Why does bleeding occur through the nose in high mountainous regions ? (1) The pressure of blood in capillaries is greater than the outside pressure (2) The pressure at high altitudes is greater than that on the plains (3) The blood pressure of a person increases at high altitudes (4) The blood pressure fluctuates and finally decreases drastically

Why does bleeding occur through the nose in high mountainous regions ? (1) The pressure of blood in capillaries is greater than the outside pressure (2) The pressure at high altitudes is greater than that on the plains (3) The blood pressure of a person increases at high altitudes (4) The blood pressure fluctuates and finally decreases drastically
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The blood pressure of a person increases at high altitudes
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Why does bleeding occur through the nose in high mountainous regions? (1) The pressure of blood in capillaries is greater than the outside pressure (2) The pressure at high altitudes is greater than that on the plains (3) The blood pressure of a person increases at high altitudes (4) The blood pressure fluctuates and finally decreases drastically

Description : Why does bleeding occur through the nose in high mountainous regions? (1) The pressure of blood in capillaries is greater than the outside pressure (2) The pressure at high altitudes is ... of a person increases at high altitudes (4) The blood pressure fluctuates and finally decreases drastically

Last Answer : (3) The blood pressure of a person increases at high altitudes Explanation: Nose bleeds can occur at high altitudes. The bleeding may be caused by the change in air pressure associated with the ... of blood from the nostrils. Stress and anxiety raises the blood pressure, complicating the nose bleed.

In high mountain regions bleeding through nose occurs because (a) The pressure of the blood capillaries is higher than the outside pressure (b) The pressure at high altitudes is greater than that in the plains (c) The blood pressure increases at high altitudes (d) The blood pressure decreases at high altitudes

Description : In high mountain regions bleeding through nose occurs because (a) The pressure of the blood capillaries is higher than the outside pressure (b) The pressure at high altitudes is greater than ... c) The blood pressure increases at high altitudes (d) The blood pressure decreases at high altitudes

Last Answer : Ans:(a)

A ball bounces higher at high altitudes than in plains. This is because (a) the pressure on higher altitudes is lower than that in plains (b) Downward pull due to gravity is less at higher altitudes (c) The rarefied air offers less resistance to the ball (d) You become more energetic at hills, so greater the force applied, higher goes the ball.

Description : A ball bounces higher at high altitudes than in plains. This is because (a) the pressure on higher altitudes is lower than that in plains (b) Downward pull due to gravity is less at higher altitudes ... ball (d) You become more energetic at hills, so greater the force applied, higher goes the ball.

Last Answer : Ans:(a)

Assuming all other parameters remain constant, what happens to the pressure of a gas when the volume of the gas is increased? w) increases x) decreases y) fluctuates sinusoidally z) remains the same

Description : Assuming all other parameters remain constant, what happens to the pressure of a gas when the volume of the gas is increased? w) increases x) decreases y) fluctuates sinusoidally z) remains the same

Last Answer : ANSWER: X -- DECREASES

If the temperature of a piece increases suddenly, the relative humidity– (1) increases (2) decreases (3) remains constant (4) fluctuates

Description : If the temperature of a piece increases suddenly, the relative humidity– (1) increases (2) decreases (3) remains constant (4) fluctuates

Last Answer : (2) decreases Explanation: Relative humidity is the ratio of the partial pressure of water vapour in a airwater mixture to the saturated vapour pressure of water at a specific temperature.

If the temperature of a place increases suddenly, the relative humidity – (1) Increases (2) Decreases (3) Remains constant (4) Fluctuates

Description : If the temperature of a place increases suddenly, the relative humidity – (1) Increases (2) Decreases (3) Remains constant (4) Fluctuates

Last Answer : (2) Decreases Explanation: Relative humidity is the ratio of the partial pressure of water vapor in an airwater mixture to the saturated vapor pressure of water at a prescribed ... of the system decreases because the saturated vapor pressure of water increases with increasing temperature.

