Correct Answer : A
Explanation :
Explanation :
A
Correct Answered :
Wrong Answered :
A
Rickets
B
Night Blindness
C
Scurvy
D
Beri-Beri
A
Correct Answered :
Wrong Answered :
A
Absorption of light energy by chlorophyll
B
Reduction of carbon dioxide to Carbohydrates
C
splitting of water molecules in hydrogen and oxygen
D
Conversion of light energy to chemical energy
A
Correct Answered :
Wrong Answered :
A
Leech
B
Aspergillus
C
Paramecium
D
None of these
A
Correct Answered :
Wrong Answered :
A
Radium
B
Cobalt
C
Iodine
D
Uranium
B
Correct Answered :
Wrong Answered :
A
Converting it into fossil fuel
B
Burning it in limited supply of oxygen
C
Converting it into bio gas
D
Converting it into ash
B
Correct Answered :
Wrong Answered :
A
Ozone is a deadly poison
B
Ozone is not harmful
C
Ozone is essential for all aerobic forms of life
D
Ozone is essential for the metabolic activities of plants
A
Correct Answered :
Wrong Answered :
A
d=5.0+3.0
B
d=5.0-3.0
C
d=5.0+3.0-1.0
D
d=5.0-3.0-1.0
B
Correct Answered :
Wrong Answered :
A
Transpiration
B
Digestion
C
Respiration
D
Photosynthesis
D
Correct Answered :
Wrong Answered :
A
Fluids and solids have bulk modulus
B
Fluids have shear modulus and solids have bulk modulus
C
They both possess shear modulus
D
Fluids have bulk modulus and solids have shear modulus
A
Correct Answered :
Wrong Answered :
A
the increase in the concentration of toxin as we move to the top of food web
B
the micro and macro organisms that live in an ecosystem
C
The number of levels in the food web
D
the system of consumption of various foods
A
Correct Answered :
Wrong Answered :
A
Thermal power
B
Solar constant
C
Voltaic coefficient
D
Energy coefficient
B
Correct Answered :
Wrong Answered :
A
Any two arbitrary vectors can be multiplied
B
Any arbitrary vector can be multiplied by an arbitrary scalar
C
Any two arbitrary vectors can be added if they have the same units
D
None of these
C
Correct Answered :
Wrong Answered :
A
About 12% of all the food consumed by it gets converted to its body mass and is made available for the next level of consumers
B
About 2% of all the food consumed by it gets converted to its body mass and is made available for the next level of consumers
C
About 10% of all the food consumed by it gets converted to its body mass and is made available for the next level of consumers
D
About 22% of all the food consumed by it gets converted to its body mass and is made available for the next level of consumers
C
Correct Answered :
Wrong Answered :
A
The current induced in the coil is highest when the coil is moved parallel to the magnetic field.
B
The current induced in the coil is highest when the coil is moved at an angle of 45 degrees to the magnetic field to the magnetic field.
C
The current induced in the coil is highest when the coil is moved perpendicular to the magnetic field.
D
The current induced in the coil is lowest when the coil is moved perpendicular to the magnetic field
The current induced in the coil is highest when the coil is moved perpendicular to the magnetic field.
Correct Answered :
Wrong Answered :
A
Atmosphere
B
Clouds
C
Rain
D
Acid Rain
A
Correct Answered :
Wrong Answered :
A
Glucagon
B
Insulin
C
Adrenaline
D
Cortisol
Insulin, together with its principal counter-regulatory hormone glucagon, regulates blood glucose concentrations. Pancreatic β cells secrete 0.25–1.5 units of insulin per hour during the fasting (or basal) state, sufficient to enable glucose insulin-dependent entry into cells.
Correct Answered :
Wrong Answered :
A
Cure diseases
B
Prevent diseasea and enhance health
C
Develop new medications
D
Provide emergency care
Health promotion reduces premature deaths. By focusing on prevention, health promotion reduces the costs (both financial and human) that individuals, employers, families, insurance companies, medical facilities, communities, the state and the nation would spend on medical treatment.
