NEET Test Series from KOTA - 10 Papers In MS WORD
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Diversity in the living world
258061
Which one is a vital stain?
1 methylene blue
2 janus green
3 neutral red
4 All of these
Explanation:
Vital stains is a technique in which stain are used on living cells without killing them. Methylene blue, Janus green and neutral red are all examples of vital stain. (i) Methylene blue- stain for nuclei of cells (ii) Janus green stain living cells, particularly the mitochondria of cell. (iii) Neutral red - It can be used for staining of nerve cell for microscopy and detection of viable cells in tissue culture.
Haryana PMT-2011
Diversity in the living world
258063
Who invented electron microscope?
1 Janssen
2 Edison
3 Knoll and Ruska
4 Landsteiner
Explanation:
The first prototype of the electron microscope was invented by Ernst Ruska a physicist and the Max Knoll (1932). - It was efficient to magnify up to four hundred power magnification and was the first apparatus to demonstrate principles of electron microscopy practically. - The magnification of an electron microscope is more than 10,000 greater than that of a light microscope.
AIIMS-2010
Diversity in the living world
258065
The crystal of lead zirconate is a key component of
1 Sonography
2 Electrocardiography
3 Electroencephalography
4 Magnetoencephalography
Explanation:
The crystal of lead zerconate is key component in medical ultrasound imaging, which is a type of diagnostic imaging technique that uses high frequency sound waves to create image of internal organs and tissue in the body is called sonography. Electrocardiography - The process of producing an electrocardiogram, a recording of the heart's electrical activity through repeated cardiac cycle. Electroencephalography - It is a test of measures the magnetic fields your brain's electrical current produce.
WB JEE-2007
Diversity in the living world
258068
The biggest herbarium of India is situated in:
1 Dehradun
2 Lucknow
3 Delhi
4 Calcutta
Explanation:
The biggest herbarium of India is situated in Calcutta and is known as Botanical Survey of India. (BSI). It is one of the oldest institution in the world that deals with the study of plants and thus classification.
Vital stains is a technique in which stain are used on living cells without killing them. Methylene blue, Janus green and neutral red are all examples of vital stain. (i) Methylene blue- stain for nuclei of cells (ii) Janus green stain living cells, particularly the mitochondria of cell. (iii) Neutral red - It can be used for staining of nerve cell for microscopy and detection of viable cells in tissue culture.
Haryana PMT-2011
Diversity in the living world
258063
Who invented electron microscope?
1 Janssen
2 Edison
3 Knoll and Ruska
4 Landsteiner
Explanation:
The first prototype of the electron microscope was invented by Ernst Ruska a physicist and the Max Knoll (1932). - It was efficient to magnify up to four hundred power magnification and was the first apparatus to demonstrate principles of electron microscopy practically. - The magnification of an electron microscope is more than 10,000 greater than that of a light microscope.
AIIMS-2010
Diversity in the living world
258065
The crystal of lead zirconate is a key component of
1 Sonography
2 Electrocardiography
3 Electroencephalography
4 Magnetoencephalography
Explanation:
The crystal of lead zerconate is key component in medical ultrasound imaging, which is a type of diagnostic imaging technique that uses high frequency sound waves to create image of internal organs and tissue in the body is called sonography. Electrocardiography - The process of producing an electrocardiogram, a recording of the heart's electrical activity through repeated cardiac cycle. Electroencephalography - It is a test of measures the magnetic fields your brain's electrical current produce.
WB JEE-2007
Diversity in the living world
258068
The biggest herbarium of India is situated in:
1 Dehradun
2 Lucknow
3 Delhi
4 Calcutta
Explanation:
The biggest herbarium of India is situated in Calcutta and is known as Botanical Survey of India. (BSI). It is one of the oldest institution in the world that deals with the study of plants and thus classification.
Vital stains is a technique in which stain are used on living cells without killing them. Methylene blue, Janus green and neutral red are all examples of vital stain. (i) Methylene blue- stain for nuclei of cells (ii) Janus green stain living cells, particularly the mitochondria of cell. (iii) Neutral red - It can be used for staining of nerve cell for microscopy and detection of viable cells in tissue culture.
Haryana PMT-2011
Diversity in the living world
258063
Who invented electron microscope?
1 Janssen
2 Edison
3 Knoll and Ruska
4 Landsteiner
Explanation:
The first prototype of the electron microscope was invented by Ernst Ruska a physicist and the Max Knoll (1932). - It was efficient to magnify up to four hundred power magnification and was the first apparatus to demonstrate principles of electron microscopy practically. - The magnification of an electron microscope is more than 10,000 greater than that of a light microscope.
AIIMS-2010
Diversity in the living world
258065
The crystal of lead zirconate is a key component of
1 Sonography
2 Electrocardiography
3 Electroencephalography
4 Magnetoencephalography
Explanation:
The crystal of lead zerconate is key component in medical ultrasound imaging, which is a type of diagnostic imaging technique that uses high frequency sound waves to create image of internal organs and tissue in the body is called sonography. Electrocardiography - The process of producing an electrocardiogram, a recording of the heart's electrical activity through repeated cardiac cycle. Electroencephalography - It is a test of measures the magnetic fields your brain's electrical current produce.
WB JEE-2007
Diversity in the living world
258068
The biggest herbarium of India is situated in:
1 Dehradun
2 Lucknow
3 Delhi
4 Calcutta
Explanation:
The biggest herbarium of India is situated in Calcutta and is known as Botanical Survey of India. (BSI). It is one of the oldest institution in the world that deals with the study of plants and thus classification.
NEET Test Series from KOTA - 10 Papers In MS WORD
WhatsApp Here
Diversity in the living world
258061
Which one is a vital stain?
1 methylene blue
2 janus green
3 neutral red
4 All of these
Explanation:
Vital stains is a technique in which stain are used on living cells without killing them. Methylene blue, Janus green and neutral red are all examples of vital stain. (i) Methylene blue- stain for nuclei of cells (ii) Janus green stain living cells, particularly the mitochondria of cell. (iii) Neutral red - It can be used for staining of nerve cell for microscopy and detection of viable cells in tissue culture.
Haryana PMT-2011
Diversity in the living world
258063
Who invented electron microscope?
1 Janssen
2 Edison
3 Knoll and Ruska
4 Landsteiner
Explanation:
The first prototype of the electron microscope was invented by Ernst Ruska a physicist and the Max Knoll (1932). - It was efficient to magnify up to four hundred power magnification and was the first apparatus to demonstrate principles of electron microscopy practically. - The magnification of an electron microscope is more than 10,000 greater than that of a light microscope.
AIIMS-2010
Diversity in the living world
258065
The crystal of lead zirconate is a key component of
1 Sonography
2 Electrocardiography
3 Electroencephalography
4 Magnetoencephalography
Explanation:
The crystal of lead zerconate is key component in medical ultrasound imaging, which is a type of diagnostic imaging technique that uses high frequency sound waves to create image of internal organs and tissue in the body is called sonography. Electrocardiography - The process of producing an electrocardiogram, a recording of the heart's electrical activity through repeated cardiac cycle. Electroencephalography - It is a test of measures the magnetic fields your brain's electrical current produce.
WB JEE-2007
Diversity in the living world
258068
The biggest herbarium of India is situated in:
1 Dehradun
2 Lucknow
3 Delhi
4 Calcutta
Explanation:
The biggest herbarium of India is situated in Calcutta and is known as Botanical Survey of India. (BSI). It is one of the oldest institution in the world that deals with the study of plants and thus classification.