Science Practice Quiz 140

Q1.What is the term for a relationship where two different organisms live together and share both shelter and nutrients?

A. Parasitism B. Predation C. Symbiosis D. Competition

Q2.Which of the following statements about fungi is NOT correct according to the provided text?

A. Many fungi, such as yeast and mushrooms, are useful. B. Some fungi can cause diseases in plants, animals, and humans. C. All fungi are harmful and cause spoilage or disease. D. Some fungi are used as medicines.

Q3.Under what conditions do fungi typically germinate and grow?

A. Dry and cold environments B. Wet and warm things C. Extremely acidic conditions D. High light intensity

Q4.In the symbiotic association known as lichens, what role does the fungus primarily play for the alga?

A. It prepares food for the alga. B. It provides shelter, water, and minerals to the alga. C. It absorbs carbon dioxide for the alga. D. It helps the alga reproduce.

Q5.What is the primary contribution of the alga in the symbiotic relationship observed in lichens?

A. Providing shelter and water to the fungus. B. Absorbing minerals from the environment for the fungus. C. Preparing and providing food to the fungus. D. Protecting the fungus from predators.

Q6.How does the symbiotic relationship between Rhizobium and leguminous plants benefit farmers?

A. It increases the water retention capacity of the soil. B. It allows farmers to reduce the use of nitrogenous fertilisers. C. It protects crops from insect pests. D. It enhances the rate of photosynthesis in non-leguminous crops.

Q7.Which of the following statements is true regarding Rhizobium's ability to produce its own food?

A. Rhizobium can synthesize its own food through photosynthesis. B. Rhizobium can make its own food using chemosynthesis. C. Rhizobium cannot make its own food and relies on host plants. D. Rhizobium produces food only when living freely in the soil.

Q8.In a general symbiotic relationship where certain fungi live inside the roots of plants, what does the fungus typically provide to the plant?

A. Carbon dioxide and sunlight B. Food and shelter C. Water and certain nutrients D. Protection from herbivores

Q9.What term is used to describe green plants that synthesize food for themselves?

A. Autotrophs B. Heterotrophs C. Saprotrophs D. Parasites

Q10.Which of the following is an example of a parasitic plant mentioned in the text?

A. Cuscuta B. Green Algae C. Fungi D. Leguminous plants

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Science Practice Quiz 140