Botany - General Knowledge Questions and Answers

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Dalchini is? / दालचीनी है?

Leaf/ पत्ती
Root/ जड़
Bark/ छाल
Stem/ तना


Correct Answer :Bark/ छाल

Tuberculosis is caused by?/ तपेदिक रोग किससे होता है?

Bacteria/ जीवाणु से
Virus/ विषाणु से
Fungi/कवक से
Mycoplasma/ माइकोप्लाज्मा से


Correct Answer :Bacteria/ जीवाणु से

Late blight of potato is caused by? / आलू में उत्तरभावी अंगमारी रोग किससे होता है?

By Alternaria/ आल्टरनेरिया के द्वारा
By Phytophthora/ फाइटोफ्थोरा के द्वारा
By Albugo/ एद्बगो के द्वारा
By Puccini/ पक्सीनिया के द्वारा


Correct Answer :By Phytophthora/ फाइटोफ्थोरा के द्वारा

Agar Agar is obtained from?

A)

Gelidium


B)

Polysiphonia


C)

Sargassum


D)

Fucus



Correct Answer :

Gelidium


Explanation :

agar, also called agar-agar, gelatin-like product made primarily from the red algae Gelidium and Gracilaria

In which trees are Prop roots found?/ सहारा जड़े किस पेड़ में पाई जाती है?

Mango tree /आम के पेड़ में
Banyan tree /बरगद के पेड़ में
Gulmohar tree /गुलमोहर के पेड़ में
Guava tree /अमरूद के पेड़ में


Correct Answer :Banyan tree /बरगद के पेड़ में

Conjoint,collateral and open vascular bundle is the characteristics of?/ संयुक्त, कोलेम्ल तथा खुले हुये संवहनपूल किसके लक्षण है?

Monocot root/एकबीज पत्रीय जड़
Monocot stem/एकबीज पत्रीय तना
Dicot stem/द्विबीजपत्रीय तना
Dicot root/द्विबीजपत्रीय जड़


Correct Answer :Dicot stem/द्विबीजपत्रीय तना

Syngenesious cohesion of stamen is found in?/ सिनिजनेसिकस कोहेजन किसके पुंकेसर में पाई जाती है?

Coriander/धनिया
Helianthus/सूरजमुखी
Datura/धतूरा
Mustard/सरसो

.
Correct Answer :Helianthus/सूरजमुखी

Which organelle is called the ‘power house’ of the cell?/ किस कोशिकांग को कोशिका का ‘शक्तिग्रह’ कहते है?

Endoplasmic reticulum/अन्तः प्रदव्ययी जलिका 
Chloroplast/क्लोरोप्लास्ट 
Nucleus/न्यूक्लियस
Mitochondria/माइटोकॉन्ड्रिया


Correct Answer :Mitochondria/माइटोकॉन्ड्रिया

Plasma membrane is made up of?

A)

Lipid


B)

Protein


C)

Lipid & Protein both


D)

Starch



Correct Answer :

Lipid & Protein both


Explanation :

The main components of the plasma membrane are lipids, proteins, and carbohydrate groups of the membrane.

Polytene Chromosome are found in?/ पोलीटीन गुणसूत्र (लार ग्रन्धि) किसमें पाया जाता है?

Salivary gland of insects/कीट की लार ग्रन्धि में
Egg cells/अण्ड कोशिका में
Ooceytes/ऊसाइट्स में
Somatic cells/ दैहिक कोशिकाओं में


Correct Answer :Salivary gland of insects/कीट की लार ग्रन्धि में

Which one is not found in DNA?/ निम्न में से DNA में क्या नहीं पाया जाता है?

Adenina/एडिनाइन
Cytosin/साइटोसाइन
Uracil/यूरेसिल
Couanine/ग्वानीन


Correct Answer :Uracil/यूरेसिल

In which form plants, obtain nitrogen from soil?/ पौधे मिट्टी से नाइट्रोजन किस रूप में ग्रहण करते है?

Nitric acid/नाइट्रिक एसिड
NO3
NO2
Free N2/मुक्त नाइट्रोजन


Correct Answer :NO3

Water available to plant is?/पौधो को मिलने वाला जल कौन सा होता है?

Hygroscopic water/ आर्द्रताग्राही जल
Gravitational water/गुरूत्वीय जल
Capillary water/केशिकत्व जल
Chemically combined water/रासायनिक संयोजित जल


Correct Answer :Capillary water/केशिकत्व जल

The seed that require light for germination is called?/ किस बीज को अंकुरण के लिये प्रकाश की आवश्यकता होती है?

Inactive seed/अक्रिय बीज
Photo blastic seed/फोटो फ्लास्टिक बीज
Dormant seed/सुसुप्त बीज
Active seed/सक्रिय बीज


Correct Answer :Photo blastic seed/फोटो फ्लास्टिक बीज

Which part is affected by Fluoride pollution? फ्लोराइड प्रदूषण से मुख्यतः क्या प्रभावित होता है?

Teeth/दाँत
Brain/दिमाग
Kidney/किडनी
Heart/ह्दय


Correct Answer :Teeth/ दाँत

Soil conservation is performed by?/मृदा संरक्षण कैसे किया जाता है?

By plantation/पेड़ लगाकर
By cutting trees/पेड़ काटकर
Excessive grazing/अत्यधिक
By heavy irrigation/अत्यधिक सिंचाई


Correct Answer :By plantation/पेड़ लगाकर

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