Biolog
No: 1 - Q:Write an example of serendipity. ?
Ans:Discovery of penicillin by Fleming.
No: 2 - Q:What do you mean by Hydroponics ?
Ans:Plant growth in liquid culture medium.
No: 3 - Q:What is the technique of separation of disrupted cell components?
Ans: Fractionation.
No: 4 - Q:What is EM?
Ans: Electron microscope.
No: 5 - Q:Name two monocarpic plants which show gregarious flowering?
Ans: Bambusa tulda, Melocanna bambusoides.
No: 6 - Q:Under what system, organisms are provided with scientific means ?
Ans:Binomial nomenclature.
No: 7 - Q:What is the name of that branch of Biology which devoted to identifying, naming and classifying organisms?
Ans: Taxonomy.
No: 8 - Q:Who was the author of ‘Man’s place in nature’?
Ans: Huxley.
No: 9 - Q: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.
No: 10 - Q:Expand the TMV. ?
Ans:Tobacco Mosaic Virus.
No: 11 - Q:What is DNA ?
Ans:Deoxyribonucleic acid.
No: 12 - Q:What is Histology?
Ans: Histology is the study of tissues (Microscopic anatomy)
No: 13 - Q:Which is the free living soil bacteria in fixes nitrogen?
Ans: Azotobacter.
No: 14 - Q:What is Physiology ?
Ans:Physiology is the study of structure and functions.
No: 15 - Q:What is Cell Biology?
Ans: Cell Biology is the study of structure and reproduction of cells.
No: 16 - Q:What do you mean by Genetics ?
Ans:Genetics is the study of heredity and variations.
No: 17 - Q:Write a Radio isotope ?
Ans:I-131
No: 18 - Q:What is ecosystem ?
Ans:The entire living community and non-living factors of the environment together from the ecosystem.
No: 19 - Q:Which form of science dealing with the study of structural and cultural traits of human beings?
Ans: Anthropology.
No: 20 - Q:What are the two functional groups in an ecosystem ?
Ans:Autotrophs and heterotrophs.
No: 22 - Q:Where does the primary photo chemical reaction occur in chloroplast ?
Ans:Quantasome.
No: 23 - Q:What is exobiology?
Ans: It is the study of life in outer space.
No: 24 - Q:What is the magnification of an electron microscope?
Ans: 100000
No: 25 - Q:Which is the monocarpic plant which shows gregarious flowering once in 48 years?
Ans: Bamboo.
No: 26 - Q:How does the living and non-living resemble up to the level organization ?
Ans:Molecules and compounds.
No: 27 - Q:What number of chemicals are present in a cell ?
Ans:About 5000.
No: 28 - Q:Write an example of homeostasis. ?
Ans:Increased heart beat on running and sweating during exercise.
No: 29 - Q:Which is called blue-print of information?
Ans: DNA.
No: 30 - Q:Which cells are programmed to die during embryonic stage ?
Ans:Vessel elements.
No: 31 - Q:Why virus cannot be cultured in totally artificial medium ?
Ans:Because it lacks machinery to use genetic information.
No: 32 - Q:What are seedless plants called ?
Ans:Cryptogams.
No: 33 - Q:What is Dendrology ?
Ans:The study of trees called Dendrology
No: 34 - Q:Energy is converted from sunlight and released by what ?
Ans:Respiration
No: 35 - Q:Name the process by which plants prepare their food ?
Ans:Photosynthesis
No: 36 - Q:What is Tonoplast ?
Ans:Tonoplast is the membrane around the plant vacuoles
No: 37 - Q:What is the other name of root cap?
Ans: Calyptra
No: 38 - Q:What is Anemophily?
Ans: It is the pollination by wind
No: 39 - Q:What is pollination?
Ans: The transference of pollen grain from the another of a flower to the stigma is known as pollination
No: 40 - Q:What is Clinostat ?
Ans:Clinostat is an apparatus used to demonstrate photoperiodism.
No: 41 - Q:Name the process by which terrestrial plant loses water?
Ans: Transpiration
No: 42 - Q:What is the term used for the occurrence of more than one type of morphologically different leaves on the same plant?
Ans: Heterophylly
No: 43 - Q:In which country the hormone gibberellin was discovered ?
Ans:Japan
No: 44 - Q:Name the natural process involving loss of water from a plant in the form of liquid drops?
Ans: Guttation
No: 45 - Q:What is the technical name of the natural opening in the leaves meant for gaseous exchange?
Ans: Stomata
No: 46 - Q:What are Heliophytes and Sciophytes ?
Ans:Heliophytes are plants that grow in full sunlight, Sciophytes are plants that grow in shade
No: 47 - Q:Name the four insectivorous plants ?
Ans:1. Drosera, 2. Dionaea, 3. Aldrovanda, 4. Utricularia
No: 48 - Q:What is the color of Carotene ?
Ans:yellow
No: 49 - Q:What is the source of chemical energy during photosynthesis?
