Science Practice Quiz 49

Q1.Besides water, which group of materials do autotrophs need for building their body, taken up from the soil?

A. Oxygen, Carbon dioxide, and Sugars B. Nitrogen, Phosphorus, Iron, and Magnesium C. Amino acids, Vitamins, and Lipids D. Starch, Cellulose, and Pectin

Q2.Which of the following organisms breaks down food material outside its body and then absorbs it?

A. Amoeba B. Cow C. Bread mould D. Human beings

Q3.Which of the following organisms derives nutrition from plants or animals without killing them, exhibiting a parasitic nutritive strategy?

A. Yeast B. Amoeba C. Leech D. Mushroom

Q4.How does Amoeba obtain its food?

A. By using cilia to sweep food into a specific spot B. By breaking down food outside its body C. By temporary finger-like extensions forming a food-vacuole D. By absorbing nutrients through its entire surface directly

Q5.In Paramoecium, how is food moved to a specific spot for intake?

A. Through pseudopodia B. By the movement of cilia C. By forming a food vacuole directly on the surface D. By breaking down food externally

Q6.In single-celled organisms, how may food generally be taken in?

A. Through a specialized digestive tract B. By the entire surface of the organism C. Only at a specific spot using cilia D. By external breakdown and absorption

Q7.Fungi like bread moulds, yeast, and mushrooms are examples of organisms that employ which nutritional strategy?

A. Taking in whole material and breaking it down inside the body B. Deriving nutrition from plants or animals without killing them C. Breaking down food material outside the body and then absorbing it D. Obtaining food using temporary finger-like extensions

Q8.Which of the following is an example of an organism that uses a parasitic nutritive strategy?

A. Bread mould B. Amoeba C. Cuscuta D. Paramoecium

Q9.What happens inside the food-vacuole of an Amoeba?

A. Undigested material is thrown out B. Food is moved to a specific spot by cilia C. Complex substances are broken down into simpler ones D. Temporary finger-like extensions are formed

Q10.The digestive system differs in various organisms primarily because of which two factors?

A. Body size and habitat B. Complexity of the organism and its lifespan C. The food and the way it is obtained D. Presence of specialized organs and their functions

Sign in with Email

Science Practice Quiz 49