GRADE 11 BIOLOGY EXAM REVIEW QUESTIONS AND ANSWERS 2025

GRADE 11 BIOLOGY EXAM REVIEW QUESTIONS AND ANSWERS 2025




Hierarchy of living things - (ANSWER)cell --> tissue --> organ --> organ system --> organism



Biological Organization - (ANSWER)biosphere, ecosystem, community, population, organisms, organ
system, organ, tissues, cells, organelle, molecule, atom, electron



Common Characteristics - (ANSWER)Movement

Sensitivity

Development

Complexity

Death



Fundamental characteristics - (ANSWER)CELLS

REPRODUCE

HEREDITY

ENERGY (atp)

STIMULI

HOMEOSTASIS

ADAPT



Kingdom System of Classification - (ANSWER)(eu) bacteria (true bacteria)

archaea bacterium (ancient bacteria)

eukaryotes



Level of Organization - (ANSWER)Kingdom

Phylum

Class

Order

Family

, GRADE 11 BIOLOGY EXAM REVIEW QUESTIONS AND ANSWERS 2025




Genus

Species



Prokaryotes - (ANSWER)- no nuclei or organelles

- very simple

ex) Archaea, eu-bacteria



Eukaryotes - (ANSWER)- nuclei and organelles

- increased complexity

ie) Protista, Fungi, Plantae Animalia



Cocci - (ANSWER)round



Bacilli - (ANSWER)rod shaped



Spirilli - (ANSWER)spiral shaped



Staphylo - (ANSWER)clusters



Strepto - (ANSWER)chains



Diplo - (ANSWER)pairs



Characteristics of bacteria - (ANSWER)single celled, prokaryotic, asexual (binary fission), contains DNA
(circular chromosome)



Binary Fission - (ANSWER)1. single circular chromosome replicates

2. attached loops remain near centre of cell