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Biology Review P1 Nexus 2019-2020

Total questions: 23

Worksheet time: 12mins

Name
Class
Date
1.

This is how we call elements or compunds that enter into a chemical reaction

a)

Neutrons

b)

Macromolecules

c)

Reactants

d)

Active sites

2.

This macromolecule stores the genetic code.

a)

Nucleic Acids

b)

Carbohydrates

c)

Lipids

d)

Proteins

3.

Very large molecules that are formed by smaller molecules

a)

Electrons

b)

Atoms

c)

Macromolecules

d)

Active site

4.

The Main source of energy in living organisms

a)

Nucleic Acids

b)

Carbohydrates

c)

Proteins

d)

Lipids

5.

These kind of molecules speed up a chemical reaction.

a)

Catalysts

b)

Elements

c)

Atoms

d)

Electrons

6.

An enzyme is also a...

a)

Carbohydrate

b)

Living organism

c)

Catalyst

d)

Nutrient

7.

An enzyme speeds up a chemical reaction by

a)

Raising the absorbation energy

b)

Lowering the activation energy

c)

Absorbign energy

d)

Realasing energy

8.

The factor in the picture influences the different climets on Earth.

a)

Glogal warming

b)

Energy in the Biosphere.

c)

Ocean currents

d)

Latitude

9.

In ecology a relationship between two species in which both benefit.

a)

Friendship

b)

Parasitism

c)

Comensalism

d)

Mutualism

10.

General place where an organism lives.

a)

Nest

b)

Habitat

c)

Niche

d)

House

11.

Range of physical and biological conditions in which a species lives and the way the species obtains what it needs to reproduce.

a)

Climate

b)

Habitiat

c)

Symbiosis

d)

Niche

12.

Any relationship in which two organisms live cloesly together.

a)

Habitat

b)

Niche

c)

Predation

d)

Symbiosis

13.

An interaction in which one animalcaptures and feeds on another animal.

a)

Parasitism

b)

Predation

c)

Symbiosis

d)

Commensalism

14.

Refers to average conditions of temperature, humidity, precipitation etc in a certain place over long periods of time.

a)

Weather

b)

Abiotic factors

c)

Biotic factors

d)

Climate

15.

Symbiotic relationship in which one norganism benefits and the other remains neutral.

a)

Symbiosis

b)

Mutualism

c)

Parasitism

d)

Commensalism

16.

Factors in an ecosystem that refer to living things.

a)

Ecology

b)

Biotic factors

c)

Abiotic factors

d)

Important factors

17.

Is the day to day conditions of the Earth's atmosphere.

a)

Prediction

b)

Climate

c)

Forecast

d)

Weather

18.

This kind of organisms are located at the base of the ecologycal pyramid

a)

Consumers

b)

Carnivores

c)

Producers

d)

Herbivores

19.

This is an example of a Detrivore

a)

Volture

b)

Cow

c)

Shrimp

d)

Bunny

20.

Is a group of ecosystems that share similar climates and typical organisms.

a)

Niche

b)

Environment

c)

Biome

d)

Trophic level

21.

The picture refers to an example of....

a)

A bad camp trip

b)

Secondary succession

c)

A fire in the woods

d)

Primary succesion

22.

These gases cause the Green House effect.

a)

CO3 and CH4

b)

Chlorine and water vapor

c)

Water vapor, CO2 and CH4

d)

Helium and oxygen

23.

Two organisms cannot occupy the same niche ate exactly the same time in the same habitat. The latter statement is known as...

a)

Competitive exclusion principle

b)

Competitve principle

c)

Evolution

d)

Predation