Science Practice Quiz 139

Q1.Which of the following characteristics distinguishes fungi from green plants and animals, as mentioned in the provided text?

A. They have mouths like animals. B. They possess chlorophyll for photosynthesis. C. They lack chlorophyll and do not have mouths. D. They only grow in dry conditions.

Q2.What is the mode of nutrition called when organisms take in nutrients from dead and decaying matter, according to the provided text?

A. Photosynthetic nutrition B. Autotrophic nutrition C. Saprotrophic nutrition D. Parasitic nutrition

Q3.Organisms that exhibit the saprotrophic mode of nutrition are known as what?

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

Q4.Fungi are commonly observed growing as fluffy umbrella-like patches in which of the following conditions?

A. Dry and cold environments B. Moist soils or on rotting wood during the rainy season C. Arid deserts with direct sunlight D. Deep underwater in oceans

Q5.Besides bread, on which of the following articles can fungi also grow and spoil, especially when left in hot and humid weather for a long time?

A. Glassware and ceramics B. Pickles, leather, and clothes C. Metals and plastics D. Stones and rocks

Q6.Where are fungal spores generally present, which contributes to their sudden appearance and growth on suitable articles during the rainy season?

A. Only in water bodies B. Only inside plants C. Generally in the air D. Exclusively in animal digestive systems

Q7.Which of the following nutrients are commonly found in fertilisers and manures used to enrich soil?

A. Nitrogen, potassium, phosphorous B. Carbon, oxygen, hydrogen C. Calcium, magnesium, sulfur D. Iron, zinc, copper

Q8.Despite nitrogen gas being abundant in the atmosphere, why do plants often suffer from nitrogen deficiency?

A. Plants cannot absorb nitrogen directly from the air in its gaseous form. B. Nitrogen gas is toxic to most plant species. C. The atmospheric nitrogen is too cold for plant absorption. D. Plants require nitrogen only during their dormant phase.

Q9.What is the primary function of the bacterium Rhizobium in the context of plant nutrition?

A. It helps plants absorb water from the soil. B. It converts atmospheric nitrogen into a usable form for plants. C. It produces carbon dioxide for photosynthesis. D. It protects plant roots from fungal infections.

Q10.Which of the following plants commonly host Rhizobium bacteria in their roots, benefiting from a symbiotic relationship?

A. Wheat, rice, maize B. Gram, peas, moong, beans C. Potato, tomato, onion D. Apple, orange, banana

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Science Practice Quiz 139