Botany - General Knowledge Questions and Answers - in Hindi

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Bran oil is obtained from?/ प्रान तेल किससे निकाला जाता है?

Straw/भूसे से
Husk of Paddy/चावल के भूसी से
Roots of Paddy/चावल की जड़ से
Wheat/गेहूँ से


Correct Answer :Husk of Paddy/चावल के भूसी से

Bamboos is?/बॉस क्या है?

Tree/वृक्ष
Herb/शाक
Shrub/झाड़ी
Tallest grass/सबसे ऊंची घास


Correct Answer :Tallest grass/सबसे ऊंची घास

Quinine is obtained from? / कुनेन किससे प्राप्त की जाती है?

Withania /विथेनिया से
Cinchona /सिनकोना से
Artopa /एट्रोपा से
Rauwolfia /राउवेल्फिया से


Correct Answer :Cinchona/ सिनकोना से

The algae polysiphonia is used in the extraction of? / पोली साइफोनिया शैवाल से निकाला जाता है?

Iodine/ आयोडीन
Bromine/ ब्रोमीन
Chlorine/ क्लोरीन
None of these/ इनमे से कोई नहीं 


Correct Answer :Bromine/ ब्रोमीन

Food chain starts with? / खाद्य श्रृंखला कहाँ से शुरू होती है ?

Respiration/ श्वसन से
Decomposition/अपधरन से
Photosynthesis/ प्रकाश संश्लेषण से
N2 Fixation/ नाइट्रोजन फिक्सशन से


Correct Answer :Photosynthesis/प्रकाश संश्लेषण

Acid rains contains?/ अम्ल वर्षा में क्या होता है ?

Only Sulphuric acid/केवल सल्फ्यूरिक एसिड 
Only Nitric acid/केवल नाइट्रिक एसिड 
Both Sulphuric acid and Nitric acid/दोनों सल्फ्यूरिक एसिड और नाइट्रिक एसिड 
Only hydrochloric Acid/केवल हाइड्रोक्लोरिक एसिड


Correct Answer :Both Sulphuric acid and Nitric acid/दोनों सल्फ्यूरिक एसिड और नाइट्रिक एसिड 

What is the source of O2 in photosynthesis?/ प्रकाश संश्लेषण में O2 का का स्त्रोत क्या है ?

CO2.
H2O.
PGA.
C6H12O6.


Correct Answer :H2O.

Resin is a product of:/ रेसिन किस पौधे का उत्पाद है:

Grapes/अंगूर
Coniferous/शंकुधारी
Rubber tree/रबर
Banyan tree/बरगद


Correct Answer :Coniferous/ शंकुधारी

Seed is formed from ?

A) Unfertilised ovary
B) Fertilised ovary
C) Fertilised ovule
D) Unfertilised ovule

Correct Answer : Unfertilised ovule

A water fern, which is used as a green manure in rice fields is ?

A) Salvinia
B) Mucor
C) Aspergillus
D) Azolla

Correct Answer : Azolla

Lichens are a symbiotic association of?


शैवाल(लाइकेन) _________ का सहजीवी संघ है?

A)

bread mould and green algae

/

ब्रेड मोल्ड और हरी शैवाल


B)

mushroom and green algae

/

मशरूम और हरे शैवाल


C)

yeast and green algae

/

खमीर और हरे शैवाल


D)

cyanobacteria and fungi

/

सायनोबैक्टीरिया और कवक



Correct Answer :

cyanobacteria and fungi

/

सायनोबैक्टीरिया और कवक


Explanation :

A lichen is an organism that results from a mutualistic relationship between a fungus and a photosynthetic organism. The other organism is usually a cyanobacterium or green alga. The fungus grows around the bacterial or algal cells. The fungus benefits from the constant supply of food produced by the photosynthesizer.

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