

Description : Why aquatic animals have soft skeleton unlike those of the terrestrial animals?

Last Answer : Ans: The density of animals and fish living in water is almost the same as the density of water. Therefore, their weight is almost completely balanced by buoyancy. That is why they do not need massive skeleton like those of terrestrial animals.

Description : Why are marine animals able to live at great depths than marine plants?

Last Answer : Ans: As marine animals do not depend upon sunlight for their survival, they are able to live at great depths where there is permanent darkness.

Description : Why is platypus considered a strange animal?

Last Answer : Ans: Platypus is a strange animal because it is an animal-bird that survives under water, walks on the ground and digs tunnel under the ground. It is a four-legged animal that lays eggs like a bird. It is found in Australia.

Description : Camel is a desert animal, that can live without water for many days, because - (1) it does not need water (2) water is formed in the body due to oxidation of fat (3) it has the water sac in the walls of the lumen of stomach (4) All of the above

Last Answer : (4) All of the above Explanation: Camels, in ideal conditions, can go 6-7 months without water but as the temperature rises they have to drink water more often. Camels are well known ... store water in them as is commonly believed, though they do serve this purpose through roundabout means.

Description : Name the animal which can do without water in its entire life? A. Desert lizard B. Camel C. Kangaroo rat (Answer) D. Cuttlefish

Last Answer : C. Kangaroo rat (Answer)

Description : Camel is a desert animal, that can live without water for many days, because (1) it does not need water (2) water is formed in the body due to oxidation of fat (3) it has the water sac in the walls of the lumen of stomach (4) All of the above

Last Answer : All of the above

Description : Why does some liquids burn while others do not?

Last Answer : Ans: A liquid burns if its molecules can combine with oxygen of the air with the production of heat. Hence, oil burns but water does not.

Description : Why is it recommended to add salt in water while boiling grams?

Last Answer : Ans: By addition of salt the boiling point of water gets which helps in cooking.

Description : Climbers bend forward while climbing mountain.

Last Answer : Ans: While climbing a mountain, a climber bends his body forward in order to keep the centre of gravity of his body within two thirds portion. According to this principle the Pisa Tower is not falling.

Description : An explorer is riding his camel in the desert. Up ahead he sees what appears to be a pool of water. He can tell if it is a real pool of water or a mirage by putting on his polarized sun ... not be able to discern a difference z) both are polarized so one will not be able to discern a difference 

Last Answer : ANSWER: X -- REFLECTIONS FROM WATER ARE POLARIZED WHILE THE MIRAGE S NOT

Description : “ All donkeys are animals. All monkeys are animals. Therefore all monkeys are donkeys”. The fallacy committed by the above syllogism is A) Ambiguous major B) Ambiguous minor C) Ambiguous middle D) Undistributed middle.  

Last Answer : D) Undistributed middle. 

Description : Flat footed camels can walk easily in sandy deserts because - (1) pressure on the sand is decreased by increasing the area of the surface in contact (2) pressure on the sand is increased by ... in contact (4) pressure on the sand is increased by decreasing the area of the surface in contact

Last Answer : (1) pressure on the sand is decreased by increasing the area of the surface in contact Explanation: Camels have broad, flat, leathery pads with two toes on each foot. When the camel places its foot on ... the animal on loose sand in much the same way that a snowshoe helps a person walk on snow.

Description : Flat footed camels can walk easily in sandy deserts because (1) pressure on the sand is decreased by increasing the area of the surface in contact (2) pressure on the sand is increased by increasing ... in contact (4) pressure on the sand is increased by decreasing the area of the surface in contact

Last Answer : pressure on the sand is decreased by increasing the area of the surface in contact

Description : It is easier to swim in sea water than in river water. Explain.

Last Answer : Ans: The density of sea water is more than that of the river water. Therefore, the weight of sea water displaced by the swimmer is more. Thus, buoyant force of upthrust on the swimmer increases, making it easier to swim in sea water.

Description : Bats have poor eyesight but are able to home their prey with great accuracy. Also, dolphins can avoid fishing nets and can detect fish at night. Explain

Last Answer : Ans: Bats emit high frequency (1, 20,000 Hz) sound waves and listen with their sensitive ears for any echoes. From the time taken to hear the echo and from the nature of sound received. ... and the type of surroundings. This process is known as echolocation. Same process is used by the dolphins.

Description : Sonar scanners are used by doctors. Explain.

Last Answer : Ans: sonar scanners send out ultrasonic waves, which are reflected by body tissue and organs. From the pattern of reflections, a computer can build up an image of the internal structure which is vital for diagnosis.

