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- Question 1 of 20
Transmission Electron Micrograph of fungal cell can usually be distinguished from plant cell due to lack of P and having less abundant Q. Find the correct combination of P and Q.CorrectIncorrect
- Question 2 of 20
Identify the CORRECT answer
RNA interference (RNAi)
P. is an event of post transcriptional gene silencing
Q. works through RNA induced silencing complexCorrectIncorrect
- Question 3 of 20
Find the odd one outCorrectIncorrect
- Question 4 of 20
Plantibody is theCorrectIncorrect
- Question 5 of 20
In a typical oil-seed crop, the matured seeds are enriched withCorrectIncorrect
- Question 6 of 20
Match the following products (Column I) with the corresponding plant species (Column II )
Column I Column II
P. Saffron 1. Garcinia sp.
Q. Gamboge 2. Rocella tinctoria
R. Litmus 3. Crocus sativus
S. Turmeric 4. Curcuma sp.CorrectIncorrect
- Question 7 of 20
The semi-dwarf trait of corn, wheat and rice plants used in breeding program during 1960s resulted in green revolution. Later this ‘green-revolution gene’ has been identified to be involved in either signal transduction pathway or biosynthesis ofCorrectIncorrect
- Question 8 of 20
In classical model to explain the plant-pathogen interaction, the host will not develop the disease upon the pathogen attack whenCorrectIncorrect
- Question 9 of 20
Select the CORRECT combination from the promoter (Column I), transcription machinery used (Column II) and target tissue type (Column III) to express a foreign gene in a plant system.
Column I Column II Column III
P. Ubiquitin 1. Chloroplast i. Leaf
Q. Napin 2. Nucleus ii. Seed
R. RbcL 3. Mitochondria
- Question 10 of 20
In a plant species, flower colour purple is dominant over white. One such purple-flowered plant upon selfing produced 35 viable plants, of which 9 were white-flowered and the rest were purpleflowered.What fraction of these purple-flowered progeny is expected to be pure purple-flowered
- Question 11 of 20
Match the nuclei status of mutant plant (Column-I) with the typical chromosome number (Column- II), when the wild type plant species is having 2N = 46 chromosomes.
P. Trisomic 1. 23
Q. Triploid 2. 45
R. Monosomic 3. 47
S. Monoploid 4. 69CorrectIncorrect
- Question 12 of 20
Match the following reporter genes used in plant transformation experiments with the source of gene and detection/assay system Reporter gene Source of gene Detection/assay
P. β-glucuronidase 1. Aequorea victoria i. Radioactive assay
Q. Green fluorescence protein 2. Photinus pyralis ii. Fluorimetric
R. Luciferase 3. E. coli iii. Fluorescence
S. Chloramphenicol acetyl transferase iv. LuminescenceCorrectIncorrect
- Question 13 of 20
Find the CORRECT statements in the context of Global warming effect on plant photosynthesis.
P. Decreasing aqueous solubility of dissolved CO2 compared to dissolved O2
Q. Decreasing oxygenase activity of Rubisco relative to carboxylation
R. Enhancing the ratio of CO2 to O2 in air equilibrated solution
S. Increasing photorespiration relative to photosynthesisCorrectIncorrect
- Question 14 of 20
Statements given below are either TRUE (T) or FALSE (F). Find the correct combination.
P. Regulation of cell cycle progression depends on cyclin dependent kinase (CDK) and protease activity.
Q. In photosynthesis, oxidation of water produces O2 and releases electrons required by photosystem I (PSI).
R. Photorespiratory reaction occurring in oxidative photosynthetic carbon (C2) pathway involves a cooperative interaction among three organelles: chloroplast, peroxisome and mitochondria.
S. Ethylene acts as a promoter of senescence and cytokinins act as a senescence antagonist.CorrectIncorrect
- Question 15 of 20
Match the definition (Column I) with the type of plant community (Column II)
Column I Column II
P. The process of occupation of a particular area by different plant communities from their birth to maturity 1. Formation
Q. A major ecological unit of vegetation 2. Consociation
R. A smaller unit of plant association 3. Faciation
S. A subdivision of plant association which is related to minor differences in temperature and moisture relations 4. Plant successionCorrectIncorrect
- Question 16 of 20
Nuclear membrane is absent inCorrectIncorrect
- Question 17 of 20
An organized and differentiated cell having cytoplasm but no nucleus is found inCorrectIncorrect
- Question 18 of 20
Double haploids in plants can be induced byCorrectIncorrect
- Question 19 of 20
Which of the following techniques in not applicable for evaluating the expression of transgene?CorrectIncorrect
- Question 20 of 20
Which of the following reduces the the transpiration rate when applied to aerial parts of plants?CorrectIncorrect