Which of the following statements is correct?

1. Organisms that depend on living plants are called saprophytes.
2. Some of the organisms can fix atmospheric nitrogen in specialized cells called sheath cells. 
3.  The fusion of two cells is called Karyogamy.
4. Fusion of protoplasms between two motile or non-motile gametes is called plasmogamy.

Subtopic:  Kingdom Fungi: Sexual Reproduction in Fungi |
 77%
From NCERT
NEET - 2021
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NEET 2023 - Target Batch - Aryan Raj Singh

An adhesive pad of fungi penetrates the host with the help of:
1.  Mechanical pressure and enzymes
2.  Hooke and suckers
3.  Softening by enzymes
4.  Only by mechanical pressure

Subtopic:  Kingdom Fungi: Introduction |
From NCERT
AIPMT - 2001
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NEET 2023 - Target Batch - Aryan Raj Singh
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What is true for cyanobacteria:
1.  Oxygenic with nitrogenase
2.  Oxygenic without nitrogenase
3.  Non-oxygenic with nitrogenase
4.  Non-oxygenic without nitrogenase

Subtopic:  Kingdom Monera: Bacterial Classification |
 64%
From NCERT
AIPMT - 2001
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NEET 2023 - Target Batch - Aryan Raj Singh
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NEET 2023 - Target Batch - Aryan Raj Singh

What is true for Archaebacteria:
1. All Halophiles
2. All photosynthetic
3. All fossils
4. Oldest living beings

Subtopic:  Kingdom Monera: Bacterial Classification |
 72%
From NCERT
AIPMT - 2001
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Cauliflower mosaic virus contains:
1.  ss RNA
2.  ds RNA
3.  ds DNA
4.  ss DNA

Subtopic:  Virus, Viroids & Prions |
From NCERT
AIPMT - 2001
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NEET 2023 - Target Batch - Aryan Raj Singh
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Which one of the following statements about viruses is correct:
1. Viruses possess their own metabolic system
2. All viruses contain both RNA and DNA
3. Viruses are obligate parasites
4. Nucleic acid of viruses is known as capsid

Subtopic:  Virus, Viroids & Prions |
 87%
From NCERT
AIPMT - 2003
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NEET 2023 - Target Batch - Aryan Raj Singh

Tobacco mosaic virus is a tubular filament of size:
1.  300 × 10 nm
2.  300 × 5 nm
3.  300 × 20 nm
4.  700 × 30 nm

Subtopic:  Virus, Viroids & Prions |
From NCERT
AIPMT - 2003
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NEET 2023 - Target Batch - Aryan Raj Singh
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In which kingdom would you classify the archaea and nitrogen-fixing organism, if the five-kingdom system of classification is used?

1. Plantae 2. Fungi
3. Protista 4. Monera
Subtopic:  Kingdom Monera: Bacterial Classification |
 90%
From NCERT
AIPMT - 2003
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NEET 2023 - Target Batch - Aryan Raj Singh

Viruses are no more "alive" than isolated chromosomes because:

1. They require both RNA and DNA
2. They both need food molecules
3. They both require oxygen for respiration
4. Both require the environment of a cell to replicate
Subtopic:  Virus, Viroids & Prions |
 85%
From NCERT
AIPMT - 2003
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NEET 2023 - Target Batch - Aryan Raj Singh

Stored food in fungi:
1. Starch
2. Proteins
3. Glycogen
4. Chitin

Subtopic:  Kingdom Fungi: Introduction |
 57%
From NCERT
AIPMT - 2000
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NEET 2023 - Target Batch - Aryan Raj Singh
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