Horticulture - General Knowledge Questions and Answers

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Species of mushroom grows in humus is:/ सड़ी पत्तियों की मिट्टी में उगने वाली मशरूम की प्रजाति है:

Lepiota/लेपियोटा
Lepista/ लेपिस्टा
Morchella/ मॉरशैला
All of the above/ उपरोक्त सभी


Correct Answer :All of the above/ उपरोक्त सभी

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Powdery Mildew of Okra is caused by:

A)

F. Oxysporium


B)

E. Cichoracearum


C)

R. Solani


D)

C. Abelmoschi



Correct Answer :

E. Cichoracearum


Explanation :

Powdery mildew, caused by the species of Erysiphe cichoracearum.

Which of the following species of Rosa is native of Bengal?

A)

R. rubiginosa


B)

R. persica


C)

R. rugosa


D)

R. clinophyllia



Correct Answer :

R. clinophyllia

Cell wall of bacteria is made up of:

A)

Cellulose


B)

Peptidoglycan


C)

Chitin


D)

None of the above



Correct Answer :

Peptidoglycan


Explanation :

Bacterial cell walls are made of peptidoglycan (also called murein), which is made from polysaccharide chains cross-linked by unusual peptides containing D-amino acids.

Bacterial cell walls are different from the cell walls of plants and fungi which are made of cellulose and chitin, respectively.For different species of plants, animals, bacteria, algae, fungi have different types of cell wall structures.

Mechanism of self pollination in which flowers do not open, is known as:/ स्व परागकण की वह विधि जिसमें पुष्प नहीं खुलते है, कहलाती है:

Chasmogamy/ कॅसमोगेमी
Cleistogamy/ क्लीस्टोगेमी
Syngamy/ सिनगेमी
None of the above/ उपरोक्त कोई नहीं


Correct Answer :Cleistogamy/ क्लीस्टोगेमी

Deficiency of Molybdenum in plants causes./ पौधों में मॉलिब्डिनम की कमी के कारण होता/होती है:

Chlorosis/हरिमहीनता
Necrosis & Motling/ ऊतकक्षय
Wilting/ मुरझाना(शिथिलन)
None of the above/ उपरोक्त कोई नहीं


Correct Answer :Necrosis & Motling/ ऊतकक्षय

Implement used for churning the soil in standing water is:/ ठहरे हुए जल में मृदा का मंथन करने वाले हल को कहते है:

Meston plough/ मेस्‍टान हल
Paddy weeder/ पैडी वीडर
Roller/ रोलर
Puddler/ पडलर


Correct Answer :Puddler/ पडलर

The guard cells in stomata are connected with adjacent cells through:/ रंध्र  की रक्षक कोशिकायें समीपस्‍थ कोशिकाओं से जुड़ी रहती है

Endoplasmic reticulum/ अंतः प्रदव्ययी जालिका
Pollen tube/ परागनलिका द्वारा
Plasmodesmata/ जीवद्रव्य तंतु द्वारा
Intrinsic proteins/ अंतस्‍थ प्रोटीन द्वारा


Correct Answer :Plasmodesmata/ जीवद्रव्य तंतु द्वारा

Chlorophyll contain:/ क्लोरोफिल में संगिठत है:

4 Pyrrole rings/ 4 पायरोल रिंग
Purines / प्यूरीन
Phytic acid/ फाइटिक अम्ल
All of the above/ उपरोक्त सभी


Correct Answer :4 Pyrrole rings/ 4 पायरोल रिंग

Which of the following is fungicide?/ निम्न में से कौनसा कवकनाशी है?

Maneb/ मेनेब
Zineb/ जेनेब
Naabam/ नाबम
All of the above/ उपरोक्त सभी


Correct Answer :All of the above/ उपरोक्त सभी

Time between initial peretration of pathogen in plant and onset of symptoms is known as:/ रोगाणु के पौधों में प्रवेश करने से लेकर विभारी के प्रथम लक्षण आने तक का समय कहलाता है

Latenet period/ अव्यक्त काल
Threshold time/ प्रारम्भिक काल
Stationary phase/ स्‍थाई समय
Incubation period/ ऊष्मायन काल


Correct Answer :Incubation period/ ऊष्मायन काल

Epicotyl grafting is done in:/ बीजपत्रोपरिक कलम बांधी जाती है:

