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Showing posts with the label
1st year bio shrt
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1st year bio shrt
1st year biology short question ch#13
How does the aquatic plants obtain oxygen? Aquatic plants obtain their oxygen by diffusion from dissolved oxygen is water. How does the rate of carbon dioxide fixation is lowered? The pho…
1st year bio shrt
1st year biology short question ch#12
Define stomach? stomach is defined as the enlargement of the anterior region of the gut. In vertebrates it follows oesophagus and usually has muscular walls which are helpful in crushing th…
1st year bio shrt
1st year biology short question ch#11
What do you mean by thylakoid? In photosynthetic organisms, chloroplasts have vesicles a wall of which bears photosynthetic pigments, called thylakoid. They vary in form and arrangement in differ…
1st year bio shrt
1st year biology short question ch#10
What do mean by the flame cell? The flame cell is defined as it is cup shaped cell with a bunch of cilia which work in its lumen. It is concerned with excretion. Flame cells are usually connecte…
1st year bio shrt
1st year biology short question ch#9
What do you mean by Oospores? Ans. A thick walled zygote that is formed after the fertilization of an Oospore. what do you mean by a spike. Ans.A spike is a racemose inflorescence is which the f…
1st year bio shrt
1st year biology short question ch#8
1.What do you mean by hypha? Ans .Hypha is defined as a long, slender, branched and thread like filament of fungal body. 2.What do you mean by fungi? Ans The eukaryotic organisms which hav…
1st year bio shrt
1st year biology short question ch#7
Write down the characteristics of protists. The characteristics of the protists are unicellular, colonial or simple multicellular organisms that posses a eukaryotic cell organization. e.g…
1st year bio shrt
1st year biology short question ch#6
1.What is difference between eubacteria and archacobacteria. Ans. Eubacteria: means in Greek true bacteria and a much smaller division. Cell wall is of peptidoglycan or murein. for e.g E.Coli.wher…
1st year bio shrt
1st year biology short question ch#5
1. Define vaccine? Ans. The vaccine is defined as the harmless variant or derivative of a pathogen that stimulates host's immune system to enhance the defenses against the pathogen. 2.Wri…
1st year bio shrt
1st year biology short question ch#4
1. What is the work of Lorenz Oken? Ans. Lorenz Oken (1805) Believed that all living beings originate from or consist of vesicles or cells. 2. Define cell theory, who proposed it? Ans. The…
1st year bio shrt
1st year biology short question ch#3
1. Define enzymes Ans. Enzymes is biochemical catalysts which increase the rate of reaction by lowering the activation energy of the reaction. They are very specific in their action and are globu…
1st year bio shrt
1st year biology short question ch#2
1. What is Biochemistry? Give its importance Ans. Biochemistry is a branch of biology, which deals with the study of chemicals components and the chemical process in living organisms. Importanc…
1st year bio shrt
1st year Biology short question ch#1
1. Discuss community. How a biotic factors limit the dynamics of community. Ans. Populations of different species (plants and animals) living in the same habitat form a community. Factors : Com…
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