WorksheetsBiology September (2nd week)
Total questions: 15
Worksheet time: 8mins
1.-Stomata are pores or openings in plants through which gases are exchanged, this is an example of :
Cell structure
Respiration
Reproduction
Growing
2.-What is the basic unit of life?
a) Organism
b) Tissue
c) Cell
d) Organelle
3.- Which gas is necessary for cellular respiration?
a) Nitrogen
b) Oxygen
c) Carbon dioxide
d) Helium
4.-What type of reproduction involves the fusion of gametes?
a) Asexual reproduction
b) Sexual reproduction
c) Budding
d) Fission
5.-Autotrophs can produce their own food, while heterotrophs must obtain food from other organisms. Which of the following is an autotroph?
a) Human
b) Mushroom
c) Plant
d) Bacteria
6.- What is the ability of an organism to respond to stimuli?
a) Irritability
b) Homeostasis
c) Adaptation
d) Growth
7.- Which of the following is NOT a characteristic of living things?
a) Growth
b) Reproduction
c) Movement
d) Inertia
8.- Which of the following is an example of a stimulus and a corresponding response in an organism?
a) Water freezing into ice
b) A rock rolling down a hill
c) A plant growing towards the light
d) A car driving down the street
9.- Homeostasis refers to the ability of an organism to:
a) Reproduce
b) Grow
c) Maintain a stable internal environment
d) Adapt to its surroundings
10.- What is the process by which organisms inherit traits from their parents?
a) Evolution
b) Heredity
c) Adaptation
d) Mutation
11.- What is biodiversity?
a) The variety of life on Earth
b) The study of plants
c) The protection of endangered animals
12.- Why is Mexico considered one of the most megadiverse countries in the world?
a) Because it has a lot of deserts
b) Because it has a great variety of ecosystems and species
c) Because it is a very big country
d) Because it has many mountains
13.-What is an endemic species?
a) A species that can be found anywhere in the world
b) A species that is very common
c) A species that is extinct
d) A species that is only found in a specific region
14.- Why is it important to protect biodiversity?
a) Because it is beautiful
b) Because we need animals for food
c) Because all living things are connected and depend on each other
d) Because it is fun to study animals
15.- What is an exotic animal?
a) An animal that is native to a specific region.
b) An animal that lives in a zoo.
c) An animal that is introduced to a new environment.
d) An animal that is extinct.
