Plant Breeding And Genetics Quiz

Quiz 1

1) Who among the following rediscovered Mendel’s laws of genetics?
(A) De Vries
(B) Carl Correns
(C) Tschermark
(D) All of the above
Correct Answer :­ All of the above

2) For genetical units, Mendel used the word _______ and Correns called them as _______.
(A) Factors, Elements
(B) Elements, Factors
(C) Gene, Exon
(D) Exon, Gene
Correct Answer : ­Elements, Factors  

3) Altman (1892), referred to the mitochondria as­
(A) Bioplast
(B) Power house of cell
(C) Thermoplast
(D) None of above
Correct Answer :­ Bioplast  

4) The genetic code (Triplet) is­
(A) Degenerate
(B) Ambiguous
(C) Degenerate and Ambiguous both
(D) None of above
Correct Answer :­ Degenerate 

5) A triplet genetic code was first suggested by.
(A) Johansson
(B) Gamow
(C) Watson
(D) Crick
Correct Answer :­ Gamow 

6) Watson & Crick (1953), explained double helical structure of DNA with the help of­
(B) X­ray diffraction
(C) Thermocycler
(D) Southern Blotting
Correct Answer :­ X­ray diffraction  

7) In a double helical DNA molecule the two helices have a distance of­
(A) 3.4 
(B) 20 
(C) 34 
(D) 10 
Correct Answer :­34   

8) Temin and Baltimore (1975), discovered reverse transcription in­
(B) Rous Sarcoma Virus
(C) Hepatitis­ B Virus
(D) None of above
Correct Answer :­Rous Sarcoma Virus  

9) Euchromatin region of chromosomes is considered genetically active because is this region­
(A) Transcription of RNA from DNA takes place
(B) Darker Staining takes place
(C) Lighter staining taker place
(D) All of the above
Correct Answer :­Transcription of RNA from DNA takes place
10) Diploid number of chromosome is Ophioglossum is.
(A) 1600
(B) 1262
(C) 631
(D) 2400

Correct Answer :­1262 

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Plant Pathologists are scientists concerned with the understanding of the
Plant Breeding And Genetics Quiz
dynamic processes involved in the plant health. Plant Pathology is defined as the study of the organisms and environmental conditions that cause disease in plants, the mechanisms by which this occurs, the interactions between these causal agents and the plant (effects on plant growth, yield and quality), and the methods of managing or controlling plant disease. Plant breeding has been practiced for thousands of years, since near the beginning of human civilization. It is practiced worldwide by individuals such as gardeners and farmers, or by professional plant breeders employed by organizations such as government institutions, universities, crop-specific industry associations or research centers.
Key Word:- Plant Breeding And Genetics Quiz

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