If a metallic object is heated, its density generally: w) increases x) decreases y) fluctuates randomly z) remains the same

Description : If a metallic object is heated, its density generally: w) increases x) decreases y) fluctuates randomly z) remains the same

Last Answer : ANSWER: X -- DECREASES

If the temperature of a place increases suddenly, the relative humidity (1) Increases (2) Decreases (3) Remains constant (4) Fluctuates

Description : If the temperature of a place increases suddenly, the relative humidity (1) Increases (2) Decreases (3) Remains constant (4) Fluctuates

Last Answer : Decreases

What happens to atmospheric pressure with increase in altitude? (1) It remains constant (2) It decreases (3) It increases (4) It constantly fluctuates

Description : What happens to atmospheric pressure with increase in altitude? (1) It remains constant (2) It decreases (3) It increases (4) It constantly fluctuates

Last Answer : (2) It decreases Explanation: In most circumstances atmospheric pressure is closely approximated by the hydrostatic pressure caused by the mass of air above the measurement point. Low- ... increases, there is less overlying atmospheric mass, so that pressure decreases with increasing elevation.

What happens to atmospheric pressure with increase in altitude ? (1) It remains constant (2) It decreases (3) It increases (4) It constantly fluctuates

Description : What happens to atmospheric pressure with increase in altitude ? (1) It remains constant (2) It decreases (3) It increases (4) It constantly fluctuates

Last Answer :  It decreases

As a pendulum is raised to higher altitudes, its period: w) increases x) decreases y) remains the same z) decreases, then remains the same

Description : As a pendulum is raised to higher altitudes, its period: w) increases x) decreases y) remains the same z) decreases, then remains the same

Last Answer : ANSWER: W -- INCREASES

The boiling point of water decreases at higher altitudes is due to – (1) low temperature (2) low atmospheric pressure (3) high temperature (4) high atmospheric pressure

Description : The boiling point of water decreases at higher altitudes is due to – (1) low temperature (2) low atmospheric pressure (3) high temperature (4) high atmospheric pressure

Last Answer : (2) low atmospheric pressure Explanation: At higher altitudes, the air pressure is decreased, which forces water's boiling point to lower. The air pressure decreases with altitude because of the ... of air. The lowered boiling point of water requires an increase in cooking times or temperature.

The boiling point of water decreases at higher altitudes is due to (1) low temperature (2) low atmospheric pressure (3) high temprature (4) high atmospheric pressure

Description : The boiling point of water decreases at higher altitudes is due to (1) low temperature (2) low atmospheric pressure (3) high temprature (4) high atmospheric pressure

Last Answer : low atmospheric pressure

The quantity of water vapour that the atmosphere can hold (a) is independent of temperature (b) increases with increase of temperature (c) decreases with increase of temperature (d) fluctuates with increase of temperature

Description : The quantity of water vapour that the atmosphere can hold (a) is independent of temperature (b) increases with increase of temperature (c) decreases with increase of temperature (d) fluctuates with increase of temperature

Last Answer : Ans:(b)

Strength of concrete with passage of time (A) Increases (B) Decreases (C) Fluctuates (D) Remains constant

Description : Strength of concrete with passage of time (A) Increases (B) Decreases (C) Fluctuates (D) Remains constant

Last Answer : A

nelastic demand in industrial markets refers to a situation where A)demand for a given product fluctuates very little over time. B)price increases or decreases will not significantly alter demand for a given product. C)demand for a given product fluctuates wildly over time. D)the demand for one product depends heavily on the demand for another product. E)supply for a given product cannot keep up with the demand for it.

Description : nelastic demand in industrial markets refers to a situation where A)demand for a given product fluctuates very little over time. B)price increases or decreases will not significantly alter demand for a ... for another product. E)supply for a given product cannot keep up with the demand for it.

Last Answer : )price increases or decreases will not significantly alter demand for a given product.

Why is density and quality of road relatively better in plains as compared to roads in high altitudes, rainy and forested areas of India? Explain. -Geography

Description : Why is density and quality of road relatively better in plains as compared to roads in high altitudes, rainy and forested areas of India? Explain. -Geography

Last Answer : The density and quality of roads are better in plains compared to high altitudes, rainy and forested areas because: (i) Nature of terrain and the level of economic development are the ... up to construct and develop important roads along the northern and north-eastern boundary in high altitudes.

