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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 31.
Mumps is a disease caused by ?
Ans.
Virus
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Q 32.
Nymph is the name of young one of ?
Ans.
Cockroach
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Q 33.
Most abundant tissues of our body are ?
Ans.
Muscular
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Q 34.
Most common disease of poultry in India is ?
Ans.
Ranikhet
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Q 35.
Outer covering of virus made up of protein is ?
Ans.
Capsid
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Q 36.
Organic substances which in very small amounts control growth and development called ?
Ans.
Hormones
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Q 37.
Norepinephrine increases as ?
Ans.
Blood pressure
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Q 38.
Poison glands of snakes are homologous to ?
Ans.
Salivary glands of vertebrates
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Q 39.
Monotremes are unique mammals because they ?
Ans.
Lay eggs
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Q 40.
Plants growing on sand are called as ?
Ans.
Psammophytes
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Q 41.
Most of the red, blue and purple colours of plants are due to a pigment called ?
Ans.
Anthocyanin
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Q 42.
Prothrombin which helps in clotting of blood is released by ?
Ans.
Blood platelets
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Q 43.
O2 released in the process of photosynthesis comes from
Ans.
Water
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Q 44.
Most highly intelligent mammals are ?
Ans.
Dolphins
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Q 45.
Process of cell division can take place by ?
Ans.
Mitosis
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Q 46.
The average salinity of sea water is ?
Ans.
3.5%
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Q 47.
Which is called physical basis of life ?
Ans.
Protoplasm
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Q 48.
A substance needed by the body for growth, energy, repair and maintenance is called ?
Ans.
Nutrient
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Q 49.
Which is essential for preventing dental caries ?
Ans.
Fluorine
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Q 50.
The water- soluble photosynthesis pigment is ?
Ans.
Anthocyanin
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Q 51.
Where does the light reaction takes place ?
Ans.
Grana
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Q 52.
Kranz anatomy is found in the leaves of ?
Ans.
Sugarcane
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Q 53.
The optimum temperature for photosynthesis is ?
Ans.
20-25 degree
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Q 54.
Photosynthesis occurs in ?
Ans.
Chloroplast
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Q 55.
The most abundant protein in the animal world is ?
Ans.
Collagen
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Q 56.
Macromolecule chitin is ?
Ans.
Nitrogen containing polysaccharide
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Q 57.
When a body is stationary this statement is true ?
Ans.
The combination of forces acting on it balance each other
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Q 58.
The difference between protoplasm and cell sap was given by ?
Ans.
Hugo Von Mohl
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Q 59.
Cells of multicellular organism are usually ?
Ans.
Polyhedral
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Q 60.
Which unicellular organism does not possess the organised nucleus ?
Ans.
Bacteria
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