Skip to content- Declaration of human rights was adopted on 10th December, 1948.
- Olive branch is a sign of peace.
- Cox orange pippen is a biological name of an apple.
- Afghanistan was known as Ariana.
- The first European scientist, who refuted the belief that the earth was the centre of the universe, was Copernicus.
- Prior to independence, Ghana was called ‗Gold Coast‘.
- Tanzania was formed by the unification of two countries, Tanganyika and Zanzibar.
- Drinker‘s apparatus is for measuring the amount of Alcohol in the blood.
- Dewar‘s flask is called as thermos.
- Chief food of mosquito larva is micro organism found in water.
- Chief food of butterfly larva is leaves of plants.
- Clinical thermometer usually measures in Fahrenheit.
- If a green leaf is seen in a red light its color will be black.
- Roots absorb water from soil which is Hygroscopic.
- Legumes increase the fertility of the soil by adding nitrogen to the soil.
- New varieties of organisms can be brought about by hybridization.
- Male child is born if xy chromosomes are united.
- Seeds are developed from Ovule.
- Parthenocarpic fruits are seedless fruits.
- Chlorophyll contains magnesium.
- Oxidation is the process in which electron is lost.
- Light is necessary for photosynthesis because it produce ATP and reducing substance.
- Oxygen liberated from photosynthesis comes from water. • Red light is most suitable for photosynthesis.
- Respiration means food oxidation and evolution of energy.
- Chemical preservation of dead organisms in liquid is called Cryo-Bilogy.
- Trypanosome a parasite causing sleeping sickness.
- Half-time is a time of radioactive substance taken by that substance to decompose radioactivity to half of its weight.
- In Nuclear DNA is concentrated in chromatin.
- Cellulose respiration is done by Mitochondrion.
- Light energy is stored in the form of chemical energy due to the activity of Chloroplast.
- Protoplasm is a colloidal solution.
- In cryptograms, the sex organs are primitive and hidden.
- Thallophytia include algae, fungi, and lichens.
- Angiosperm includes the plants which have covered flowers and covered seed.
- Plant cells resembles animal cell because having a cell membrane made up of protoplasm.
- Snake have been evolved from lizard.
- Plants in which seed are outside the fruit are called Gymnosperms.
- 0.200 grams are equal to one carat.
- One million cycles per second is called Megahertz.
- Owl can rotate his head to 180 degrees on either sides.
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