Biology questions This is a list of recently added questions about biology. Play biology quiz and see all the questions. What is inside the camel's hump?Fat. Camels can live without water many days. They don`t sweating, don`t loosing water in excrements. Camels drinkig seldom but they can drink 100 liters in 10 minutes. Created by: Hanna Kaminskadeserts riddles »average 66% waterwater513mineralsminerals97fatfat1394sweat glandssweat glands83 How many pairs of chromosomes does a human have?23. A typical human possesses 23 pairs of chromosomes, which add up to 46. Two of the chromosomes are gender related. A female will have two X chromosomes and a male will have one x and y chromosome. As you may have noticed, females do not have y chromosome.Created by: 12 year old geniusgenetics riddles »average 69% 2323144346464025252822626153 What is gluten?A mixture of proteins. Gluten is a mixture of two proteins: gliadin and a glutenin, found in wheat, barley and rye.Created by: globalquiz.orgfood riddles »average 64% a type of sugara type of sugar1017a mixture of proteinsa mixture of proteins3238an alkaloidan alkaloid497a type of fata type of fat242 Which from endocrine glands is responsible for a regulation of sleep?Pineal gland. The pineal gland is a small endocrine gland in the vertebrate brain. It produces melatonin, a serotonin derived hormone, which affects the modulation of sleep patterns. Melatonin is sold over-the-counter as a sleep aid in the U.S. and Canada.Created by: Paweł Kołodziejczykhuman anatomy riddles »average 60% hypothalamushypothalamus1919adrenal glandsadrenal glands669thymusthymus688pineal glandpineal gland5047 How is the soilless cultivation of plants called?Hydroponics is a subset of hydroculture and is a method of growing plants using mineral nutrient solutions, in water, without soil. Terrestrial plants may be grown with their roots in the mineral nutrient solution only or in an inert medium, such as perlite or gravel.Created by: Paweł Kołodziejczykcrops riddles »hard 49% hydrologyhydrology722hydroculturehydroculture1570hydroponicshydroponics3666hydrofarminghydrofarming1498 How is the branch of zoology concerned with aphibians and reptiles called?Herpetology. "Herp" is a vernacular term for reptiles and amphibians. It is derived from Greek 'herpien' meaning 'to creep'.Created by: Paweł Kołodziejczykreptiles riddles »hard 56% ichthyologyichthyology1631herpetologyherpetology4974malacologymalacology814entomologyentomology1344 Where do coast redwoods grow?In the west of the United States. Common names of sequoia sempervirens include coast redwood, coastal redwood and California redwood. It is an evergreen, long-lived, monoecious tree living 1,200–1,800 years or more. This species includes the tallest living trees on Earth. It comes from coastal mountains of Oregon and California. (the west of the USA).Created by: Paweł Kołodziejczykplants riddles »hard 44% In Central America onlyIn Central America only670In the west of the United StatesIn the west of the United States1772in the eastern Brazilin the eastern Brazil658in the entire North and Central Americain the entire North and Central America909 A condition of the unconsciousness is an effect of the shutdown of what?The cerebral cortex. Unconsciousness is a state which occurs when the ability to maintain an awareness of self and environment is lost. It involves a complete or near-complete lack of responsiveness to people and other environmental stimuli.Created by: Paweł Kołodziejczykmedicine riddles »hard 57% the spinal cordthe spinal cord458cerebellumcerebellum1739the cerebral cortexthe cerebral cortex4368white matter of the brainwhite matter of the brain995 What it is an autotomy?Self amputation (e.g. of a tail). Autotomy (from the Greek auto- "self-" and tome "severing") or self amputation is the behaviour whereby an animal sheds or discards one or more of its own appendages, usually as a self-defense mechanism to elude a predator's grasp or to distract the predator and thereby allow escape. The lost body part may be regenerated later.Created by: Paweł Kołodziejczykanimals riddles »hard 55% eating only one kind of spieces (e.g. the koala is eating leaves of the eucalyptus)eating only one kind of spieces (e.g. the koala is eating leaves of the eucalyptus)826self amputation (e.g. of a tail)self amputation (e.g. of a tail)4340hunting of its own kindhunting of its own kind1840in-breeding (small gene pool)in-breeding (small gene pool)815 Where do gharials live?In the Ganges River. The gharial (Gavialis gangeticus), also known as the gavial, and the fish-eating crocodile, is a crocodilian of the family Gavialidae, native to the northern part of the Indian Subcontinent. It is harmless to humans.Created by: Paweł Kołodziejczykrivers riddles »hard 46% In the NileIn the Nile949In the Ganges RiverIn the Ganges River3300In the AmazonIn the Amazon1394In the entire Central Africa (Congo and its tributaries)In the entire Central Africa (Congo and its tributaries)1455 Play biology quiz and see all the questions.