1. What is the process by which the sun's energy is trapped as the source of energy and is converted into chemical energy?
A. adaptation B. evolution C. photosynthesis D. homeostasis
2. Which of the following refers to the process by which changes occur in the characteristics of species of organisms over time?
A. evolution B. homeostasis C. regulation D. metabolism
3. Which refers to the maintenance of internal conditions of an organism within a certain range?
A. adaptation B. evolution C. metabolism D. homeostasis
4. Which of the following sequences is likely to be observed in an elephant, going from smallest to largest?
A. cell, organ, tissue, organism B. cell, organ, system, tissue C. organism, system, organ, tissue D. cell, tissue, system, organism
5. Which of the following does not follow the principle of form follows function?
A. The thick and heavy bones of birds allow them to stay longer in the air.
B. The fins of a fish help it to propel itself through the water.
C. The beaver’s spoon-shaped tail helps them in swimming and is also used as a defense mechanism.
D. The biconcave shape of red blood cells provides greater surface area which allows both red blood cells and oxygen to exchange through the capillaries which are smaller in diameter than the red blood cells.
6. Which statement is NOT TRUE about living organisms?
A. Living things are made up of cells.
B. Living things adapt and evolve in order to survive.
C. Living things have different parts that depend on the structure and form for their functions.
D. Living things are made of organic elements only.
7. Which of the following is not an example of homeostasis?
A. Sweating cools the body down when temperature rises.
B. Energy is captured by plants to convert light energy into chemical energy.
C. If there is too much glucose in the blood, insulin converts some of it to glycogen.
D. The capillaries underneath your skin get constricted to take the blood away from the surface of the skin to warm the body up.
8. Which is true about the extinction of a species?
A. It can be caused by a natural phenomenon.
B. It is caused by humans only.
C. It is never affected by human activities.
D. It has a progressive impact on biodiversity.
9. What best explains this situation?
A. All living organisms are made up of cells.
B. Living things evolve through time.
C. Living things interact with their environment in order to survive.
D. Different organisms have to maintain different internal conditions.
Over a year, the population of Bengal tigers in India decreased by half of its original size.
10. Which statement below best explains this change in the Bengal tiger’s population?
A. presence of rich habitat and sustainability in food sources
B. poaching due to the increasing demand for traditional Asian medicines
C. gradual change in climate and other environmental factors
D. increase in the number of prey in the area
11. What is the biological process by which new “offspring” are produced from their “parents”?
A. adaptation B. evolution C. reproduction D. homeostasis
12. What type of reproduction yields genetically-identical organisms because an organism reproduces by itself?
A. reproduction B. sexual reproduction C. asexual reproduction D. evolution
13. What is the type of reproduction wherein the genetic material of two individuals from the same species combines to produce genetically-different offspring; this ensures mixing of the gene pool of the species?
A. reproduction B. sexual reproduction C. asexual reproduction D. evolution
14. What is the process whereby a cell divides asexually to produce two daughter cells?
A. Binary fission B. Budding C. Parthenogenesis D. Fragmentation
15. What is the form of asexual reproduction that results from the outgrowth of a part of a cell or body region leading to a separation from the original organism into two individuals?
A. Binary fission B. Budding C. Parthenogenesis D. Fragmentation
16. What is the breaking of the body into two parts with subsequent regeneration?
A. Binary fission B. Budding C. Parthenogenesis D. Fragmentation
17. What is the form of asexual reproduction where an egg develops into a complete individual without being fertilized?
A. Binary fission B. Hermaphroditism C. Parthenogenesis D. Fragmentation
18. What is the characteristic which occurs in animals having two sexes?
A. Binary fission B. Hermaphroditism C. Parthenogenesis D. Fragmentation
19. What is the artificial manipulation, modification, and recombination of DNA or other nucleic acid molecules in order to modify an organism or population of organisms?
A. Genes B. Genetic Engineering C. Modification D. Replication
20. What is the process which allows researchers to customize a living organism’s genetic sequence by making very specific changes to its DNA?
A. Gene Therapy B. Gene Editing C. Gene Replication D. Gene Modification
21. What is the process of correcting genetic errors associated with disease in animals?
A. Gene Therapy B. Gene Editing C. Gene Replication D. Gene Modification
22. It is a natural science which deals with the study of life.
A. Biology B. Chemistry C. Genetics D. Physics
23. What are the first life forms on Earth?
A. Mammals B. Plants C. Reptiles D. Microorganisms
24. What is the basic unit of life?
A. Cell B. Tissues C. Organs D. Organ System
25. Plants are known as:
A. Consumer B. Producers C. Predators D. Secondary Consumers
26. What is an example of a prokaryote?
A. Snakes B. Birds C. Bacteria D. Fish