Description : Every fourth year has 366 days. Explain.

Last Answer : Ans: One revolution of the earth around the sun takes 356 days and 6 hours. But we consider a year as consisting of only 365 days and ignore 6 hours. In four years the difference becomes as much as 24 ... . Hence, to every fourth year we add one day. That year of 366 days is known as leap year.

Description : Ingestion of contaminated meat from which warm-blooded animal can transmit toxoplasmosis A A. Pig, lamb and chicken B. Dogs and cats C. Camel and horse D. Cattle

Last Answer : Pig, lamb and chicken

Description : In the outer space astronauts talk to each other through radios. Why?

Last Answer : Ans: sound waves need a material medium for its propagation. There is no air in space and hence, sound waves cannot travel. However, radio waves can travel through space. The astronauts can see each other because light, like radio waves, can travel through vacuum.

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

Last Answer : Ans: The climbers are mostly parasites and they cannot manufacture their food. Therefore, they climb on other trees and get food from them.

Description : Like ordinary paints do metallic paints also fade?

Last Answer : Metallic paints do fade. It depends on the quality and the type of the aluminium paste used. Usually in most of the metallic paints, the commonly used pigment is aluminium pigment in the form of ... a short period of coating, whereas cars coated with metallic paints shine even after a long time.

Description : What is the powder like material found on the wings of butterflies? What is its use?

Last Answer : Butterflies and moths belong to the taxonomic order,Lepidoptera. In Greek, Lepido means scales and Ptera means wings. In other words, Lepidoptera means scaly wings. As the order name implies ... butterflies have scented scales on their forewings, which release the pheromones to attract their mates.

Description : Why do trees of coniferous forests possess needle-like leaves?

Last Answer : Ans: The needle-like leaves limit transpiration and thus enable conifers to grow in the drier areas.

Description : What causes milk to rise up when we boil it?

Last Answer : Milk contains 87 per cent water, 4 per cent proteins and 5 per cent lactose (milk sugar). When we boil milk, the fat, sugar, proteins and minerals get separated. Since they are lighter than ... vapour pressure raises the creamy layer. So the milk pushes the creamy layer out and milk spills out.

Description : How does a compact fluorescent lamp consume less electricity than conventional fluorescent lamps and bulbs?

Last Answer : Fluorescent lamps are based on the phenomenon of gas discharge between two electrodes at the ends of a glass tube. Generally these tubes contain a little mercury in the low-pressure vapour phase. When ... poor efficiency. The three types of lamps may have a typical efficiency ratio of 8:6:3.

Description : Why does an egg (with the shell) burst when cooked in a microwave oven?

Last Answer : Microwave radiation is generated in an electronic tube called a magnetron, and passes along what's called a wave-guide into the oven cavity. The microwaves are absorbed by foods - a characteristic that ... encourages even cooking and (if we forget to prick the yolk) helps to confine the explosion.

Description : Why is fuel used in airplanes different from those used in motor vehicles?

Last Answer : Aviation turbine fuels are used for powering jet and turbo-prop engine aircraft. Kerosene was used to fuel the first turbine engines. Kerosene-type fuel was chosen as having the best ... is only significant demand in very cold climates where its better cold weather performance is important.

Description : How does a rechargeable battery work? What is the life of such batteries and how are they different from ordinary batteries?

Last Answer : Electrochemical cells and batteries are identified generally as primary and secondary batteries. The primary batteries cannot be easily or effectively re-charged electrically and hence are discharged (used ... cycles (one cycle represents one discharge and charge) depending on its design parameters.

Description : What is the peculiar smell of the earth after the first shower?

Last Answer : ANSWER I: The characteristic earthy odour of soil is caused by the production of a series of streptomycete metabolites called geosmins. These substances are sesquiterpenoid compounds and unsaturated compound ... ) is the microbial product found in the spores is responsible for the pleasant smell.

Description : How is a ventriloquist able to throw his voice?

Last Answer : ANSWER I : Ventriloquism is the art of projecting or `throwing,' the voice so that is appears to come from a different source. The performer also directs the attention of the audience to the place from where ... of light that hits it, while the ear isn't so sensitive to the direction of a noise.

Description : Does frequent switching on/off of a fluorescent lamp reduce its life?

Last Answer : The life of a fluorescent lamp is essentially determined by life of the cathode filament it uses. A conventional fluorescent lamp employs closely wound coil of tungsten wire as filament. Upon switching on ... of continuous burning can be halved or made still less, just by frequent switching on/off.

