सामान्य कृषि एवं सांख्यिकी Practice Questions (Q36-40) - Plant Sciences

ICAR PG Plant Sciences 29 Jun 2024Shift 1

MCQ (Single Correct) +4 −1

National Insect Museum (NIM) is situated in which city?

राष्ट्रीय कीट संग्रहालय (National Insect Museum / NIM) किस शहर में स्थित है?

Delhi दिल्ली Chennai चेन्नई Bengaluru बैंगलोर Hisar हिसार

ICAR PG Plant Sciences 29 Jun 2024Shift 1

MCQ (Single Correct) +4 −1

Number of National Bureaus under ICAR system at present is

वर्तमान में आईसीएआर (ICAR) प्रणाली के अंतर्गत राष्ट्रीय ब्यूरो (National Bureaus) की कुल संख्या कितनी है?

5 5 6 6 7 7 8 8

ICAR PG Plant Sciences 29 Jun 2024Shift 1

MCQ (Single Correct) +4 −1

Which of the following is a common strategy used by seeds to survive harsh environmental conditions?

कठोर पर्यावरणीय परिस्थितियों में जीवित रहने के लिए बीजों द्वारा उपयोग की जाने वाली एक सामान्य रणनीति निम्नलिखित में से कौन सी है?

Rapid germination तीव्र अंकुरण Deep burial गहरा दफन Dormancy प्रसुप्ति High metabolic activity उच्च उपापचयी गतिविधि

ICAR PG Plant Sciences 29 Jun 2024Shift 1

Match the Following +4 −1

Match List-I with List-II:

Choose the correct answer from the options given below:

सूची-I को सूची-II के साथ सुमेलित कीजिए:

नीचे दिए गए विकल्पों में से सही उत्तर चुनिए:

List - I		List - II
A	Promoter प्रमोटर	I	Produces repressor protein दमनकारी प्रोटीन का उत्पादन करता है
B	Operator ऑपरेटर	II	Site where repressor binds वह स्थल जहाँ दमनकारी बंधता है
C	Structural gene संरचनात्मक जीन	III	Code for functional proteins कार्यात्मक प्रोटीनों के लिए कूटबद्ध करता है
D	Regulatory gene नियामक जीन	IV	Binding site for RNA polymerase आरएनए पोलीमरेज़ के लिए बंधन स्थल

(A) - (IV), (B) - (II), (C) - (III), (D) - (I) (A) - (IV), (B) - (II), (C) - (III), (D) - (I) (A) - (III), (B) - (I), (C) - (II), (D) - (IV) (A) - (III), (B) - (I), (C) - (II), (D) - (IV) (A) - (IV), (B) - (III), (C) - (I), (D) - (II) (A) - (IV), (B) - (III), (C) - (I), (D) - (II) (A) - (II), (B) - (III), (C) - (IV), (D) - (I) (A) - (II), (B) - (III), (C) - (IV), (D) - (I)

Functional Components of a Bacterial Operon:

Promoter $\rightarrow$ (IV). Binding site for RNA polymerase: The DNA sequence upstream of the transcription initiation site where RNA polymerase holoenzyme recognizes and binds to begin transcription.
Operator $\rightarrow$ (II). Site where repressor binds: The regulatory DNA segment situated between the promoter and structural genes that physically interacts with the repressor protein to block or permit RNA polymerase transit.
Structural gene $\rightarrow$ (III). Code for functional proteins: The cistronic reading frames (lacZ, lacY, lacA) that transcribe polycistronic mRNA translating into functional enzymes.
Regulatory gene (lacI) $\rightarrow$ (I). Produces repressor protein: Constitutively transcribed gene encoding the lac repressor protein.

Matching sequence: (A) - (IV), (B) - (II), (C) - (III), (D) - (I).
Correct Answer: Option 1.

