Coal is one of the ________ used to cook food.
Coal is one of the fuels used to cook food. Coal is not so often found as a cooking fuel... View Article
Latest Posts
Seeds contain an embryo. (True or False)
True Explanation Seeds have a seed coat which protects them while they grow and develop, usually underground. Inside the seed... View Article
Least polluting fuel for a vehicle is ______________ .
Least polluting fuel for vehicles is Compressed Natural Gas(CNG). CNG is an odourless, colourless and tasteless compound with non-corrosive and... View Article
How can we prevent the loss of topsoil?
Technically, the soil is a mixture that contains minerals, organic matter, and living organisms. But broadly speaking, soil can refer... View Article
Worms causing disease elephantiasis is______.
Filarial worm (Wuchereria bancrofti) Explanation Worms causing the disease elephantiasis is the Filarial worm (Wuchereria bancrofti). Elephantiasis is a condition,... View Article
Lining of kidney tubules is made up of___.
Cuboidal epithelium. The cuboidal epithelium is composed of epithelial cells that are distinctively cuboidal in shape. The cell comprising the... View Article
Cracker on ignition produces sound. Why?
Cracker on ignition produces sound due to the sudden formation of a large amount of gas due to chemical reactions,... View Article
Forests and coal are ________ natural resources.
Forests and coal are exhaustible natural resources. Explanation Non-renewable sources that cannot be readily replenished or replaced by naturally. Therefore,... View Article
How do fossil fuels cause air pollution?
When fossil fuels are burned, they release nitrogen oxides into the atmosphere, which contribute to the formation of smog and... View Article
A fungus ______ can be seen without microscope.
Mushroom Explanation Mushroom is a fungus and can be seen with naked eyes.The part of a fungus that is generally... View Article
Paramecium is a protista because of its ______.
Nucleus Explanation Paramoecium is a genus of unicellular ciliated protozoa. They are characterised by the presence of thousands of cilia... View Article
Lining of small intestine is made up of ___.
Columnar epithelium The columnar epithelium is composed of epithelial cells that are column-shaped. The cell comprising the columnar epithelium is... View Article
Endocrine glands are also called __________ glands.
Ductless Endocrine glands are also known as the ductless glands because of the fact that their secretions are released directly... View Article
The instrument used to observe cells is ________
Microscopes Most cells are so small that they cannot be viewed with the naked eye. Therefore, scientists must use microscopes... View Article
Coal tar is a black, thick ________ with an ________ smell.
Coal tar is a black, thick liquid with an unpleasant smell. It is obtained as a by-product in the process... View Article
Discuss various methods for weed control.
Some important weeding methods are listed below Weeds can be controlled using weedicides: It is a chemical, which is sprayed... View Article
Explain how CO2 is able to control fires.
Oxygen is a supporter of combustion Carbon dioxide being heavier than oxygen forms a blanket around the fire. Thus, cutting... View Article
How do leaves of plants help in excretion?
Plants produce two gaseous waste products i.e. oxygen during photosynthesis and carbon dioxide during respiration. Excretion of gaseous waste in... View Article
Why is transpiration important for plants?
The process of transpiration keeps the cell turgid, cools the surface of the leaves, and helps in the movement of... View Article
Why do fishes die when taken out of water?
Gills are tissues that are like the short threads, generally protein structures called filaments. These filaments have many functions including... View Article
