Study of plant species in relation of its environmental history ___________________?

Related Mcqs:

1. A species or type of a plant derived from doubling the chromosome of the F1 hybrid of two known species is known as__________________?

   A. Autodiploid
   B. Hexaploid
   C. Autopolyploid
   D. Amphidiploid

2. A polyploidy species with genomes derived from the same original species is an_________________?

   A. Allopolyploidy
   B. Amphidiploids
   C. Annapolis
   D. Autopolyploid

3. The study of physical environment, climate and soil in relation to development of agricultural plants and yield related (production amount, quality and capability of seeds-germination), is called:

   A. Agrology
   B. Agro-Ecology
   C. Hyetology
   D. None of the above

   Submitted by: Shafiq-ur-Rehman

4. The study of physical environment, climate and soil in relation to development of agricultural plants and yield related (production amount, quality and capability of seeds-germination), is called:

   A. Agrology
   B. Agro-Ecology
   C. Hyetology
   D. None of the above

   Submitted by: Shafiq-ur-Rehman

5. Species which give out long and flexible branches, the shoot to be layered is covered with soil at several places to encourage rooting at more than one point is called ___________________?

   A. Ground layering
   B. Stool layering
   C. Serpentine layering
   D. Air layering

6. The recommended plant to plant space for chiku is __________________?

   A. 20 x 20 ft
   B. 35 x 35 ft
   C. 50 x 50 ft
   D. 100 x 100 ft

7. ____________ may be defined as the art and science of cutting away of portion of plant to improve its shape, to influence its growth, flowering and fruitfulness and to improve the quality of the product:

   A. Littering
   B. Pruning
   C. Layering
   D. Cutting

   Submitted by: Shafiq Rehman

8. The crossing of a yomozygous tall plant and a homozygous dwarf plant would yield plants in the ratio of_________________?

   A. 2 tall: 2 dwarf
   B. All homozygous dwarf
   C. All the heterozygous tall
   D. One homozygous tall, one homozygous dwarf, two heterozygous tall

9. When red tall plant is crossed with dwarf white plant all the plants of F, are found to be tall red. which of the following ratio will be available when a test cross is made_________________?

   A. 3:1
   B. 1:2:3
   C. 1:1:1:1
   D. 1:2:1

10. A normal plant suddenly started reproducing parthengentically. the number of chromosomes of the second generation compared to the parent plant will be____________________?

    A. Double
    B. One half
    C. One fourth
    D. Same