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Study of floral characters and timing of...

Study of floral characters and timing of processes involved in fertilization in natural condition is called :

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anthesis
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Read the following statements and choose the correct option. (A) Increase in melanized moths after industrialization in Great Britain is a proof for natural selection. (B) When more individuals of a population acquire a mean character value, it is called disruption. (C ) Changes in allelic frequency in a population will lead to Hardy-Weinberg equilibrium (D) Genetic drift changes the existing gene or allelic frequency in future generations

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Seed formation without fertilization in flowering plants involves the process of:

Study following statements regarding the preparation of herbarium sheets. (i) Plant should be collected in flowering stage. (ii) Every detail regarding the plant such sa locality, ecological conditions, vegetative and floral characters, etc. should be noted. (iii) Plants are evenly pressed by unfolding all the plant parts between blotting papers (or newspapers) with the help of plant pressers. (iv) Blotting papers need not be changed until the plant gets dried. (v) After drying, the plant specimen is carefully mounted/pasted on the herbarium sheets. (vi) The herbarium sheet is labelled on the lower right hand corner representing the number of plant specimen, data of collection, etc. Which of the above statements is/are correct ?

Female gamete undergoes development to form new organisms without fertilization. The process is called parthenogenesis. It occurs in:

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MBD PUBLICATION-IMPROVEMENT IN FOOD PRODUCTION-QUESTION BANK
  1. Removal of stamens flower before the anthers mature ?

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  2. Superioority of the hybrid over both the parents in respect of one or ...

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  3. Study of floral characters and timing of processes involved in fertili...

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  4. Process of crossing between genetically dissimliar organisms.

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  5. is the odlest palnt breeding method practised for crop improvement.

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  6. Vegetatively propagted plant are selected by method.

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  7. Pure line selection is used in pollined crop.

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  8. Triticale is a hybrid betweeen wheat and .

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  9. Artificially induced are useful in hybridization programme.

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  10. is a hybrid between radish and cabbage.

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  11. Plant selection is usally based on physiological characters.

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  12. Clonal selection is applied in cross pollinated crops.

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  13. Raphanobrassica is an example of intraspecific hybridization.

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  14. During plant breeding programme , emasculation is followed by pollinat...

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  15. If the hybrid do not passes some of the desired characters of parent, ...

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  16. Bread wheat is a naturally occuring autoteraploid.

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  17. DISTINGUISH BETWEEN : Mass selection and pure line selection

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  18. DISTINGUISH BETWEEN : Hybrid vigour and inbreeding depression.

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  19. Identify the edible fresh water teleost?

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  20. Earliest animal to be domesticated by primaitve man is :

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