Q : What process immediately preceeded protein synthesis at the ribosome?
(A) transcription
(B) replication
(C) translation
(D) duplication
Correct Answer : A Explanation : Answer: A) transcription
Explanation: Protein synthesis at the ribosome is immediately preceeded by the transcription process.
Q : Photosynthesis contributes to plant growth by
(A) taking in carbon dioxide and making carbohydrates (sugars)
(B) converting sugar to oxygen and water
(C) taking in oxygen and making wood
(D) synthesizing carbon dioxide and making cellulose
Correct Answer : A Explanation : Answer: A) taking in carbon dioxide and making carbohydrates (sugars)
Explanation: Photosynthesis is a process used by plants and other organisms to convert light energy into chemical energy that can later be released to fuel the organisms activities.
Q : Daydreaming, Meditation, Intoxication, Sleep and Hypnosis are all types of
(A) waking consciousness
(B) self-absorption
(C) altered states of consciousness
(D) self-awareness
Correct Answer : C Explanation : Answer: C) altered states of consciousness
Explanation: Consciousness is the state or quality of awareness, or, of being aware of an external object or something within oneself.
Day dreaming, Meditation, Intoxication, Sleep and Hypnosis are all types of altered states of consciousness . In al these states, a person's state of conscious is altered but he has consciousness.
Q : What is a single celled organism called
(A) protoctists
(B) chromosomes
(C) unicellular
(D) bicellular
Correct Answer : C Explanation : Answer: C) unicellular
Explanation: An organism is a living thing, and there are two broad categories of organisms: those made up of only a single cell, and those made up of multiple cells.
Single-celled organisms means which contains only one cell are called unicellular organisms. 'Uni-' means 'one,' so the name 'unicellular' literally means 'one cell.'
Examples of Unicellular or Single celled organisms ::
Prokaryotic organisms like Bacteria,...
Some algae like green algae, euglena,...
Q : In what organelle does cellular respiration take place?
(A) Cytoplasm
(B) Ribosomes
(C) Mitochondria
(D) None of the above
Correct Answer : C Explanation : Answer: C) Mitochondria
Explanation: Cellular respiration is the multi-step process that creates energy from nutrients and food molecules. It begins in the cytoplasm of the cell, with the mitochondria functioning as the main organelle where the rest of the process continues and finishes.
During respiration, glycolysis occurs in the cytoplasm of the cell.
Q : What organelle carries out photosynthesis?
(A) Chloroplasts
(B) Ribosomes
(C) Chromosomes
(D) All of the above
Correct Answer : A Explanation : Answer: A) Chloroplasts
Explanation: Chloroplasts contains chlorophyll, the green substance in plants that allows them to create food from carbon dioxide and water called as photosynthesis.
Q :
Which of the following is NOT a part of the endocrine system?