A married couple adopted a male child. A few years latertwin boys were born to them. The blood group of the couple is AB positive and O negative. The blood group of the three sons is A positiveB positiveand O positive. The blood group of the adopted son is
1.O positive
2.A positive
3.B positive
4.Cannot be determined on the basis of the given data
As you go down into a wellyour weight
1.increases slightly
2.decreases slightly
3.remains exactly the same
4.None of the above
At presentscientists can determine the arrangement or relative positions of genes of DNA sequences on a chromosome. How does this knowledge benefit us? 1. It is possible to know the pedigree of livestock. 2. It is possible to understand the causes of all human diseases. 3. It is possible to develop disease-resistant animal breeds. Which of the statements given above is/are correct?
1.1 and 2 only
2.2 only
3.1 and 3 only
4.12 and 3
Barbara creates a table of the six essential nutrients. Macronutrients : Micronutrients Carbohydrates : Fats Proteins : Vitamins Water : Minerals Where did Barbara make an error in placement of a nutrient?
1.Fats
2.Vitamins
3.Minerals
4.Water
Calcium absorption is facilitated by the presence of A) B) Vitamin C C) Vitamin A D) Vitamin K
1. Vitamin D
2. Vitamin C
3. Vitamin A
4. Vitamin K
For Galvanizing Iron which of the following Metals is used?
1.Zinc
2.Lead
3.Aluminium
4.Copper
Garampani sanctuary is located at
1.Diphu Assam
2.Gangtok Sikkim
3.Junagarh Gujarat
4.Kohima Nagaland
Genetic alteration probably refers to altering what
1.Genes found on ribosomes
2.Genes found on chromosomes
3.Genes found on cytoplasm
4.All of the above
How many layers of skin does a human have?
1.1
2.2
3.3
4.4
If a tropical rain forest is removedit does not regenerate quickly as compared to a tropical deciduous forest. This is because
1.The soil of rain forest is deficient in nutrients
2.Propagules of the trees in a rain forest have poor viability
3.The rain forest species are slow growing
4.Exotic species invade the fertile soil of rain forest
In a laser (say neon laser) all the atoms emit the light waves of
1.Same frequency
2.Same amplitude
3.Same phase
4.All the above
In fireworksthe green flame is produced because of
1.Sodium
2.Potassium
3.Barium
4.Mercury
Iodine test is used to detect
1.Carbohydrate
2.Fat
3.Protein
4.Cholesterol
Lichens are the best indicator of
1.Air pollution
2.Sound pollution
3.Noise pollution
4.Water pollution
Plants synthesis protein from
1.amino acids
2.starch
3.fatty acids
4.sugar
Pollination by wind is called
1.Hydrophily
2.Entomophily
3.Anemophily
4.Zoophily
Potassium Permanganate is used for purifying drinking waterbecause
1.it is a sterilising agent
2.it dissolves the impurities of water
3.it is a reducing agent
4.it is an oxidising agent
Suppose if we measure the time lapse between the two Sunsets by sitting in the beach from this we can estimate
1.The distance between the sun and earth
2.The depth of the ocean
3.The radius of the earth
4.The radius of the sun
The blue colour of the clear sky is due to
1.Diffraction of light
2.Dispersion of light
3.Reflection of light
4.Refraction of light
The concept of carbon credit originated from
1.G-8 SummitHciligendamm
2.Earth SummitRio de Janeiro
3.Montreal Protocol
4.Kyoto Protocol
The filament of an electric bulb is made of
1.tungsten
2.nichrome
3.graphite
4.iron
The first synthetic fibre made by man was ____ ?
1.Rayon
2.Terycott
3.Polyester
4.Nylon
The gases used in different types of welding would include
1.oxygen and hydrogen
2.oxygen and acetylene
3.oxygenacetylene and argon
4.oxygenhydrogenacetylene and nitrogen
The intensity of Earthquakes is measured on
1.Richter scale
2.Secant scale
3. Mercalli scale
4.Beaufort scale
The layer of air around the earth is known as
1.Troposphere
2.Ionosphere
3.Atmosphere
4.Ozone layer
The longest period of prenatal development is the
1.Germinal period
2.Fetal period
3.Embryonic period
4.None
The man who is specialist in wine making is called as ?
1.Wenologist
2.Grapologist
3.Oenologist
4.None
The Mudumalai National Park is located in which state ?
1.Chattisgarh
2.Haryana
3.Tamil Nadu
4.Karnataka
The Ozone Layer restricts from
1.Infrared Rays
2.Radio waves
3.Ultraviolet Radiation
4.X-Rays and Gamma Rays
The radioactive element most commonly detected in humans is
1.potassium-40
2.cobalt-60
3.iodine-131
4.plutonium-238
The term biodiversity refers to
1.Range of genetic variation within a population
2.Total number of different species within a habitat
3.Both A & B
4.None of the above
The theory which advocates that living beings can arise only from other living beings is termed
1.Bio-genesis
2.Abiogenesis
3.Catastrophism
4.Cosmozoic
The uranium fuel used worldwide is mainly in the form of
1.U3O8
2.UO2
3.UF6
4.U metal
The weight of an object will be minimum when it is placed at ?
1.The North Pole
2.The South Pole
3.The Equator
4.The center of the Earth
What about Earth allows it to maintain bodies of water?
1.mountains
2.tides
3.moderate tempatures
4.comet crashes
What color does yellow and green make?
1.Lime
2.Ocean mist
3.Maroon
4.Tangerine
What does airbagused for safety of car drivercontain?
1.Sodium bicarbonate
2.Sodium azide
3.Sodium nitrite
4.Sodium peroxide
What happens when some charge is placed on a soap bubble?
1.Its radius decreases
2.Its radius increases
3.The bubble Collapses
4.The bubble expands
What is the scientific name for washing soda?
1.Sodium carbonate
2.Sodium bicarbonate
3.Calcium carbonate
4.Calcium bicarbonate
When a gas is turned into a liquidthe process is called
1.condensation
2.evaporation
3.deposition
4.sublimation
Which of the following foods does not support bacterial growth?
1.Raw carrots
2.Sauted onions
3.Refried beans
4.Cooked rice
Which of the following has got more heat capacity?
1.Iron piece
2.Water
3.Gold piece
4.Benzene
Which of the following is a function of the geosphere?
1.providing a moderatelivable climate
2. serving as the interface between the other spheres
3. facilitating the movement of water through spheres through transpiration
4.facilitating the process of photosynthesis
Which of the following is likely during vigorous exercise?
1.Blood flow to the kidneys increases.
2.capillaries of the active muscles will be engorged with blood.
3.The skin will be cold and clammy.
4.Blood will be diverted to the digestive organs.
Which of the following is used in pencils?
1.Silicon
2.Phosphorous
3.Graphite
4.Charcoal
Which of the following parts of the sun is easily visible only during a total solar eclipse?
1.core
2.photosphere
3.sunspots
4.corona
Which of the following plants is not capable of manufacturing own food?
1.Algae
2.Mushroom
3.Carrot
4.Cabbage
Which one of the following types of laser is used in laser printers?
1.Semiconductor laser
2.Dye laser
3.Gas laser
4.Excimer laser
Which one of the following types of waves are used in a night vision apparatus?
1.Radio waves
2.Microwaves
3.Infra-red waves
4. None of the above
Wireless transmission can be done via
1.Infrared waves
2.Radio waves
3.Microwaves
4.All of the above