The geometrical device that helps in visnalizing all the possible combinations of male and female gametes known as____________________?

Related Mcqs:

1. If a plant is heterozygousand is designated (BbMm)and produces two kinds of gametes either (BM)or (bm), then the possibility of (bm) gametes fertilizing either (BM) or (bm) is_________________?

   A. Half
   B. 0/1
   C. 1/1
   D. 1/4

2. A phenomenon of fusion of male and female gametes is known_______________?

   A. Gamete formation
   B. Fertilization
   C. Interaction
   D. All the above

3. Formation of male and female gametes in the flower is called__________________?

   A. Zygote formation
   B. Gametogenesis
   C. Fertilization
   D. REproduction

4. Mating system in which each female gamete () with every male gamete is known as____________________?

   A. Genetic assortative mating
   B. Genetic disassortative mating
   C. Random mating
   D. None of the above

5. The union of the second male gametes with polar nuclei is called_______________?

   A. Fertilization
   B. Double fertilization
   C. Both a & b
   D. non of these

6. If the cell of an organism (heterozygous) for two pairs of genes represented by Aa, Bb, undergoes meiosis then the possible genotype of gametes are________________?

   A. AB, ab
   B. Ab, ab
   C. AB, Ab, aB, ab
   D. Data insufficient

7. The recommended ratio of male the recommended of male rows to female rows in hybrid bajra production is_________________?

   A. 2 to 4
   B. 1 to 2
   C. 4 to 8
   D. 3 to 6

8. When an albino plant of maize (female) is crossed with normal green plant (male) all plants in the progeny are albino because___________________?

   A. Albinism is dominant over green characters
   B. Green plastids of male parent become nitrated
   C. Plastids are inherited through maternal parents
   D. Crossing over results in structural changes in green plastids

9. Parthenogenetic reproduction in which both male and female offspring are produced from unfertilized eggs:

   A. Amphitoky
   B. Anholocyclic
   C. Ambulacrum
   D. None of the above

   Submitted by: Shafiq Rehman

10. The experimental design which control fertility variation in one direction is known as____________________?

    A. RBD
    B. SPD
    C. AD
    D. LSD