biology general knowledge questions Answers pdf

This Mutiple Choice Questions of biology will enhance your General studies as well as competitive examination

Biology general knowledge questions Answers pdf  2021 

We  are happily sharing the best Biology general knowledge questions and answers as pdf formats this  Multiple choice Question  and answer of  Biology  are each and the every line is  extracted  from the Ncert by our biologist expert.that will enhance your NEET preparation.



Questions: In which one of the following is a natural growth inhibitors ?

a) MSCA

b) NAA

c) ABA 

d) All of these 

Answer: ABA 


Questions: In which of the following physiological effects caused in plant by gibberellic acid ?

a) Cutting of modified tree and plant

b) Genetically modified of plants 

c) Genetically simillar individuals

d) Elognation of genetically dwarf plants

Answer: Elognation of genetically dwarf plants 


Questions: Gibberellins promote?

a) dormancy of seeds

b) Leaf removal 

c) Root differentiation 

d) Seed germination

Answer: Seed germination 


Questions: Ethylene is 

a) Gases Enzymes 

b) Metabolism 

c) Gases solid hormone 

d) Gases hormone 

Answer: Gases hormone

 

Questions: Avena curvature test was first of all done by ?

a) JC Penney

b) Thomas Jefferson 

c) F W  went 

d) All of these

Answer: F W  went 


Questions: Cytokinin is a hormone whose main function is to ?

a)  Protect stem 

b) Cell membrane  maintenance 

c) Growth the nature conservancy

d) Induce Cell division

Answer: Induce Cell division 


Questions: The process of conversation of complex food substance to simple absorbed form is called ?

a) Nourishment 

b) Urecation 

c) Digestion 

d) All of these

Answer: Digestion 


Questions: An adult Human has permanent teeth ?

a) 57

b) 23

c) 32

d) 16 

Answer:  32


Questions: The number of teeth that grow twice in Human life is ?

a) 12 

b) 27 

c) 20 

d) All of these

Answer : 20 


Questions: In which of the following C4 cycle was discovered by ?

a) Calvin Klein

b) Aristotle 

c) Audduor 

d) Hatch and slack 

Answer : Hatch and slack

 

Questions: The oxygen released in photosynthesis come from  ?

a) Oxygen 

b) Nitrogen 

c) H20 

d) All of these

Answer:  H2O 


Questions: In which of the following scientists  was who find out the role of  light in the photosynthesis ?

a) Mendelian 

b) Whittekar 

c) Rustile 

d) Ingenhousz 

Answer: Ingenhousz 


Questions: Cellular respiration occur in the ?

a) Golgi apparatus 

b) Cell division 

c) Mitochondria 

d) All of these 

Answer: Mitochondria 


Question: The breakdown of glucose to pyretic acid is called ?

a) Ribosome 

b) Glycosis 

c) Glycosylation 

d) Glycogen 

Answer : Gylocysis 


Questions: Glycosis occurs in ?

a) phosphorylation 

b) Cyptoplasm 

c) Cytokinesis 

d) Cytokinin 

Answer: Cytoplasm 


Questions: Glycosis is also called ?

a) Embden- myerhof- parnas fructose

b) Hydrolysis 

c) Pyretic Acid 

d) Amino acid 

Answer: Embden- myerhof- parnas fructose


Questions: Termination acceptor of H+ and electron is ?

a) H2

b) BR 

c) N2 

d)O2 

Answer: O2


Questions: The  techniques of Growing plants in a nutrients solutions is called ?

a) Micronutrients 

b) Cultivation 

c) Cultural medium 

d) Hydroponics 

Answer: Hydroponics 


Questions: Which of the following elements are used in the synthesis of Cell wall ?

a) Chlorine 

b) sulphate 

c) Magnesium 

d) Calcium 

Answer: Calcium 




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