During the monsoon season rainfall decreases from the Ganga delta to the Punjab plains. It is because: (a) monsoon current moves westward along the Ganga plain and becomes drier (b) western regions are warmer than the eastern region (c) hills do not form barriers for winds (d) the area is far away from the sea

Description : During the monsoon season rainfall decreases from the Ganga delta to the Punjab plains. It is because: (a) monsoon current moves westward along the Ganga plain and becomes drier (b) western regions are warmer than ... (c) hills do not form barriers for winds (d) the area is far away from the sea

Last Answer : Ans: (a)

Absolute humidity in air (A) Decreases at higher altitudes (B) Increases at higher altitudes (C) Remains constant at all altitudes (D) None of these

Description : Absolute humidity in air (A) Decreases at higher altitudes (B) Increases at higher altitudes (C) Remains constant at all altitudes (D) None of these

Last Answer : Answer: Option A

Which two of the following changes (i –iv) usually tend to occur in the plain dwellers when they move to high altitudes (3,500 m or more)? (i) Increase in red blood cell size (ii) Increase in red blood cell production (iii)Increased breathing rate (iv) Increase in thrombocyte count Changes occurring are (a) (ii) and (iii) (b) (iii) and (iv) (c) (i) and (iv) (d) (i) and (ii).

Description : Which two of the following changes (i -iv) usually tend to occur in the plain dwellers when they move to high altitudes (3,500 m or more)? (i) Increase in red blood cell size (ii) Increase in red blood cell production (iii) ... and (iii) (b) (iii) and (iv) (c) (i) and (iv) (d) (i) and (ii).

Last Answer : (a) (ii) and (iii)

Can air pressure decreases drastically?

Description : Can air pressure decreases drastically?

Last Answer : When a Hurricane, Tornado or Thunderstorm, approaches, thebarometric pressure falls but I would not ascribe the adjective"drastic" to this.

Can air pressure decreases drastically?

Description : Can air pressure decreases drastically?

Last Answer : When a Hurricane, Tornado or Thunderstorm, approaches, thebarometric pressure falls but I would not ascribe the adjective"drastic" to this.

Why the temperature in mountainous regions is much lower than those in the lowlands?

Description : Why the temperature in mountainous regions is much lower than those in the lowlands?

Last Answer : The higher the altitude, the less dense is the air, and also the colder is the temperature. People climbing Mount Everest have to wear clothing that keeps them well insulated from the intense ... altitude sickness, that can affect certain climbers enough to force them to return to lower altitudes.

Can camels be used for riding in mountainous regions?

Description : Can camels be used for riding in mountainous regions?

Last Answer : A: While camels are well-adapted for desert environments, they are not typically used for riding in mountainous regions. Their anatomy and adaptations make them more suitable for flat terrains and sandy deserts.

How people used to conserve or harvest water in hills and mountainous regions ? -SST 10th

Description : How people used to conserve or harvest water in hills and mountainous regions ? -SST 10th

Last Answer : By building diversion channels like the ‘guts’ or ‘kuls’.

How people used to conserve or harvest water in hills and mountainous regions ? -SST 10th

Description : How people used to conserve or harvest water in hills and mountainous regions ? -SST 10th

Last Answer : By building inundation channels to irrigate their fields.

The polar regions are sparsely populated because of - (1) lack of minerals (2) unsuitable climatic conditions (3) infertile land (4) mountainous topography

Description : The polar regions are sparsely populated because of - (1) lack of minerals (2) unsuitable climatic conditions (3) infertile land (4) mountainous topography

Last Answer : (2) unsuitable climatic conditions Explanation: The population density is low in polar regions because the climate is too cold and harsh for people to survive there. The polar regions such as the ... or no vegetation to support the resident population. Most of the polar regions are cold deserts.

The polar regions are sparsely populated because of (1) lack of minerals (2) unsuitable climatic conditions (3) infertile land (4) mountainous topography

Description : The polar regions are sparsely populated because of (1) lack of minerals (2) unsuitable climatic conditions (3) infertile land (4) mountainous topography

Last Answer : unsuitable climatic conditions

Why is it difficult to breathe at higher altitudes? (1) Due to low air pressure (2) Due to low temperature (3) Due to ozone (4) Due to high humidity

Description : Why is it difficult to breathe at higher altitudes? (1) Due to low air pressure (2) Due to low temperature (3) Due to ozone (4) Due to high humidity

Last Answer : (1) Due to low air pressure Explanation: Low air pressure is usually the most significant limiting factor in high mountain regions. The percentage of oxygen in the air at 3.2 km is ... high altitudes, the lower air pressure makes it more difficult for oxygen to enter our vascular systems.

