BIOLOGY

BIOLOGY



1.The organ which is primarily concerned with immunity? 

Lymphatic tissue ✔️


2.The liquid that gives softness to skin and hair? 

Sebum✔️


3.Fire fly gives us cold light by virtue of its? 

Chemiluminescence✔️


4.Nitrogen base found only in RNA? 

Uracil✔️


5.Angiology is the study of? 

Blood vessels✔️


6.Palak leaves rich in? 

Iron✔️


7.Pepsin, a digestive enzyme, is produced in the? 

Stomach ✔️


8.DOT treatment is related to? 

Tuberculosis ✔️


9.Insufficient blood supply in the human body referred to as?

Ischaemia✔️


10.Mitosis and Meiosis are two types of? 

Cell division ✔️


11.who was the first to report about the nucleic acids in 1871?

Friedric Miescher✔️


12.Which nitrogen base is present in DNA but not in RNA?

Thymine✔️


13.What are known as the biological catalysts?

Enzymes✔️


14.Blood circulation was discovered by?

William Harvey✔️


15.Who demonstrated Rh factor?

Karl Landsteiner✔️


16. Blood group which is called Universal donor?

 O✔️


17. Viscosity of Blood?

4.5 to 5.5✔️


18.Instrument used to measure haemoglobin?

Haemoglobinometer✔️


19.Anticoagulant present in Blood?

Heparin✔️


20. A skin softener used in cosmetics, obtained from sheep is? 

Lonolin✔️


21. The web of the spiders made up of? 

Proteins✔️


22. Christmas disease?

Haemophilia✔️


23. Site of Protein synthesis in a cell is? 

 Ribosome✔️


24. The botanical name of Pipal tree (national tree of India)? 

Ficus bengalensis✔️


25.Which organ helps the birds to sing?

Syrinx✔️


26.What kind of organism is ‘Bombay Duck’?

Fish✔️


27. The average length of femur? 

50cm✔️


28.The disease caused by Yersinia pestis? 

Plague✔️


29.Who is the father of the Theory of the Inheretance of Acquired Charecters?

 Lamark✔️


30.Which gland is known as Adam’s apple?

Thyroid ✔️


31.The term associated with the cultivation of grapes? 

Viticulture✔️


32.Who is known as father of Zoology? 

Aristotle ✔️


33.Spermology is the study of? 

Seed✔️


34.Animal without red blood cells?

(frog, earthworm, snail, snake)

Earthworm✔️


35.Name the blood cells in which nucleus is absent? 

Blood Platelets✔️


36. The hormone that helps in Parthenocarpy? 

Gibberellin✔️


37.The outer membrane that covers the brain is? 

Dura mater✔️


38.Tikka disease is related with the crop? 

Ground nut✔️


39.The gland that is present close to Trachea? 

Thyroid✔️


40.Agrostology is the study of? 

Grass✔️


41.The total number of pairs of Peripheral nerves in man are? 

43✔️


42.The rate of heartbeat is accelerated by the hormone 

Adrenaline✔️


43.Which part of Nervous system controls involuntary actions? 

Medulla oblongata✔️


44.In plants, exchange of gases takes place through? 

Stomata✔️


45.Plants growing in sunlight are called? 

Heliophytes✔️


46.Phycology is the branch of botany in which we study about? 

Algae✔️


47.Tissue in which cells have lost the capacity of cell division?

Permanent tissue✔️


48.The process in which energy stored in carbohydrates is released? 

Respiration✔️


49.The tallest living tree is? 

Sequoia✔️


50.In human body the structure to which appendix is attached? 

Large intestine✔️

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