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Basic biology questions and answers which are frequently asked in many competitive exams like NEET, SSC, UPSC and TET exams. These bio questions include questions on biology topics like reproduction, digestive system, blood group, circulatory system and more.
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Q 61.
The factor which influences unicellular organism to keep spherical shape is ?
Ans.
Surface tension
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Q 62.
Cell of Amoeba is ?
Ans.
Indefinite shape
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Q 63.
Which is the largest cell in human body ?
Ans.
Nerve Cell
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Q 64.
Cell theory was proposed by ?
Ans.
J.Schwann & R. Scleiden
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Q 65.
The scientist who stated that plants and animals's body is consisted of cells was ?
Ans.
Dutrochet
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Q 66.
Chloroplast is a ?
Ans.
Organelle
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Q 67.
The structure which constitutes the basic structural functional unit of living beings is ?
Ans.
Cell
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Q 68.
Which birds makes the nest among the thorns of cactus plant ?
Ans.
Dove
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Q 69.
Which wavelengths of light is most effective in photosynthesis ?
Ans.
Blue.
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Q 70.
Where the Central Rice Research Institute of India is located ?
Ans.
Cuttack.
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Q 71.
Some states in India have imposed a ban on the consumption of Kesari Dal (Lathyrus sativus) because it causes gradual loss of ?
Ans.
Movement of lower limbs.
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Q 72.
How honey is formed ?
Ans.
The action of digestive juices of worker bees on nectar collected from flowers.
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Q 73.
Why some consumers think it dangerous to eat pork ?
Ans.
Pork carries tape worm infection.
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Q 74.
Name the process of refrigeration ?
Ans.
Bacteria become inactive.
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Q 75.
Name the bacteria which cause food poisoning ?
Ans.
Clostridium botulinum.
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Q 76.
The confirmatory test for HIV virus causing AIDS ?
Ans.
ELISA Test.
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Q 77.
Roughage, a necessary constituent of diet, consists largely of indigestible ?
Ans.
Carbohydrates such as cellulose and lignin.
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Q 78.
Name the branch of biology which deals with study of heredity and variation ?
Ans.
Genetics.
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Q 79.
In calves that consume large quantities of milk, the curdling of milk takes place due to ?
Ans.
The action of rennin.
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Q 80.
Name the process of study of ageing ?
Ans.
Geronotology.
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Q 81.
Why in termites the cellulose of wood digested ?
Ans.
Protozoans.
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Q 82.
Estimation of age of woody plant by counting annual ring is ?
Ans.
Dendrochronology.
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Q 83.
World environment day is celebrated on ?
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5 June.
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Q 84.
Silviculture is the branch of botany in which we study about ?
Ans.
Development of forest.
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Q 85.
The total fertility rate refers to ?
Ans.
Total number of children a woman has borne.
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Q 86.
The primary carrier's of the virus that causes the deadly chikungunya fever ?
Ans.
Aedes aegypti.
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Q 87.
Yellow proteins are also called?
Ans.
Flavoproteins.
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Q 88.
which is the study of flower called ?
Ans.
Anthology.
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Q 89.
Which science is related to the study of living organism ?
Ans.
Biology.
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Q 90.
Other name of botany ?
Ans.
Phytology.
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