Description : How do touch screens work?

Last Answer : Touch screen monitors - where you can use your finger on the computer screen to navigate through the contents - have become more and more commonplace over the past decade, particularly at public information ... allowing a touch with almost any object - except hard and small objects like a pen tip.

Description : How does the solar wind affect Earth?

Last Answer : Solar wind contains intense clouds of high energy particles which are produced by solar storms. These clouds of particles affect Earth. These clouds are called coronal mass ejections. They reach the earth ... by the solar wind, especially the storm clouds that the Sun launches our way very often.

Description : Why is the @ symbol used in an email address?

Last Answer : ANSWER I: The e-mail address generally has two parts, user id and the domain name. The @ (at) symbol is used to separate the user id from the domain name in the e-mail address. The e- ... reached on the Internet by giving the email address (also called the User's Uniform Resource Locator (URL)).

Description : What is Polaroid sunglasses made of?

Last Answer : ANSWER I: Polaroids are thin and large sheets of crystalline polarising material (made artificially) capable of producing plane polarised beams of large cross section. As early as 1852, it was ... to return to their original shape, resulting in the loss of their light absorbing properties.

Description : Why does rain come in drops and not in a continuous stream?

Last Answer : When warm wet air rises, it cools and water vapour condenses to form clouds. A cloud is made of small drops of water or ice crystals, depending on its height and how cold its surrounding air is. ... Giant droplets fall rapidly. Thus drops keep on falling side by side and not in a continuous stream.

Description : Why is the Earth's core hot? What caused it to heat up? Is it still heating, or now cooling?

Last Answer : Scientists estimate that temperature at the Earth's core is about 5538{+0}C. Much of the heat inside the Earth today comes from elements that were present when the planet was first formed billions of years ... function of their half-life. Therefore, Earth's core is not heating up, it's cooling down.

Description : How is carbon dioxide removed from blood before it is exhaled?

Last Answer : In humans, carbon dioxide is generated in the tissues during oxidation of glucose, in order to liberate energy, which is resumed to perform body functions. Before exhalation through lungs the gas is transported ... than the tissue capillaries. Nearly 23 per cent of CO{-2} is transported this way.

Description : How do certain species of birds such as Humming Birds, Terns, Gulls and Kestrels remain in the air without a forward motion?

Last Answer : ANSWER I: The humming bird's wings consist mainly of elongated hand bones to which the flight feathers are attached, and the whole wing can rotate as does the wrist. The short arm bones not ... only birds which can fly forwards, backwards, up, down, sideways or move instantaneously in any direction.

Description : How does ballast-less track provide safe travel?

Last Answer : ANSWER I: Ballast is a prime component of the track that acts as a vibrant medium to transmit from the rail surface the weight of the train down to the formation, the wells set on ... cost involved in laying a ballast-less track is more initially but it requires less recurring maintenance cost.

Description : What is Computer Simulation Technique?

Last Answer : ANSWER I: `Simulation' in general terms can be defined as the representation or imitation of a system in its realistic form. When a computer program is used to create a model to mimic a ... frame, combustion, and weather and ocean circulation are some of the examples that need huge computer power.

Description : Why does sea water not erode coastal areas in all places?

Last Answer : The main cause of coastal erosion is the kinetic energy of wind. The main medium of transmission of wind energy is through wind generated water waves. Occasionally waves are also generated by other ... littoral drift (as in Chennai Marina), stopped by the harbour structures jutting into the sea.

Description : How does scratching cure itching sensation?

Last Answer : Very sensitive, rapidly adapting, mechanoreceptive free nerve endings that elicit only the tickle and itch sensation are found almost exclusively in the superficial layers of the skin. This sensation ... The anterolateral system is a cruder type of transmission system than the dorsal column system.

Description : In the past, why was injection administered in the stomach for dog bite?

Last Answer : ANSWER I: This is the only disease where the vaccine is given after the exposure (post- exposure). Nervous tissue vaccine (NTV), is one of the vaccines administered for dog bite. This vaccine is ... it does not require a subcutaneous layer. Hence, it can be given in the buttocks or arm region.

Description : What is the pH of rainwater? Is the pH suitable for drinking?

Last Answer : The technical definition of pH is that it is a measure of the activity of the hydrogen ion (H+). It is essentially a measure of acidity. The pH scale ranges from 0 -14. In the ... of rainwater tends to fall drastically, rainfall is highly acidic and the water thereby becomes unfit for consumption.