Mango/ आम
Cashew/ काजू
Apple/ सेब
Both mango and cashew /आम व काजू दोनों


Correct Answer :Both mango and cashew /आम व काजू दोनों

Shifting cultivation is also known as:/ स्‍थानांतरी जुताई को कहा जाता है:

Jhuming/ झूम कृषि
Khallu/ खल्लु
Dahiya or podo/ दहिया अथवा पोडो
All of the above/ उपरोक्त सभी


Correct Answer :All of the above/ उपरोक्त सभी

Plant parts used for mutagenesis are:/ उत्प्रेरण हेतु प्रयोग किये जाने वाला पौधे का भाग है:

Seeds/ बीज
Pollen grains/ परागकण
Buds & Cutting/ कलिका एवं कटिंग
All of the above/ उपरोक्त सभी


Correct Answer :All of the above/ उपरोक्त सभी

Exchange across cell membrane is due to:/कोशिका झिल्ली में आयन आदान प्रदान की वजह है:

Lipids/ लिपिड
Tunnel proteins / टनल प्रोटीन
Carbohydrates/ कार्बोहाइड्रेट
Globin protein / ग्लोबिन प्रोटीन


Correct Answer :Tunnel proteins / टनल प्रोटीन

Centre of origin of fenugreek is:/ मेथी की उत्पत्ती का केंद्र है:

Madagascar/ मेडागास्कर
Egypt/ मिस्र
Europe/ यूरोप
East Indies/ ईस्ट इंडीज


Correct Answer :Egypt/ मिस्र

Term ‘Enzyme’ was coined by:/ ‘एंजाइम’ शब्द किसके द्वारा दिया गया?

Robertson/ रॉबर्टसन
Kuhne/ कुन
Sumner/ सम्नर
Kunitz/कुनित्तज


Correct Answer :Kuhne/कुन

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Pipes and Cistern

Two pipes A and B can fill a tank in 6 hours and 4 hours respectively. If they are opened on alternate hours and if pipe A s opened first, in how many hours, the tank shall be full?

A large tanker can be filled by two pipes A and B in 60 min and 40 min respectively. How many minutes will it take to fill the tanker from empty state if B is used for first half of the time, and A and B fill it together for the other half?

A tank is filled by 3 pipes with uniform flow. The first two pipes operating simultaneously fill the tank in the same time during which the tank is filled by the third pipe alone. The 2nd pipe fills the tank 5 hours faster than first pipe and 4 hours slower than third pipe. The time required by first pipe is?

Two pipes A and B together can fill a cistern in 4 hours. Had they been opened separately, then B would have taken 6 hours more than A to fill the cistern. How much time will be taken by A to fill the cistern separately?

Two pipes A and B can fill a tank in 24 min and 32 min respectively. If both the pipes are opened simultaneously, after how much time B should be closed so that the tank is full in 18 min?

Two pipes A and B can fill a tank in 36 min and 45 min respectively. A water pipe C can empty the tank in 30 min. First A and B are opened. after 7 min, C is also opened. In how much time, the tank is full?

Two pipes can fill a cistern in 14 hours and 16 hours respectively. The pipes are opened simultaneously and it is found that due to leakage in the bottom it took 32 min more to fill the cistern. When the cistern is full, in what time will the leak empty it?

Bucket P has thrice the capacity as Bucket Q. It takes 60 turns for Bucket P to fill the empty drum. How many turns it will take for both the buckets P and Q, having each turn together to fill the empty drum?

Probability

In a class , 30 % of the students offered English, 20 % offered Hindi and 10 % offered Both.If a student is offered at random, what is the probability that he has offered English or Hindi?

In a lottery ,there are 10 prizes and 25 blanks.A lottery is drawn at random. what is the probability of getting a prize ?

Two dice are thrown simultaneously .what is the probability of getting two numbers whose product is even?

Two diced are tossed the probability that the total score is a prime number?

Two cards are drawn at random from a pack of 52 cards What is the probability that either both are black or both are queens?

Two dice are thrown together .What is the probability that the sum of the number on the two faces is divisible by 4 or 6?

A bag contains 6 white and 4 black balls .Two balls are drawn at random .Find the probability that they are of the same colour?

In a simultaneous throw of a pair of dice,find the probability of getting a total more than 7?

An unbiased die is tossed.Find the probability of getting a multiple of 3?

Problems on Ages

My brother is 3 years elder to me. My father was 28 years of age when my sister was born while my mother was 26 years of age when i was born. If my sister was 4 years of age when my brother was born,then what was the age my father and mother respectively when my brother was born?

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