Užduočių lapas tema Biologija slaugos stojamiesiems egzaminams su atsakymais

A solution has a pH of 3. How is it described?

1. AAcidic
2. BIsotonic
3. CBasic
4. DNeutral

What is a scientific law?

1. AAn explanation that has been proven wrong
2. BA rule that scientists vote to accept
3. CA guess about the cause of something that has not yet been tested
4. DA statement of what always happens under certain conditions

What is natural selection?

1. AOrganisms changing their genes when they need to
2. BHumans breeding plants for useful traits
3. CIndividuals with helpful traits survive and reproduce more
4. DAnimals choosing which mates they like best, so traits change at random

Kas yra kodonas?

1. AChromosomos dalis, prie kurios mitozės metu prisitvirtina verpstės siūlai
2. BBaltymas, pradedantis transkripciją
3. CTrijų iRNR bazių grupė, koduojanti vieną aminorūgštį
4. DViena bazė, koduojanti baltymą

Which process removes carbon dioxide from the atmosphere?

1. APhotosynthesis
2. BCellular respiration
3. CBurning fossil fuels
4. DDecomposition

Why do root hair cells have long, thin extensions?

1. ATo anchor the plant firmly against strong winds and rain
2. BTo carry out photosynthesis underground
3. CTo increase the surface area for absorbing water
4. DTo store starch for the winter

Finches on the Galápagos Islands have different beak shapes on islands with different foods. What is the best explanation?

1. AThe birds were all created with the same beak and it never changed
2. BNatural selection favoured beaks suited to each food source
3. CThe beaks changed because the birds chose to eat new food
4. DEach bird changed its beak by using it more

Augalo ląstelė patalpinama į gryną vandenį. Kodėl ji nesprogsta kaip gyvūno ląstelė?

1. AJos ląstelės sienelė priešinasi ląstelei pildantis ir ji tampa tvirta (turgoringa)
2. BVanduo negali patekti į augalų ląsteles
3. CJos vakuolė iš karto išpumpuoja visą vandenį atgal
4. DAugalų ląstelės neturi ląstelės membranos