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A bilobed, dithecous anther has 100 micr...

A bilobed, dithecous anther has 100 microspore mother cells per microsporangium. How many male gametophytes this anther can produce ?

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To solve the problem of how many male gametophytes a bilobed, dithecous anther can produce, we can follow these steps: ### Step-by-Step Solution: 1. **Understand the Structure of the Anther**: - A bilobed, dithecous anther has two lobes, and each lobe contains two microsporangia. Therefore, there are a total of four microsporangia in the anther. 2. **Identify the Number of Microspore Mother Cells**: ...
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XII BOARD PREVIOUS YEAR PAPER ENGLISH-XII BOARDS-SECTION-A
  1. A bilobed, dithecous anther has 100 microspore mother cells per micros...

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  2. Mention two functions of the codon AUG.

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  3. Name the scientist who disproved spontaneous generation theory.

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  4. What is it that prevents a child to suffer from a disease he/she is va...

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  5. Why is the enzyme cellulase needed for isolating genetic material from...

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  6. Name a molecular diagnostic technique to detect the presence of a path...

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  7. If 8 individuals in a laboratory population of 80 fruit flies died in ...

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  8. Mention one positive and one negative application of amniocentesis.

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  9. An anther with malfunctioning tapetum often fails of produce viable ma...

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  10. How do animals like fish and snails avoid summer related unfavorable c...

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  11. "Sweet potato tubers and potato tubers are the result of convergent ev...

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  12. Our government has intentionally imposed strict conditions for M.T.P. ...

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  13. State the fate of a pair of autosomes during gamete formation.

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  14. What role does an individual organisms play as per Darwin's theory of ...

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  15. Suggest a method to ensure an anamnetic response in humans.

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  16. Name and describe any three causes of biodiversity losses.

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  17. Mention the site where syngamy occurs in amphibians and reptiles respe...

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  18. How is snow-blindness caused in humans ?

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  19. Name one autosomal dominant and one autosomal recessive. Mendelian dis...

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  20. How is the action of exonuclease different from that of endonuclease ?

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