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Question : Commercial acid obtained by activity of penicillium species is,

Question : {:(,"Column I",,,"Column II"),(1.,"Nissil's granules",-,(a),"Forebrain"),(2.,"Hypothalamus",-,(b),"Peripheral Nervous system"),(3.,"Cerebellum",-,(c),"Cyton"),(4.,"Schwann cell",-,(d),"Hindbrain"):}

Question : {:(,"Column A",,"Column B"),(1.,"Autosomes",(a),"Trisomy 21"),(2.,"Diploid condition",(b),9:3:3:1),(3.,"Allosome",(c),"22 pair of chromosome"),(4.,"Down's syndrome",(d),"2n"),(5.,"Dihybrid ratio",(e),23^(rd)"pair of chromosome"):}

Question : Match the following: {:("(a) Atavism", "(i) A wing of a bat an A a wing of an insect"), ("(b) Atavism", "(ii) Rudimentary tail"), ("(c) Homologous organs", "(iii) Vermiform appendix"), ("(d) Analogous organs", "(iv) a forelimb of cat and a bats wing"):}

Question : Colonies of yeast fail to multiply in water, but multiply in sugar solution. Give one reason for this.

Question : Colonies of yeast fail to multiply in water, but multiply in a surgar solution

Question : Collect the names of extint birds and animals of India?

Question : Collect the information about uses of different kinds of alkaloids, take help of Library or internet.

Question : Collect pictures of individuals with normal liver and alcoholic liver, compare and indicate the changes you find in them.

Question : Collect pictures of people affected by tobacco chewing and tobacco smoking. Identify which part of the body is affected and the health hazards it can lead to.

Question : Collect information about cutaneous respiration in frog. Preparea note and explain them in your classroom.

Question : Collect information regarding the (i) Tehri Dam project (ii) Sardar Sarovar Dam project

Question : Collect different flowers such as Maize, Sunflower, Papaya, Hibiscus, Datura, Rose, Crinum, etc. Which of them are bisexual ? Draw diagram of any one bisexual flower and state function of each parts.

Question : Collect information from school library or using internet what vegetative methods are followed in your district as well as in your state to propagate various plants of economic importance.

Question : Collar like outgrowth arising from the base of ovule and forming a sort of third integument is known as

Question : Coliform is a group of bacteria found in human ..........

Question : Coelenteron of Hydra serves the double purpose of

Question : Cod liver oil is source of

Question : Cockroaches are known to be

Question : Cockroaches are closely related to

Question : Cockroach is an insect because it has

Question : Cochlea of mammalian internal car is concerned with

Question : Cochlea of mammalian internal ear is concerned with

Question : CO_(2),SO_(3),O_(3), ketone.

Question : CO_(2), dust, ash, asbestos.

Question : CO_(2) and O_(2) balance in atmosphere is due to

Question : CNS consists of all nerves, which connect brain and spinal cord to all parts of the body.

Question : Clones are

Question : Clitellum of Pheretima is primarily concerned with

Question : Clinostat is the apparatus, which is used to

Question : Click the scripts tab and find the play sound blcok from the ............... menu.

Question : Click the menu ................ drag a when green flag clicked block to the scripts area.

Question : Click the............. flag at the top right corner of the stage to run your program.

Question : Clause 49 B : Use of articles with animal parts banned :: Clause 49 C :…………

Question : Classify the following into Producers and Consumers : Grasshopper, Grass, Frog,Green plants, algae, Tulsi, Tiger.

Question : Classify the following into biotic and abiotic factors : Stone,fungus,soil,green,plants,air,fish,water,sunlight,rat,snake,humidity,frog.

Question : Classify the following into Primary Consumers and Secondary Consumers : Grasshopper,elephant,frog, deer, fruit eating bats, fox,tiger,giraffe.

Question : Classify the following into Air Pollutants and Water Pollutants : Industrial waste, hydrogen sulphide, carbon dioxide, domestic wastes, sewage, carbon monoxide, dust, asbestos, pesticides used in agriculture.

Question : Classify the following as producers and decomposers : Green plants , Bacteria , Fungi , Blue-green algae.

Question : Classify neurons based on its structure.

Question : Explain feedback mechanism for regulation of hormonal secretion with the help of one example.

Question : Cirrhosis is associated with brain disorder.

Question : Cigarette smoking causes emphysema. Give reason.

Question : Chyle is rich in:

Question : Chronic alcoholics are always short of vitamin

Question : Chromosomes having arms of equal length's are called

Question : Chromosomes are made up of

Question : Chromosomes are concerned with