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Important Questions of biology quick check your preparation [Tricky]


Biology important questions



The word cell came from the latin word. 

*⭕️Ans: Cellula*

All living organisms are made up of 

*⭕️Ans: Cell*

⭕️Study of cell – *Cytology*

⭕️Study of tissue – *Histology*

⭕️The physical unit of life 

*⭕️Ans: Protoplasm*

⭕️Who invented the cell?

*⭕️Ans: Robert Hook in 1665*

⭕️Cell theory was proposed by?

*⭕️Ans: M.J. Schleiden and Theodor Schwann (1839)*

⭕️Scientist who observed cork cells under a microscope?

*⭕️Ans: Robert Hook*

⭕️Plant cell was discovered by?

*⭕️Ans: Robert Hook*

⭕️The term protoplasm was coined by 3.E. Purkinje Scientist who called protoplasm as the physical basis of life T.H. Huxley

 Largest cell

*⭕️Ans: Ostrich’s egg*

⭕️Smallest cell?

*⭕️Ans: Mycoplasma*

⭕️Organisms known as pleuro pneumonia like organism (PPLO)? 

*⭕️Ans: Mycoplasma*

⭕️Smallest cell in the human body?

*⭕️Ans: Sperm*

⭕️Largest cell in human body?

*⭕️Ans: Ovum*

⭕️Longest cell in human body?

*⭕️Ans: Neuron*

⭕️Power house of a cell?

*⭕️Ans: Mitochondria*

⭕️Brain of the cell?

*⭕️Ans: Nucleus*

⭕️Kitchen of the cell?

*⭕️Ans: Chloroplast*

⭕️Energy Currency of the cell?

*⭕️Ans: ATP*

⭕️Suicidal bag?

*⭕️Ans: Lysosomes*

⭕️Traffic Police of the cell?

*⭕️Ans: Golgibodies*

⭕️Skeletal system of the cell?

*⭕️Ans: Endoplasmic reticulum*

⭕️The cell having most life span in human body?

*⭕️Ans: RBC*

⭕️Cytoplasm and Nucleus are included in?

*⭕️Ans: Protoplasm*

⭕️The cell organelle known as protein factory?

*⭕️Ans: Ribosome*

⭕️The organelle in the site of protein synthesis?

*⭕️Ans: Ribosome*

⭕️Ribosome has its own?

*⭕️Ans: RNA*

⭕️Two types of acids present in cell?

*⭕️Ans: DNA and RNA*

⭕️The basic unit of chromosome?

*⭕️Ans: DNA*

⭕️The functional unit of DNA?

*⭕️Ans: Genes*

⭕️Function of DNA?

*⭕️Ans: Transmission of hereditary traits*

⭕️Function of RNA?

*⭕️Ans: Protein synthesis*

⭕️Each chromosome has?

*⭕️Ans: A pair of DNA*

⭕️DNA sugar is called?

*⭕️Ans: Deoxyribose*

⭕️The nitrogen bases in DNA?

*⭕️Ans: Adenine, Guanine, Thymine, Cytosine*

⭕️The RNA sugar?

*⭕️Ans: Ribose*

⭕️The nitrogen bases in RNA?

*⭕️Ans : Adenine, Uracil, Cytosine and Guanine*

⭕️The double helical model of DNA was discovered by?

*⭕️Ans: James Watson and Francis Crick*

⭕️The enzyme present in lysosome?

*⭕️Ans: Hydrolytic enzyme*

⭕️Lysosome was discovered by?

*⭕️Ans: Christion de Duve (1955)*

⭕️Compounds enter the cell through? 

*⭕️Ans: Endoplasmic reticulum*

⭕️The cell organelle which is the sites of energy transfer in living cell?

*⭕️Ans: Mitochondria*

⭕️The functions of mitochondria?

*⭕️Ans: Cellular respiration, ATP production*

⭕️The stage of cellular respiration which does not need oxygen? 

*⭕️Ans: Glycolysis*

⭕️The term Mitochondria was coined by?

*⭕️Ans: Carl Benda (1898)*

⭕️Name the process in which the main product is energy?

*⭕️Ans: Cellular respiration*

⭕️In mitochondria the energy is formed in the form of?

*⭕️Ans: ATP molecules*

⭕️Which molecule is known as the energy currency?

*⭕️Ans : ATP molecule*


*⭕️Ans: Adenosine Triphosphate*

⭕️The cell that lacks mitochondria and nucleus?

*⭕️Ans: RBC*

⭕️Number of ATP molecule that will get from one molecule of glucose?

*⭕️Ans: 38ATP*

⭕️The elements in the component of ATP?

*⭕️Ans: Nitrogen and phosphorus*

⭕️Kerb’s cycle is related to? 

*⭕️Ans: Cellular respiration*

⭕️Cell respiration was discovered by?

*⭕️Ans: Adolf Krebs*

⭕️The whole process of a cell is controlled by?

*⭕️Ans: Nucleus*

⭕️The cell without nucleus?

*⭕️Ans: Prokaryotic cell*

⭕️The cell with nucleus? 

*⭕️Ans : Eukaryotic cell*

⭕️Nucleus was discovered by?

*⭕️Ans : Robert Brown*

⭕️Name the process in which lysosome digest its own cell organelles? 

*⭕️Ans: Autoplagy*

⭕️A network like structure inside the nucleus is called?

*⭕️Ans: Chromatin Reticulum*

⭕️The structure of cell is first explained in the book of?

*⭕️Ans: Micrographia*

⭕️The living thing which do not obey cell theory?

*⭕️Ans: Virus*

⭕️The scientist first studied about all structure and cell reaction? 

*⭕️Ans: Theodor Schwaan*

⭕️Schwaan cell are seen in?

*⭕️Ans: Nerve cell*



✅Bacteria leaf blight of rice caused by  ?- Xanthomas oryzae

✅The disease caused by Leptosphaeria sacchari in sugarcane is ?
– Ring spot

✅Loose smut of wheat is ?
– Internally seed borne

✅The Karnal bunt of wheat is caused by  ?
– Neovossia indica

✅Sugarcane rust is caused by ?
– Puccinia eriathi

✅Leaf blight of wheat is caused by ?- Alternaria trichina

✅Stem rot of rice is caused by ?
– Sclerotium oryzae

✅Tungro disease of rice is spread by ?
– Nephotettix virescens

✅Ufra disease of rice is caused by ?
– Ditylenchus

✅ Whip smut of sugarcane is caused by  ?
– Ustilago sciteminae

✅Red rot of sugarcane is caused by  ?
– Collectorichum falcatum

✅Sugarcane mosaic disease is transmitted by ?
– Rhopalosiphum maidis

✅Disease also known as “Killer Disease of Wheat” is  ?
– Black/ Stem rust

✅Akiochi disease is due to  ?
– Sulphur toxicity

✅White rust of crucifers is caused by  ?- Albugo candida

✅Crop showing maximum resistance to nematode is ?
– Marigold

✅Iris famine in 1845 ,was caused due to ?
– Phytophothora infestance

✅Father of Indian Pathology is ?
– E.J.Butler

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