Explore topic-wise MCQs in Life Sciences.

This section includes 103 Mcqs, each offering curated multiple-choice questions to sharpen your Life Sciences knowledge and support exam preparation. Choose a topic below to get started.

101.

Which of the following is an anoxygenic photosynthetic organism?

A. Plants
B. Photosynthetic protists
C. Cyanobacteria
D. Green and Purple photosynthetic organism
Answer» E.
102.

Classification of organisms as oxygenic or anoxygenic during photosynthesis is based on ______

A. The presence of Co<sub>2</sub>
B. The generation of oxygen
C. The presence of light
D. The presence of water
Answer» C. The presence of light
103.

Name the physiochemical process in which chemical energy is produced by light energy with the help of a photosynthetic organism?

A. Photosynthesis
B. Respiration
C. Oxidative decarboxylation
D. Oxidative phosphorylation
Answer» B. Respiration