Why is it difficult to breathe at higher altitudes? (1) Due to low air pressure (2) Due to low temperature (3) Due to ozone (4) Due to high humidity

Description : Why is it difficult to breathe at higher altitudes? (1) Due to low air pressure (2) Due to low temperature (3) Due to ozone (4) Due to high humidity

Last Answer : Due to low air pressure

Can high blood pressure/heart condition be drastically affected by weather?

Description : Can high blood pressure/heart condition be drastically affected by weather?

Last Answer : Cold weather may increase blood pressure

Basophilic prokaryotes (a) grow and multiply in very deep marine sediments (b) occur in water containing high concentrations of barium hydroxide (c) readily grow and divide in sea water enriched in any soluble salt of barium (d) grow slowly in highly alkaline frozen lakes at high altitudes.

Description : Basophilic prokaryotes (a) grow and multiply in very deep marine sediments (b) occur in water containing high concentrations of barium hydroxide (c) readily grow and divide in sea water enriched in any soluble salt of barium (d) grow slowly in highly alkaline frozen lakes at high altitudes.

Last Answer : (a) grow and multiply in very deep marine sediments

Basophilic prokaryotes (a) grow and multiply in very deep marine sediments (b) occur in water containing high concentrations of barium hydroxide (c) readily grow and divide in sea water enriched in any soluble salt of barium (d) grow slowly in highly alkaline frozen lakes at high altitudes.

Description : Basophilic prokaryotes (a) grow and multiply in very deep marine sediments (b) occur in water containing high concentrations of barium hydroxide (c) readily grow and divide in sea water enriched in any soluble salt of barium (d) grow slowly in highly alkaline frozen lakes at high altitudes.

Last Answer : (a) grow and multiply in very deep marine sediments

Bleeding through the nose , what should I do ?

Description : Bleeding through the nose , what should I do ?

Last Answer : Seek medical advice without delay.

The use of air-entraining agents in concretes (a) Increases workability of concrete (b) Decreases bleeding (c) Decreases strength (d) All of these

Description : The use of air-entraining agents in concretes (a) Increases workability of concrete (b) Decreases bleeding (c) Decreases strength (d) All of these

Last Answer : (d) All of these

If cross slope of a country is greater than 60%, the terrain is classified as(A) Rolling (B) Mountainous (C) Steep (D) Plain

Description : If cross slope of a country is greater than 60%, the terrain is classified as (A) Rolling (B) Mountainous (C) Steep (D) Plain

Last Answer : Answer: Option C

High blood pressure is maintained in glomeruli than in other capillaries because

Description : High blood pressure is maintained in glomeruli than in other capillaries because

Last Answer : High blood pressure is maintained in glomeruli than in other capillaries because A. The variability ... diameter than glomerulus D. All the above

What could happen if a person's blood pressure is higher than atmospheric pressure at higher altitudes ?

Description : What could happen if a person's blood pressure is higher than atmospheric pressure at higher altitudes ?

Last Answer : If the blood pressure of a person is higher than the atmospheric pressure at higher altitudes, blood may flow through the nose.

What do you think about the findings that rare and medium-rare beef drastically increases the risk of colorectal cancer?

Description : What do you think about the findings that rare and medium-rare beef drastically increases the risk of colorectal cancer?

Last Answer : answer:You can get statistics to prove anything. This is no more and no less accurate than a thousand earlier studies. I won’t change my eating habits because of it.

