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পেনিসিলিন আবিষ্কার করেন ______

সঠিক উত্তর: আলেকজান্ডার ফ্লেমিং
পেনিসিলিন হলো একটি অ্যান্টিবায়োটিক গ্রুপ। এদেরকে সাধারণত পেনিসিলিয়াম নামক ছত্রাক (প্রধানত পেনিসিলিয়াম ক্রাইসোজেনাম ও পেনিসিলিয়াম রুবেন্স) থেকে তৈরি করা হয়। বেশির ভাগ পেনিসিলিনই প্রাকৃতিক উপায়ে আহরণ করা হয়। তবে শুধুমাত্র দুটি প্রাকৃতিক পেনিসিলিনকে পথ্য হিসেবে ব্যবহার করা হয়: পেনিসিলিন জি ও পেনিসিলিন ভি।

কোন বিজ্ঞানী পেনিসিলিন আবিষ্কার করেন?

পেনিসিলিন আবিষ্কার করেন কে?

পেনিসিলিন কে আবিষ্কার করেন?

কোন সালে Alexander Fleming পেনিসিলিন আবিষ্কার করেন?

কোন সালে Alexander Fleming পেনিসিলিন আবিষ্কার করেন ?

পেনিসিলিন আবিষ্কার করেন কোন বিজ্ঞানী?

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 fouralternatives. Job performance is ______ by a number of factors. Motivation alone does not lead to increased performance. Ability and technology moderates the relationship
between motivation and performance. The higher the levels of ability and motivation the ______ the level of performance will be. However, increasing motivation
beyond an ______ level tends to ______ a dysfunctional result because it is ______ by an increased level of anxiety.
Job performance is ______ by a number of factors. Motivation alone

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 fouralternatives.
Job performance is ______ by a number of factors. Motivation alone does not lead to increased performance. Ability and technology moderates the relationship
between motivation and performance. The higher the levels of ability and motivation the ______ the level of performance will be. However, increasing motivation
beyond an ______ level tends to ______ a dysfunctional result because it is ______ by an increased level of anxiety.
motivation and performance. The higher the levels of ability and motivation the ______ the level of performance will be.

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. Job performance is ______ by a number of factors. Motivation alone does not lead to increased performance. Ability and technology moderates the relationship between motivation and performance. The higher the levels of ability and motivation the ______ the level of performance will be. However, increasing motivation beyond an ______ level tends to ______ a dysfunctional result because it is ______ by an increased level of anxiety. However, increasing motivation beyond an ______ level

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. Job performance is ______ by a number of factors. Motivation alone does not lead to increased performance. Ability and technology moderates the relationship between motivation and performance. The higher the levels of ability and motivation the ______ the level of performance will be. However, increasing motivation beyond an ______ level tends to ______ a dysfunctional result because it is ______ by an increased level of anxiety. tends to ______ a dysfunctional result