Ans: Adenosine Triphosphate (ATP)
No: 50 - Q:What is the shape of chloroplast in spirogyra?
Ans: Ribbon shaped
No: 51 - Q:Which plant has the lifespan of 4000 years?
Ans: Gnetum
No: 52 - Q:Name the organelle where photosynthesis takes place ?
Ans:Chloroplast
No: 53 - Q:What are the three kinds of plastids ?
Ans:1. Leucoplasts, 2. Chloroplasts, 3. Chromoplasts
No: 54 - Q:What is the other name for Nastic movement ?
Ans:Sleep movement
No: 55 - Q:What is cladode?
Ans: The modification of stem to carry the function of leaf is called cladode. Example: Opuntia
No: 56 - Q:What is the male reproductive part of the flower known as?
Ans: Stamens
No: 57 - Q:Name the instrument used to demonstrate geotropism ?
Ans:Clinostat
No: 58 - Q:What are the types of flagella noticed in Algae?
Ans: Whiplash, Tinsel
No: 59 - Q:What are Atrichous bacteria ?
Ans:Bacteria which do not have flagella are called Atrichous bacteria
No: 60 - Q:What are the other names for dark reaction of photosynthesis ?
Ans:Blackman’s reaction or Calvin cycle
No: 61 - Q:What is the most common nutritive tissue for the developing embryos in angiosperm known as?
Ans: Endosperm.
No: 62 - Q: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
No: 63 - Q:What are invertebrates ?
Ans:They are a division of the animals which have no vertebral column
No: 64 - Q:Which is the biggest cell ?
Ans:The egg of the bird ostrich
No: 65 - Q:Gave the names of three fur bearing animals ?
Ans:The sable, a kind of antelope, mink and the arctic fox are fur bearing animals
No: 66 - Q:Which living animal has the longest lifespan?
Ans: Tortoise
No: 67 - Q:What is a flying fox ?
Ans:It is a kind of bat
No: 68 - Q:Which is the largest marsupial ?
Ans:Red kangaroo
No: 69 - Q:How do mammals communicate ?
Ans:They communicate by sounds, touch, visual clues, and odor
No: 70 - Q:What is a viviparous ?
Ans:A viviparous animal is one that gives birth to young ones
No: 71 - Q:What is Murrah?
Ans: It is a hybrid buffalo which is a high milk producer
No: 72 - Q:Which is the tallest living animal ?
Ans:Giraffe
No: 73 - Q:Which is the biggest land animal?
Ans: African bush elephant
Ans:Discovery of penicillin by Fleming.
No: 2 - Q:What do you mean by Hydroponics ?
Ans:Plant growth in liquid culture medium.
No: 3 - Q:What is the technique of separation of disrupted cell components?
Ans: Fractionation.
No: 4 - Q:What is EM?
Ans: Electron microscope.
No: 5 - Q:Name two monocarpic plants which show gregarious flowering?
Ans: Bambusa tulda, Melocanna bambusoides.
No: 6 - Q:Under what system, organisms are provided with scientific means ?
Ans:Binomial nomenclature.
No: 7 - Q:What is the name of that branch of Biology which devoted to identifying, naming and classifying organisms?
Ans: Taxonomy.
No: 8 - Q:Who was the author of ‘Man’s place in nature’?
Ans: Huxley.
No: 9 - Q: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.
No: 10 - Q:Expand the TMV. ?
Ans:Tobacco Mosaic Virus.
No: 11 - Q:What is DNA ?
Ans:Deoxyribonucleic acid.
No: 12 - Q:What is Histology?
Ans: Histology is the study of tissues (Microscopic anatomy)
No: 13 - Q:Which is the free living soil bacteria in fixes nitrogen?
Ans: Azotobacter.
No: 14 - Q:What is Physiology ?
Ans:Physiology is the study of structure and functions.
No: 15 - Q:What is Cell Biology?
Ans: Cell Biology is the study of structure and reproduction of cells.
No: 16 - Q:What do you mean by Genetics ?
Ans:Genetics is the study of heredity and variations.
No: 17 - Q:Write a Radio isotope ?
Ans:I-131
No: 18 - Q:What is ecosystem ?
Ans:The entire living community and non-living factors of the environment together from the ecosystem.
No: 19 - Q:Which form of science dealing with the study of structural and cultural traits of human beings?
Ans: Anthropology.
No: 20 - Q:What are the two functional groups in an ecosystem ?
Ans:Autotrophs and heterotrophs.
No: 22 - Q:Where does the primary photo chemical reaction occur in chloroplast ?
Ans:Quantasome.
No: 23 - Q:What is exobiology?
Ans: It is the study of life in outer space.
No: 24 - Q:What is the magnification of an electron microscope?
Ans: 100000
No: 25 - Q:Which is the monocarpic plant which shows gregarious flowering once in 48 years?
Ans: Bamboo.
No: 26 - Q:How does the living and non-living resemble up to the level organization ?
