Pumice is a type of volcanic rock, produced when lava with a very high content of water and gases is discharged from volcano. Pumice is a very light rock which is used as body scrubber and to polish floor.

• Almonds are edible tree nuts. They contain lots of healthy fats, fibre, protein, magnesium and vitamin E which is good for the skin.
• The US is the dominant producer of almonds in the world producing 2,002,742 tons annually.

• Saguaros are found exclusively in the Sonoran Desert of Arizona in the United States.
• They are huge and very slow growing cactus. They are large, tree-like columnar cacti that develop branches (or arms) as they age, although some never grow arms.
• A saguaro cactus can live up to 200 years, grow to be 40 to 60 feet tall, and weigh as much as 4,800 pounds if it has taken in a lot of water through its roots when it rains.

• During winters, dark coloured  clothes are worn as they are good absorbers of heat.
• Also woollen garments are suitable for cold climate as wool keeps the body warm and protects it from the cold winds.

• A rainforest is a forest that receives heavy rainfall. The most notable rainforests are in the tropics or subtropics. They have extraordinary biodiversity.
• The biggest rainforest is the Amazon rainforest and is considered to be the lungs of Earth due to the amount of oxygen it supplies.

• Cerbera odollam is an evergreen shrub or tree usually found in Kerala.
• The plant is sometimes gathered from the wild for local use as a medicine and source of fibres and oil.
• The whole plant, but especially the seeds, is very poisonous.

• Geophagia is the practice of eating earth or clay.
• Many animals across genera are known to eat mineral rich soil. These include animals like parrots, deer, elephants, bats, rabbits, baboons, gorillas and chimpanzees.

• Barley is a major cereal grain, commonly found in bread, beverages, and various cuisines of every culture. Barley grown for brewers malt is called malting barley, as opposed to feed barley, and is divided into two general types; 2 Row Barley and 6 Row Barley.
• The most obvious difference between a head of 2-row barley and a head of 6-row barley is the arrangement of the kernels when the head is viewed down its axis.

• Spruces are evergreen coniferous trees that belongs to the family Pinaceae. There are about 35 species of spruce in the world. They are found in the northern temperate and taiga regions of the earth. 
• These needled evergreens typically perform best in a site offering full sun, acidic soil and good drainage but don’t grow well in clay soil.

• Giant Sequoia is the world's largest tree in terms of total volume. They grow to an average height of 50-85 m (150-280 ft) and 5-7 m (16-23 ft) in diameter. Sequoia are found at elevations of 1,400–2,150 meters and can live to be 3,000 years old. 
• Believed to be around 2,500 years old, General Sherman is the mightiest giant sequoia still standing. The volume of its trunk alone makes it the largest non-clonal tree by volume. Sherman can be found in Sequoia National Park in California, where five of the 10 largest trees in the world exist.

• The 'Protect Paradise' campaign is about creating a worldwide movement, bringing together everyone who want forest friendly products and was started in Indonesia. 
• Indonesia has some of the world's most intact and diverse tropical rainforests, many of global significance. These forests provide a sustainable livelihood and cultural identity to the indigenous peoples of the region. 
• Indonesia's forests and peatlands also store enormous quantities of carbon, making them critical to the world's efforts to combat climate change.

There are 21 species of armadillo. Some are very small, while others are giant. They are not social creatures and spend most of their time sleeping. Armadillos are omnivores. Pink fairy armadillo or 'pichiciego' is the tiniest species of armadillo in the world.

Mangroves are salt-tolerant plants of tropical and subtropical intertidal regions of the world. The presence of mangrove ecosystems on coastline save lives and property during natural hazards such as cyclones, storm surges and erosion. They are breeding, feeding and nursery grounds for many estuarine and marine organisms. Hence, these areas are used for captive and culture fisheries. West Bengal has maximum percentage of mangrove cover in India. 2155 km squares area is covered with mangroves in West Bengal.

• Plantation agriculture is a form of commercial farming where crops are grown for profit. Large land areas are needed for this type of agriculture. Countries that have plantation agriculture usually experience high annual temperatures and receive high annual rainfall. 
• Plantation agriculture was introduced by the Europeans in colonies situated in the tropics. Some of the important plantation crops are tea, coffee, cocoa, rubber, cotton, oil palm, sugarcane, bananas and pineapples.

Arboriculture is the cultivation of trees, shrubs, and other woody plants for shading and decoration. Arboriculture includes propagating, transplanting, pruning, applying fertiliser, spraying to control insects, etc.

Hydnora Africana is one of the strangest plants in the world. It is totally parasitic, perennial that is without any chlorophyll or leaves at all. Hydnora Africana is an achlorophyllous plant in the family Hydnoraceae.

Quiver trees (Aloe dichotoma) also known as kokerboom are species of aloe indigenous to South Africa, specifically in the Northern Cape region and Namibia. The tree is known as Quiver tree because branches and bark of the tree are used by Kalahari San Bushmen to make quivers for their arrows, hence the name.

• The Megamouth Shark is an extremely rare and unusual species of shark, discovered in 1976, with 36 specimens known to be caught or sighted as of 2006. It lives in the deep scattering layer of the ocean.
• As its name suggests, it has a large mouth that can be as wide as 1.3 meters, although it has small teeth compared to the huge size of its mouth. 
• These sharks are ovoviviparous, i.e. the mother gives birth to live young that have hatched from eggs within her body.

• Araku Valley Arabica Coffee has a pleasant acidity with a citrus note of grapefruit and a mild jaggery-like sweetness with light to medium strength.
• This variety is produced by the tribals, who follow an organic approach in which they emphasise management practices involving substantial use of organic manures, green manuring and organic pest management practices.
• It is grown in the region of  Visakhapatnam district in Andhra Pradesh.

The only marsupial found in the United States and Canada is Virginia opossum or common opossum. Whereas, Australia is home to around 250 different species of marsupial. It includes kangaroos, koalas, wombats, wallaby etc.

• Edaphology mainly focuses on how soil influences living things especially plants. It involves the study of how soil affects the way human nature uses the land for growing plants.
• Pedology, on the other hand, involves the study of soil classification and soil morphology. It is the study of soils, including their chemical and physical properties as they are in their natural environment. 

• Sambhar Salt Lake is India’s largest inland salt lake. It is located in Nagaur and Jaipur districts of Rajasthan and is surrounded on all sides by the Aravali hills.
• It is an important wintering area for flamingos and other birds that migrate from northern Asia.

Announced by the state in July $$2015$$, this will be set up in Jalore which will get water from the Arabian Sea through a canal.

Gurusbikhar(17221722 m)) is the highest peak of the Aravalli Range in Rajasthan.
Doda Beta(2637(2637 m)) in located in the Nilgirin Hills.
Annaimudi (2695(2695 m)) is the highest peak of South India and is located in the Anaimalai Hills.
Dhupgarh(13501350 m)) near Pachmarhi on Mahadeo Hills, a part of Satpura Range is the highest peak of this area.

Red panda & Musk deer are rare species. 

Conservation is the protection of Natural resources which are found in nature. Like water, soil, minerals, wildlife and forests etc.