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স্পোরোফাইটিক জনুর (Sprophytic generation) কোষে ক্রমোজমের সংখ্যা কয়টি?

সঠিক উত্তর: 2n
স্পোরোফাইট (/spèroèfaèt/) উদ্ভিদ বা শৈবালের জীবন চক্রের একটি ডিপ্লয়েড বহুকোষী পর্যায়। এটি একটি জাইগোট থেকে বিকশিত হয় যা একটি হ্যাপ্লয়েড ডিম্বাণু (n) ও একটি হ্যাপ্লয়েড শুক্রাণু (n) দ্বারা নিষিক্তকরণের মাধ্যমে উৎপন্ন হয় এবং প্রতিটি স্পোরোফাইট কোষে তাই দ্বিগুণ সেট ক্রোমোজোম (2n) থাকে।

Generation Xers are those people born roughly between 1965 and 1981. As employees, Generation Xers tend to be more challenged when they can carry out tasks independently. This makes Generation Xers the most entrepreneurial generation in history.
This paragraph best supports the statement that Generation Xers

One bacterium splits into eight bacteria of the next generation. But due to environment, only 50% of one generation can produced the next generation. If the seventh generation number is 4096 million, what is the number in first generation?

Generation X refers to people born roughly between 1965 and 1981 Employees of Generation X tend to be successful when they can carry out task independndy. This makes Generation X the most entrepreneurial generation in history. Which of the following statements is best supported by the paragraph?

A man has 'n' magical eggs whose average weight is 'k' gm. Each of the 'n' eggs produces 'n' eggs next day such that the average weight of 'n' eggs produced is same as that of the parental egg for each 'n' groups individually i.e. each egg produces 'n' eggs of next generation and average weight of all the 'n' eggs of next generation is same as the weight of the mother egg. This process is continued without any change in pattern. What is the total weight of all the eggs of rth generation, where the initial number of eggs with man are considered as the eggs of first generation.

In the following passage some of the words have been left out. Read the passage carefully and select the correct answer for the given blank out of the four alternatives. The generation gap is another of those characteristic features that set Homo sapiens apart from other animals. It is ______ if ever the most intelligent of apes ever blamed its juniors for their ______ ways! Over the years people have tried to analyse it, explain it, understand it, even ignore it, but it remains, ready to ______ each generation as it tries to ______ its own ______ about life and living. ready to ______ each generation

The question below consists of a set of labelled sentences. These sentences, when properly sequenced form a coherent paragraph. Select the mostlogical order of sentences from among the options. P: They feel that during their time, young boys and girls were better behaved, more obedient, and had greater respect for their elders.
Q: Young people on the other hand, feel that they are capable enough to learn on their own rather than lean heavily on the older generation for any guidance.
R: The people belonging to the older generation always wonder as to what has gone wrong with the new generation.
S: They feel that a lack of respect for the old will ruin and spell disaster for the young.

স্পোরোফাইটিক উদ্ভিদের ক্যাপসিউল অংশ-

মস উদ্ভিদের স্পোরোফাইটিক জনু কোনটি?

মস উদ্ভীদের স্পোরোফাইটিক জনূ কোনটি?

একটি অ্যামোনিয়াম আয়ন (NH4+) - এ বিদ্যমান নিউট্রনের সংখ্যা কত? দেওয়া আছে -[N -এর ভর সংখ্যা (A)=14 পারমাণবিক সংখ্যা (Z)=7;H-এর ভর সংখ্যা(A)=1, পারমাণবিক সংখ্যা (Z)=1]