विस्तृत व्याख्या:

Functional Components of a Bacterial Operon (ऑपेरॉन के घटक एवं कार्य):

Promoter $\rightarrow$ (IV). Binding site for RNA polymerase: The DNA sequence upstream of the transcription initiation site where RNA polymerase holoenzyme recognizes and binds to begin transcription.
Operator $\rightarrow$ (II). Site where repressor binds: The regulatory DNA segment situated between the promoter and structural genes that physically interacts with the repressor protein to block or permit RNA polymerase transit.
Structural gene $\rightarrow$ (III). Code for functional proteins: The cistronic reading frames (lacZ, lacY, lacA) that transcribe polycistronic mRNA translating into functional enzymes.
Regulatory gene (lacI) $\rightarrow$ (I). Produces repressor protein: Constitutively transcribed gene encoding the lac repressor protein.

Matching sequence: (A) - (IV), (B) - (II), (C) - (III), (D) - (I).
Correct Answer: Option 1.

Explanation not matching this question? क्या व्याख्या इस प्रश्न से मेल नहीं खा रही? Report

ICAR PG Plant Sciences 29 Jun 2024Shift 1

MCQ (Single Correct) +4 −1

Which of the following are important varieties of sugarcane?

(A) Co 0238

(B) CoPb 94

(C) LRA 5166

(D) Co 86032

(E) Karan 9

Choose the correct answer from the options given below:

निम्नलिखित में से कौन गन्ने (sugarcane) की महत्वपूर्ण किस्में हैं?

(A) Co 0238 (करण 4)

(B) CoPb 94

(C) LRA 5166

(D) Co 86032 (नयना)

(E) Karan 9 (Co 05011)

नीचे दिए गए विकल्पों में से सही उत्तर चुनिए:

(A), (B), (D) and (E) only केवल (A), (B), (D) और (A), (B) and (D) only केवल (A), (B) और (D) (B), (C) and (E) only केवल (B), (C) और (A), (B), (C) and (E) only केवल (A), (B), (C) और

Sugarcane Cultivars in India:

Co 0238 (Karan 4): The wonder sugarcane variety bred by Dr. Bakshi Ram at ICAR-SBI Regional Centre Karnal that revolutionized sugar production in subtropical India (occupying $\gt 70\%$ area in UP).
CoPb 94: High-yielding early maturing sugarcane variety released by PAU Ludhiana / ICAR-SBI for the North-West zone.
Co 86032 (Nayana): The premier 'wonder cane' of peninsular India bred by ICAR-SBI Coimbatore, occupying majority acreage in Maharashtra and Tamil Nadu.
Karan 9 (Co 05011): High-yielding mid-late sugarcane variety released by ICAR-SBI Karnal.
In contrast, (C). LRA 5166 is a famous ruling variety of Cotton (Gossypium hirsutum), NOT sugarcane.

Therefore, (A), (B), (D), and (E) are sugarcane varieties. Correct Answer: Option 1 ((A), (B), (D) and (E) only).

विस्तृत व्याख्या:

Sugarcane Cultivars in India (भारत में गन्ने की प्रमुख किस्में):

Co 0238 (Karan 4): The wonder sugarcane variety bred by Dr. Bakshi Ram at ICAR-SBI Regional Centre Karnal that revolutionized sugar production in subtropical India (occupying $\gt 70\%$ area in UP).
CoPb 94: High-yielding early maturing sugarcane variety released by PAU Ludhiana / ICAR-SBI for the North-West zone.
Co 86032 (Nayana): The premier 'wonder cane' of peninsular India bred by ICAR-SBI Coimbatore, occupying majority acreage in Maharashtra and Tamil Nadu.
Karan 9 (Co 05011): High-yielding mid-late sugarcane variety released by ICAR-SBI Karnal.
In contrast, (C). LRA 5166 is a famous ruling variety of Cotton (Gossypium hirsutum), NOT sugarcane.

Therefore, (A), (B), (D), and (E) are sugarcane varieties. Correct Answer: Option 1 ((A), (B), (D) and (E) only).

Explanation not matching this question? क्या व्याख्या इस प्रश्न से मेल नहीं खा रही? Report