Living Things Unit Assessment

Name __________________________

Circle the correct answer for each of the following questions.  Circle only one letter.

1.  Which of the following is NOT a characteristic of living things?

a)      Living things grow and change

b)      Living things reproduce

c)      Living things gather information about their environment

d)      Living things improve their environment throughout their development

2.  Development of a living thing refers to how that living thing

a)      Changes before it is born

b)      Changes throughout its lifetime

c)      Changes from the time it is born until the time it is an adult

d)      Changes from the time it is an adult until the time it dies.

3.  If plants do not get sunlight they will

a)      make up for it through obtaining extra water through their roots

b)      make their food from nutrients in the soil

c)      cannot produce chlorophyll that they need to produce energy and will die

d)      get nutrients from water

4.  The process by which plants uses energy from sunlight to make food is called

a)      transpiration

b)      respiration

c)      photosynthesis

d)      germination

5.  A sugary liquid in a flower that lures insects and aids is pollination is called

a)      pollen

b)      nectar

c)      risen

d)      cytoplasm

6.  The young plant that begins to grow inside a seed is called a(n)

a)      cotyledon(s)

b)      embryo

c)      seed coat

d)      stigma

7.  The food-storing tissue of a seed, that may later become the first “leaf” is called the

a)      cotyledon(s)

b)      embryo

c)      seed coat

d)      stigma

8.  The process by which plants give off oxygen is called

a)      transpiration

b)      respiration

c)      photosynthesis

d)      germination

9.  For a seed to grow into a healthy plant it needs

a)      more sunlight than water

b)      plenty of sunlight and water

c)      more water than sunlight

10.  Not all plants reproduce from seeds.  A potato is an example of what method of plant reproduction?

a)      Bulb

b)      Spore

c)      Tuber

d)      Cutting

11.  In autumn, leaves change color when the temperature drops and the _________ begins to break down in the leaves.

a)      Chloroplasts

b)      Spores

c)      Seeds

d)      Chlorophyll

12.  An onion and a tulip is an example of what method of plant reproduction?

a)      Bulb

b)      Spore

c)      Tuber

d)      Cutting

13. Which part of a plat’s life cycle is a seed?

a)      Survival

b)      Reproduction

c)      Germination

14.  A flower is ________ when an ovule and pollen combine to form a single seed.

a)      Pollinated

b)      Germinated

c)      Reproduced

15.  _________ give leaves their green color and absorbs and traps energy from sunlight which plants use to make food. 

a)      Chloroplasts

b)      Pollen

c)      Chlorophyll

d)      Stomata

16.  What gas enters through the leaves of plants and is used by plants?

a)      Oxygen

b)      Nitrogen

c)      Hydrogen

d)      Carbon Dioxide

17.  Before seeds can grow into a plant, they move to where they can sprout.  This is called seed ___________. 

a)      Dispersal

b)      Germination

c)      Reproduction

d)      Fertilization

18.  Conifers make seeds in _____________.

a)      Bulbs

b)      Tubers

c)      Cones

d)      Cuttings

19.  A gas made by plants that you exhale is ____________.

a)      Nitrogen

b)      Oxygen

c)      Carbon Dioxide

d)      Hydrogen

20.  A plant is able to live, grow, and meet its needs to survive by __________.

a)      Living in dark places

b)      Living off of what is around it

c)      Responding to its environment

d)      Bending toward the light

For each of the following questions, answer each question completely.

1.  List three ways in which organisms, plants or animals, respond to their environments

a)       

b)       

c)       

2.  List five basic needs that plants need in order to be healthy and grow.

a)       

b)       

c)       

d)       

e)       

3.  Compare the needs of plants to those needs of humans

4.  Jennifer has a plant at her house.  She keeps her plant in a dark corner and does not water it very often.  If she continues to care for her plant in this way what will happen to her plant?

In each blank write the word that best matches each description. 

Petals                           Pollen

Ovule                           Anthers

Stem                             Stamen

Sepal                            Pistil

Stigma                          Roots

­­1. ____________Attract pollinators by their scent and guidelines

2. ____________Where pollen is produced in a flower and in the end stick to the bodies of pollinators, such as bees

3. ____________Traps or receives pollen grains from other flowers

4. ____________Leaf-like structure that protects the young flower bud

5. ____________Produces the pollen grains and male part of flower

6. ____________Female part of flower

7. ____________Become the seeds of the flower upon fertilization

8. ____________Powdery substance made by male part of flower that is need to female part of flower to produce seeds

9. ____________Gives support to the flower and lifts the flower up in the air to be pollinated. 

10. ­­­­­­­­­­­­­­­­­­___________ The part of the plant that hold it in the ground and absorbs water and minerals.