In each pollen sacs a large number of pollens or microspores are produced by

A Mitosis
B Meiosis
C Regeneration
D Fragmentation

Correct Answer: Meiosis

In a process called microsporogenesis, four haploid microspores are produced from each diploid sporogenous cell (microsporocyte, pollen mother cell or meiocyte), after meiotic division. After the formation of the four microspores, which are contained by callose walls, the development of the pollen grain walls begins.
Bissoy MCQ
#General Knowledge #Biology

Related Questions

In most plants and animals, the fluid filled sacs or cisternae of Golgi Bodies may vary from
A 1 to 2
B 2 to 3
C 3 to 7
D 7 to 10
Closely stacked flattened sacs (plants only) is called
A Vacuoles
B Lysosomes
C Golgi apparatus
D None of the above
A tailor had a number of shirt pieces to cut from some large pieces of fabric. He cut each large piece into 10 smaller pieces. He cut at the rate of 45 cuts per minute . How many large pieces would be cut in 24 minutes?
A 32
B 54
C 108
D 120
A tailor had a number of shirt pieces to cut from large piece pieces of fabric. He cut each large piece into 10 smaller pieces. He cut at the rate of 45 cuts per minute. How many large pieces would be cut in 24 minutes?
A 32
B 54
C 108
D 120
In a new production process, the number of units produced during the first week was 450. If the efficiency gradually increase so that 10 additional units can be produced each week, how many will be produced in the 10th week?
A 490
B 700
C 540
D 640
Pollen grains in plants are produced in
A Flower
B Stem
C Roots
D Leaves
Pollen is produced by the process of
A Mitosis
B Pollination
C Meiosis
D Fertilization
Each stamen has a slender stalk or filament at the top of which a pollen bearing organ is present.
A Stigma
B Anther
C Filament
D Ovary
2 large and 1 small pumps can fill a water tank in 4 hours. 1 large and 3 small pumps can also fill the same water tank in 4 hours . How many hours will it take for 3 large 4 small pumps to fill the tank?
A 2 hours
B 2.5 hours
C 3 hours
D 3.5 hours
2 large and 1 small pumps can fill a water tank in 4 hours. One large and 3 small pumps can also fill the same water tank in 4 hours. how many hours will it take for 3 large and 4 small pumps to fill the tank?
A 2 hours
B 2.5 hours
C 3 hours
D 3.5 hours

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