Science Practice Quiz 141

Q1.Which of the following is NOT an essential requirement for the process of photosynthesis?

A. Chlorophyll B. Water C. Oxygen D. Sunlight

Q2.What are the complex chemical substances produced as a result of photosynthesis?

A. Carbohydrates and Oxygen B. Proteins and Fats C. Vitamins and Minerals D. Amino acids and Water

Q3.Which component in leaves/plants is responsible for absorbing solar energy?

A. Stomata B. Chlorophyll C. Xylem D. Phloem

Q4.Organisms that derive nutrition from dead and decaying matter are known as what?

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

Q5.Which category do all animals belong to based on their nutrition?

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

Q6.Which pigment is responsible for absorbing solar energy during photosynthesis?

A. Carotenoid B. Xanthophyll C. Chlorophyll D. Anthocyanin

Q7.During the process of photosynthesis, plants primarily take in which gas and release which gas, respectively?

A. Oxygen and Carbon dioxide B. Carbon dioxide and Oxygen C. Nitrogen and Oxygen D. Hydrogen and Carbon dioxide

Q8.Which of the following is an example of a parasitic plant characterized by a yellow, slender, and branched stem?

A. Pitcher plant B. China rose C. Cuscuta D. Rose

Q9.Which plant is described as partially autotrophic and known for trapping and feeding on insects?

A. Cuscuta B. China rose C. Pitcher plant D. Rose

Q10.In the context of nutrient cycles, which bacterium is associated with Nitrogen?

A. Lactobacillus B. Rhizobium C. E. coli D. Streptococcus