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Recent questions tagged biology

There are 25 flowers in an inflorescence of Allium. Each anther lobe of every stamen contains 60 pollen grains. What is the total number of pollen grains produced in its inflorescence?

asked Oct 2, 2013 by thanvigandhi_1

1 answer

Identify the correct combination of characters found in cucurbita

asked Oct 2, 2013 by thanvigandhi_1

1 answer

The type of inflorescence in a plant showing polygamous condition and lateral styles is

asked Oct 2, 2013 by thanvigandhi_1

1 answer

Identify the wrong statement

asked Oct 2, 2013 by thanvigandhi_1

1 answer

Study the following lists

asked Oct 2, 2013 by thanvigandhi_1

1 answer

Study the following lists

asked Oct 2, 2013 by thanvigandhi_1

1 answer

Assume that blue flower of a plant is dominant character over white. When a blue flowered plant is crossed with white flowered plant, the progeny showed 50% of plants with blue flowers and 50% of plants with white flowers. The genotypes of blue and white parents respectively are

asked Oct 2, 2013 by thanvigandhi_1

1 answer

Entry of pollen tube into the ovule through chalaza was discovered by Treub in a Xerophyte. This plant is associated with a pair of characters given below

asked Oct 2, 2013 by thanvigandhi_1

1 answer

Study the following lists

asked Oct 2, 2013 by thanvigandhi_1

1 answer

Collocytes which provide mechanical strength in the plants are present in

asked Oct 1, 2013 by thanvigandhi_1

1 answer

Study the following lists

asked Oct 1, 2013 by thanvigandhi_1

1 answer

Identify the correct pair of statements from the following

asked Oct 1, 2013 by thanvigandhi_1

1 answer

The cell organelle bounded by single unit membrane which was first reported by Rhodin is involved in the following reaction :

asked Oct 1, 2013 by thanvigandhi_1

1 answer

In a DNA fragment, there are 8 turns, with 40% of the bases are cytosine. What would be the total number of hydrogen bonds present in this DNA fragment?

asked Oct 1, 2013 by thanvigandhi_1

1 answer

Study the following lists

asked Oct 1, 2013 by thanvigandhi_1

1 answer

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