GE-ELECT1 - Topic of G-1 & G-2

A farmer notices his crops are wilting despite daily watering. Applying your knowledge of homeostasis, what should he check first?

• Soil nutrients

• Plant reproduction

• Predator presence

• Evolutionary adaptation

If you were to design a school garden, which organisms should you include to serve as primary producers?

• Rabbits and worms

• Corn and tomatoes

• Frogs and snakes

• Fungi and bacteria

A fish in an aquarium dies due to a broken air pump. Which abiotic factor was most directly affected?

• Sunlight

• Water temperature

• Oxygen supply

• Soil quality

In a classroom terrarium, which organism should be added to recycle nutrients from dead leaves?

• Snails

• Fungi

• Grass

• Caterpillars

To show the 10% rule to students, which food chain example is most appropriate?

• Sun → Water → Soil → Plants

• Grass → Cow → Human

• Air → Trees → Oxygen

• Earthworm → Soil → Grass

A fisherman notices that fewer fish are being caught in the lake due to overfishing. Which concept best explains this?

• Habitat destruction

• Overexploitation

• Invasive species

• Population growth

A biology teacher asks students to group together: heart cell, skin cell, and nerve cell. At which level of biological organization do these belong?

• Atom

• Molecule

• Cell

• Organism

A farmer plants mango trees because they provide shade, fruits, and help absorb carbon dioxide. This practice applies the importance of biodiversity in terms of:

• Food and medicine

• Cultural and aesthetic value

• Ecosystem services

• Local extinction

If climate change continues to melt polar ice caps, which species is most at risk of extinction due to habitat loss?

• Polar bears

• Zebras

• Eagles

• Elephants

A local government wants to conserve mangroves to protect coastlines from storms. This decision applies biodiversity’s role in:

• Providing food

• Cultural value

• Ecosystem services

• Supplying medicine