Correct Answered :
Wrong Answered :
A
145o F (63o C)
B
155o F (68o C)
C
165o F (74o C)
D
175o F (79o C)
There are three important temperatures to remember when cooking meat or eggs at home: Eggs and all ground meats must be cooked to 160°F; poultry and fowl to 165°F; and fresh meat steaks, chops and roasts to 145°F. Use a thermometer to check temperatures.
Correct Answered :
Wrong Answered :
A
E. Coli
B
Listeria
C
Salmonella
D
Staphylococcus
Foods involved in outbreaks of salmonellosis include eggs, poultry and other products of animal origin. Foodborne cases with Campylobacter are mainly caused by raw milk, raw or undercooked poultry and drinking water.
Correct Answered :
Wrong Answered :
A
Using the same cutting board for raw meat and vegetables without washing it
B
Storing cooked food in the refrigerator
C
Cooking food to the right temperature
D
Washing hand before handling food
Cross-contamination is the physical movement or transfer of harmful bacteria from one person, object or place to another.
Correct Answered :
Wrong Answered :
A
Headache
B
Fever
C
Muscle pain
D
Nausea and vomiting
Symptoms of food poisoning often include upset stomach, diarrhea and vomiting. Symptoms usually start within hours or several days of eating the food. Most people have mild illness and get better without treatment
Correct Answered :
Wrong Answered :
A
Development of bones and teeth
B
Regulation of pH of body fluids
C
Regulation of muscle contraction
D
None of the above
Function. The main function of phosphorus is in the formation of bones and teeth. It plays an important role in how the body uses carbohydrates and fats. It is also needed for the body to make protein for the growth, maintenance, and repair of cells and tissues.
Correct Answered :
Wrong Answered :
A
Coal
B
Oil
C
Propane
D
Ethanol
Ethanol is used to power vehicles as an alternate source of energy because ethanol in the presence of heat reacts with atmospheric oxygen to release energy and form carbon dioxide and water. This is a chemical reaction.
Correct Answered :
Wrong Answered :
A
Goitre
B
Anaemia
C
Kwashiorkor
D
Chickenpox
Correct Answered :
Wrong Answered :
A
Residual volume
B
Vital capacity
C
Tidal Volume
D
Tidal capacity
Correct Answered :
Wrong Answered :
A
Cancer
B
Night Blindness
C
Goitre
D
Rickets
In adults, mild to moderate iodine deficiency can cause goiter as well as impaired mental function and work productivity secondary to hypothyroidism. Chronic iodine deficiency may be associated with an increased risk of the follicular form of thyroid cancer
Correct Answered :
Wrong Answered :
A
A
B
K
C
C
D
E
Although not fully proven, large doses of vitamin C may help reduce how long a cold lasts. Large doses of vitamin C do not protect against getting a cold. Vitamin C may also be helpful for those exposed to brief periods of severe or extreme physical activity. The likelihood of success may vary from person to person.
Correct Answered :
Wrong Answered :
A
Forest
B
Desert
C
Marine
D
Grassland
The Marine is the most stable ecosystem:
It is stable due to its natural liquid nature (saline), dissolved oxygen, light, and temperature. An environment is considered to be stable when its structure and function remain unchanged for a long period of time. The ocean is the most stable ecosystem among the choices.
Correct Answered :
Wrong Answered :
A
Less than 100 nm
B
Greater than 300 nm
C
Between 100 and 300 nm
D
All wavelengths are equally present
In the lower layers of the atmosphere, the range of light wavelength that is most predominant is between 400 and 700 nm, also referred to as visible light.
Correct Answered :
Wrong Answered :
A
Ionosphere
B
Stratosphere
C
Lithosphere
D
Tatosphere
When chlorine and bromine atoms come into contact with ozone in the stratosphere, they destroy ozone molecules. One chlorine atom can destroy over 100,000 ozone molecules before it is removed from the stratosphere.
Correct Answered :
Wrong Answered :
A
Edward Jenner
B
Robert Koch
C
Louis Peter
D
Von Behring
Edward Jenner coined the term vaccine and vaccination. It is derived from the cow smallpox. Edward Jenner is well known for his contribution to the eradication of smallpox and immunization. In 1790, he created the world`s first vaccine for smallpox.
Correct Answered :
Wrong Answered :