In which of the animal dimorphic nucleus is found:
1. Amoeba proteus
2. Trypanosoma gambiens
3. Plasmodium vivax
4. Paramecium caudatum
Black rust of wheat is caused by:
1. Puccinia
2. Ustilago
3. Albugo
4. Phytophthora
Stored food in fungi:
1. Starch
2. Proteins
3. Glycogen
4. Chitin
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 |
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 |
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
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
Cauliflower mosaic virus contains:
1. ss RNA
2. ds RNA
3. ds DNA
4. ss DNA
What is true for Archaebacteria:
1. All Halophiles
2. All photosynthetic
3. All fossils
4. Oldest living beings
What is true for cyanobacteria:
1. Oxygenic with nitrogenase
2. Oxygenic without nitrogenase
3. Non-oxygenic with nitrogenase
4. Non-oxygenic without nitrogenase