Ans:Molecules and compounds.
No: 27 - Q:What number of chemicals are present in a cell ?
Ans:About 5000.
No: 28 - Q:Write an example of homeostasis. ?
Ans:Increased heart beat on running and sweating during exercise.
No: 29 - Q:Which is called blue-print of information?
Ans: DNA.
No: 30 - Q:Which cells are programmed to die during embryonic stage ?
Ans:Vessel elements.
No: 31 - Q:Why virus cannot be cultured in totally artificial medium ?
Ans:Because it lacks machinery to use genetic information.
No: 32 - Q:What are seedless plants called ?
Ans:Cryptogams.
No: 33 - Q:What is Dendrology ?
Ans:The study of trees called Dendrology
No: 34 - Q:Energy is converted from sunlight and released by what ?
Ans:Respiration
No: 35 - Q:Name the process by which plants prepare their food ?
Ans:Photosynthesis
No: 36 - Q:What is Tonoplast ?
Ans:Tonoplast is the membrane around the plant vacuoles
No: 37 - Q:What is the other name of root cap?
Ans: Calyptra
No: 38 - Q:What is Anemophily?
Ans: It is the pollination by wind
No: 39 - Q:What is pollination?
Ans: The transference of pollen grain from the another of a flower to the stigma is known as pollination
No: 40 - Q:What is Clinostat ?
Ans:Clinostat is an apparatus used to demonstrate photoperiodism.
No: 41 - Q:Name the process by which terrestrial plant loses water?
Ans: Transpiration
No: 42 - Q:What is the term used for the occurrence of more than one type of morphologically different leaves on the same plant?
Ans: Heterophylly
No: 43 - Q:In which country the hormone gibberellin was discovered ?
Ans:Japan
No: 44 - Q:Name the natural process involving loss of water from a plant in the form of liquid drops?
Ans: Guttation
No: 45 - Q:What is the technical name of the natural opening in the leaves meant for gaseous exchange?
Ans: Stomata
No: 46 - Q:What are Heliophytes and Sciophytes ?
Ans:Heliophytes are plants that grow in full sunlight, Sciophytes are plants that grow in shade
No: 47 - Q:Name the four insectivorous plants ?
Ans:1. Drosera, 2. Dionaea, 3. Aldrovanda, 4. Utricularia
No: 48 - Q:What is the color of Carotene ?
Ans:yellow
No: 49 - Q:What is the source of chemical energy during photosynthesis?
Ans: Adenosine Triphosphate (ATP)
No: 50 - Q:What is the shape of chloroplast in spirogyra?
Ans: Ribbon shaped
No: 51 - Q:Which plant has the lifespan of 4000 years?
Ans: Gnetum
No: 52 - Q:Name the organelle where photosynthesis takes place ?
Ans:Chloroplast
No: 53 - Q:What are the three kinds of plastids ?
Ans:1. Leucoplasts, 2. Chloroplasts, 3. Chromoplasts
No: 54 - Q:What is the other name for Nastic movement ?
Ans:Sleep movement
No: 55 - Q:What is cladode?
Ans: The modification of stem to carry the function of leaf is called cladode. Example: Opuntia
No: 56 - Q:What is the male reproductive part of the flower known as?
Ans: Stamens
No: 57 - Q:Name the instrument used to demonstrate geotropism ?
Ans:Clinostat
No: 58 - Q:What are the types of flagella noticed in Algae?
Ans: Whiplash, Tinsel
No: 59 - Q:What are Atrichous bacteria ?
Ans:Bacteria which do not have flagella are called Atrichous bacteria
No: 60 - Q:What are the other names for dark reaction of photosynthesis ?
Ans:Blackman’s reaction or Calvin cycle
No: 61 - Q:What is the most common nutritive tissue for the developing embryos in angiosperm known as?
Ans: Endosperm.
No: 62 - Q: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
No: 63 - Q:What are invertebrates ?
Ans:They are a division of the animals which have no vertebral column
No: 64 - Q:Which is the biggest cell ?
Ans:The egg of the bird ostrich
No: 65 - Q:Gave the names of three fur bearing animals ?
Ans:The sable, a kind of antelope, mink and the arctic fox are fur bearing animals
No: 66 - Q:Which living animal has the longest lifespan?
Ans: Tortoise
No: 67 - Q:What is a flying fox ?
Ans:It is a kind of bat
No: 68 - Q:Which is the largest marsupial ?
Ans:Red kangaroo
No: 69 - Q:How do mammals communicate ?
Ans:They communicate by sounds, touch, visual clues, and odor
No: 70 - Q:What is a viviparous ?
Ans:A viviparous animal is one that gives birth to young ones
No: 71 - Q:What is Murrah?
Ans: It is a hybrid buffalo which is a high milk producer
No: 72 - Q:Which is the tallest living animal ?
Ans:Giraffe
No: 73 - Q:Which is the biggest land animal?
Ans: African bush elephant
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