Select the correct events that occur during inspiration. (1) Contraction of diaphragm (2) Contraction of external inter-costal muscles (3) Pulmonary volume decreases (4) Intra pulmonary pressure increases (a) (1) and (2) (b) (3) and (4)

Description : Select the correct events that occur during inspiration. (1) Contraction of diaphragm (2) Contraction of external inter-costal muscles (3) Pulmonary volume decreases (4) Intra pulmonary pressure increases (a) (1) and (2) (b) (3) and (4)

Last Answer : (1) Contraction of diaphragm

The altitudes of heavenly bodies appear to be greater than they actually are -General Knowledge

Description : The altitudes of heavenly bodies appear to be greater than they actually are -General Knowledge

Last Answer : The answer is 'Nimbus'

The altitudes of heavenly bodies appear to be greater than they actually are. Why is this? -General Knowledge

Description : The altitudes of heavenly bodies appear to be greater than they actually are. Why is this? -General Knowledge

Last Answer : answer:

The altitudes of heavenly bodies appear to be greater than they actually are. Why is this?

Description : The altitudes of heavenly bodies appear to be greater than they actually are. Why is this?

Last Answer : Atmospheric refraction

A hydrogen balloon floats because of – (1) Air pressure decreases with decrease in height (2) Air pressure decreases with decrease in weight (3) Weight of the balloon is less than the weight of air displaced by it (4) The pressure inside the balloon is more than the pressure outside it

Description : A hydrogen balloon floats because of – (1) Air pressure decreases with decrease in height (2) Air pressure decreases with decrease in weight (3) Weight of the balloon is less than the weight of air displaced by it (4) The pressure inside the balloon is more than the pressure outside it

Last Answer : (3) Weight of the balloon is less than the weight of air displaced by it Explanation: A hydrogen atom is very light. Most of the air on earth is made up of nitrogen, oxygen, and carbon dioxide. ... grams per liter. Nitrogen, which makes up 80% of the air we breathe, weighs 1.2506 grams per liter.

A hydrogen balloon floats up because of (1) air pressure decreases with decrease in height (2) air pressure decreases with decrease in weight (3) weight of the balloon is less than the weight of air displaced by it. (4) the pressure inside the balloon is more than the pressure outside it

Description : A hydrogen balloon floats up because of (1) air pressure decreases with decrease in height (2) air pressure decreases with decrease in weight (3) weight of the balloon is less than the weight of air displaced by it. (4) the pressure inside the balloon is more than the pressure outside it

Last Answer : weight of the balloon is less than the weight of air displaced by it.

Can air pressure falls drastically at high altitude?

Description : Can air pressure falls drastically at high altitude?

Last Answer : Air pressure falls of as one gains altitude. At high altitudethe air pressure is very low but it does not "falls drastically",which implies a sudden change.

Can air pressure falls drastically at high altitude?

Description : Can air pressure falls drastically at high altitude?

Last Answer : Air pressure falls of as one gains altitude. At high altitudethe air pressure is very low but it does not "falls drastically",which implies a sudden change.

Extensive deserts occur in the western tropical regions of continents because : (1) of easterly trade winds. (2) cold ocean currents flow along the western coasts. (3) of the effect of both the off-shore easterly trade winds and cold ocean currents. (4) the rate of evaporation is greater along the western margin areas.

Description : Extensive deserts occur in the western tropical regions of continents because : (1) of easterly trade winds. (2) cold ocean currents flow along the western coasts. (3) of the effect of both the ... winds and cold ocean currents. (4) the rate of evaporation is greater along the western margin areas.

Last Answer : (3) of the effect of both the off-shore easterly trade winds and cold ocean currents. Explanation: Extensive deserts occur in the western tropical regions of continents because of the effect of ... is found near the tropics of Cancer and Capricorn, usually toward the western side of the continents

Extensive deserts occur in the western tropical regions of continents because : (1) of easterly trade winds. (2) cold ocean currents flow along the western coasts. (3) of the effect of both the offshore easterly trade winds and cold ocean currents. (4) the rate of evaporation is greater along the western margin areas.

Description : Extensive deserts occur in the western tropical regions of continents because : (1) of easterly trade winds. (2) cold ocean currents flow along the western coasts. (3) of the effect of both the ... winds and cold ocean currents. (4) the rate of evaporation is greater along the western margin areas.

Last Answer :  of the effect of both the offshore easterly trade winds and cold ocean currents. 

The northern plains of India are one of the most densely populated regions of the world. Why? -SST 10th

Description : The northern plains of India are one of the most densely populated regions of the world. Why? -SST 10th

Last Answer : They are the most densely populated regions because they are very level and flat and made up of fertile alluvial soil.