Transcript B - Net Start Class

1. Which of the following
processes transforms radiant
energy to chemical energy?
A. Photosynthesis
B. Respiration
C. Decomposition
2. The decay of biomass is a great
advantage for farmers because
____
• A. It provides oxygen to plants
• B. It provides nutrients to the soil
• C. It provides food to human
3. Which organism in the food
chain gets the highest amount of
energy?
• A. Producers
• B. Herbivores
• C. Carnivores
4. Which of the following contains
organic compounds?
• A. Rocks
• B. Plants
• C. Sediments
5.What element are all organic
matter composed of?
A.
B.
C.
D.
Hydrogen
Helium
Nitrogen
Carbon
C6H12O6
NH2CH2COOH
Fe2O3
NaCl
6. How many compounds listed above are
considered organic compounds?
A. 1
B. 2
C. 3
D. 4
7.Which of the following do
carbohydrates, like the cracker
shown above, become during
digestion?
•
•
•
•
A Amino acids
B Fatty acids
C Lipids
D Sugars
8.What is the most distinguishing
characteristic of a chemical
change?
• A The appearance of a substance
changes.
• B A new substance is formed.
• C The change can be reversed easily.
• D The identity of the substance remains
the same.
9.Which of the following examples
best reflects selective breeding?
• A The mating of two particular sheep to produce
thicker wool
• B A genetic mutation in an individual snake that
improves its sense of smell compared to others
in its population
• C A few individuals of an extinct species live in
zoos
• D Two wolf packs live in geographically separate
regions
10.What is considered to be the
lowest level of organization in a
multicellular organism?
•
•
•
•
A Cell
B Organ system
C Tissue
D Organ
11.If thinking from smallest to
largest, the organ level of
organization comes –
• A after organ system and before organism.
• B before organisms and after organ
systems.
• C before organ system and after tissue.
• D after cells and before tissue.
12. Cells can be best defined as –
• A the start of all living things on land.
• B the smallest living units of all living
things such as plants and animals.
• C found in prokaryotic organisms only.
• D found in eukaryotic organisms only.
13. Which organelle helps to create
energy within the cell?
•
•
•
•
A Mitochondria
B Nucleus
C Vacuole
D Ribosomes
14. How do birds respond when
there is a lack of food, water, and
shelter?
•
•
•
•
A Reproduce
B Hibernate
C Hide
D Migrate
15. Examples of external stimuli
include all of the following, except •
•
•
•
A sunlight.
B hunger.
C lack of food.
D a loud sound.
16. A plant relies on abiotic factors
such as the Sun, water, and soil for
survival. A plant will grow toward
sunlight. This reaction is known as –
•
•
•
•
A tropism.
B gravitropism.
C phototropism.
D positive response.
17. How does the student’s body
respond as his heart rate
increases?
•
•
•
•
A Hunger pains
B Decreased body temperature
C Breathing faster
D Vomiting
18. Which of the following shows
chemical change happening in the
digestive system?
• A. food being chewed in the mouth
• B. food reacting with gastric acids in the
stomach
• C. digested food moving to the small
intestine
19. When carbohydrates are
broken down, they change into
_____.
• A. simple sugars
• B. larger molecules
• C. energy
20. Which of the following requires
more work?
• A. a person pushing a box on flat surface
• B. a person carrying a bag of grocery
upstairs
• C. a boy sliding down the ramp
21. What energy transformation is
happening during photosynthesis ?
• A. electrical to chemical
• B. radiant to chemical
• C. chemical to nuclear
22.
A
B
• What causes the plant B to wilt ?
• A. it has a lot of water
• B. it’s in a darks environment
• C. it lacks turgor pressure
23. Roots of plants tend to grow
downward, this is due to ___.
• A. Phototropism or response to light
• B. Thigmotropism or response to touch
• C. Geotropism or response to gravity
24. Why is earth the only planet
that can support life?
• A. It’s very close to the sun
• B. It’s very far away from the sun
• C. It is the perfect distance from the sun
26. Photosynthesis manufactures
or produces________.
• A. carbon dioxide and oxygen
• B. Oxygen and water
• C. Glucose and Oxygen
26. Which of the following is not a
producer?
• A. lion
• B. grass
• C. corn
27. What is the difference between
a plant cell and an animal cell?
• A. plant cells have a vacuole and animal
cells do not
• B. plant cells have a cell membrane,
animal cells do not
• C. plant cells have a cell wall and
chlorophyll, animal cells do not
28. The nucleus of the cell is
comparable to the __________.
• A. Brain
• B. skin
• C. kidneys
29. What body system controls
growth , metabolism and releases
hormones
• A. Nervous
• B. Digestive
• C. Endocrine
30. Which of the following shows
selective breeding?
• A. Finches changing their beaks over
many generations
• B. Iguanas developing gills to survive in
water
• C. Farmers cross pollinating plant to make
a disease resistant variety
31. The organelle in plants that is
responsible for trapping sun’s
radiant energy is • A. nucleus
• B. cell wall
• C. chloroplasts
32. What body systems are involve
in the absorption of nutrients to all
cells of the body?
• A. Skeletal and Muscular
• B. Digestive and Circulatory
• C. Endocrine and Reproductive
33.
The peppered moth population surviving
over time is due toA. Selective breeding
B. Natural selection
C. Behavioral adaptation
D. Migration