100+ Unique Gk On Biology || General Knowledge || Assamese Medium

100+  Unique Gk On Biology || Pro Assam

 
1 Write an example of serendipity. ?
Ans: Discovery of penicillin by Fleming.




2.What do you mean by Hydroponics ?
Ans: Plant growth in liquid culture medium.



3.What is the technique of separation of disrupted cell components?
Ans: Fractionation



4.What is EM?
Ans: Electron microscope.



5.Name two monocarpic plants which show gregarious flowering?
Ans: Bambusa tulda, Melocanna bambusoides.



6.Under what system, organisms are provided with scientific means ?
Ans: Binomial nomenclature.



7.What is the name of that branch of Biology which devoted to identifying, naming and classifying organisms?
Ans: Taxonomy



8.Who was the author of ‘Man’s place in nature’?
Ans: Huxley



9.Both living and the non-living are made of same elements and are governed by the similar physical laws. In which respect are they different?
Ans: Level organization.




10.Expand the TMV. ?
Ans: Tobacco Mosaic Virus.

11.What is DNA ?
Ans: Deoxyribonucleic acid.



12.What is Histology?
Ans: Histology is the study of tissues (Microscopic anatomy)




13.Which is the free living soil bacteria in fixes nitrogen?
Ans: Azotobacter



14.What is Physiology ?
Ans: Physiology is the study of structure and functions.



15.What is Cell Biology?
Ans: Cell Biology is the study of structure and reproduction of cells.




16.What do you mean by Genetics ?
Ans: Genetics is the study of heredity and variations.



17.Write a Radio isotope ?
Ans: 131




18.What is ecosystem ?
Ans: The entire living community and non-living factors of the environment together from the ecosystem.

 

19.Which form of science dealing with the study of structural and cultural traits of human beings?
Ans: Anthropology



20.What are the two functional groups in an ecosystem ?
Ans: Autotrophs and heterotrophs.




21.Where does the primary photo chemical reaction occur in chloroplast ?
Ans: Quantasome.



22.What is exobiology?
Ans: It is the study of life in outer space.




23.What is the magnification of an electron microscope?
Ans: 100000



24.Which is the monocarpic plant which shows gregarious flowering once in 48 years?
Ans: Bamboo





25.How does the living and non-living resemble up to the level organization ?
Ans: Molecules and compounds.




26.What number of chemicals are present in a cell ?
Ans: About 5000.




27.Write an example of homeostasis. ?
Ans: Increased heart beat on running and sweating during exercise.



28.Which is called blue-print of information?
Ans: DNA



29.Which cells are programmed to die during embryonic stage ?
Ans: Vessel elements.



30.Why virus cannot be cultured in totally artificial medium ?
Ans:Because it lacks machinery to use genetic information.

 

31.What are seedless plants called ?
Ans: Cryptogams.




32.What is Dendrology ?
Ans: The study of trees called Dendrology



33.Energy is converted from sunlight and released by what ?
Ans: Respiration

34.Name the process by which plants prepare their food ?
Ans: Photosynthesis

35.What is Tonoplast ?
Ans: Tonoplast is the membrane around the plant vacuoles




36.What is the other name of root cap?
Ans: Calyptra




37.What is Anemophily?
Ans: It is the pollination by wind




38.What is pollination?
Ans: The transference of pollen grain from the another of a flower to the stigma is known as pollination



39.What is Clinostat ?
Ans: Clinostat is an apparatus used to demonstrate photoperiodism.





40.Name the process by which terrestrial plant loses water?
Ans: Transpiration





41.What is the term used for the occurrence of more than one type of morphologically different leaves on the same plant?
Ans: Heterophylly




42.In which country the hormone gibberellin was discovered ?
Ans: Japan





43.Name the natural process involving loss of water from a plant in the form of liquid drops?
Ans: Guttation





44.What is the technical name of the natural opening in the leaves meant for gaseous exchange?
Ans: Stomata




45.What are Heliophytes and Sciophytes ?
Ans: Heliophytes are plants that grow in full sunlight, Sciophytes are plants that grow in shade




46.Name the four insectivorous plants ?
Ans: 1. Drosera, 2. Dionaea, 3. Aldrovanda, 4. Utricularia




47.What is the color of Carotene ?
Ans: yellow





48.What is the source of chemical energy during photosynthesis?
Ans: Adenosine Triphosphate (ATP)




49.What is the shape of chloroplast in spirogyra?
Ans: Ribbon shaped




50.Which plant has the lifespan of 4000 years?
Ans: Gnetum




51.Name the organelle where photosynthesis takes place ?
Ans: Chloroplast




52.What are the three kinds of plastids ?
Ans: 1. Leucoplasts, 2. Chloroplasts, 3. Chromoplasts




53.What is the other name for Nastic movement ?
Ans: Sleep movement




54.What is cladode?
Ans: The modification of stem to carry the function of leaf is called cladode. Example: Opuntia




55.What is the male reproductive part of the flower known as?
Ans: Stamen




56.Name the instrument used to demonstrate geotropism ?
Ans: Clinostat





57.What are the types of flagella noticed in Algae?
Ans: Whiplash, Tinsel






58.What are Atrichous bacteria ?
Ans: Bacteria which do not have flagella are called Atrichous bacteria





59.What are the other names for dark reaction of photosynthesis ?
Ans: Blackman’s reaction or Calvin cycle




60.What is the most common nutritive tissue for the developing embryos in angiosperm known as?
Ans: Endosperm.





61.What is an animal ?
Ans: The word animal comes from Latin, meaning breath or soul. It includes mammals, birds, reptiles, fish, frogs, clams, lobsters, insects, worms, and jelly-fish





62.What are invertebrates ?
Ans: They are a division of the animals which have no vertebral column




63.Which is the biggest cell ?
Ans: The egg of the bird ostrich





64.Gave the names of three fur bearing animals ?
Ans: The sable, a kind of antelope, mink and the arctic fox are fur bearing animals




65.Which living animal has the longest lifespan?
Ans: Tortoise





66.What is a flying fox ?
Ans: It is a kind of bat



67.Which is the largest marsupial ?
Ans: Red kangaroo



68.How do mammals communicate ?
Ans: They communicate by sounds, touch, visual clues, and odor

69.What is a viviparous ?
Ans: A viviparous animal is one that gives birth to young ones

70.What is Murrah?
Ans: It is a hybrid buffalo which is a high milk producer



71.Which is the tallest living animal ?
Ans: Giraffe


72.Which is the biggest land animal?
Ans: African bush elephant