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WorksheetsBIOLOGY PART 2
Total questions: 100
Worksheet time: 50mins
The number of ATP molecules produced by the Krebs Cycle per glucose molecule is
2
3
4
0
Krebs Cycle takes place in the:
Cytoplasm
Mitochondrial matrix
Ribosome
Intermembrane Space
Main products of the Calvin Cycle
Oxygen, NADP+, ADP
Glucose, CO2, ADP
ADP, NADP+, Glucose
ATP, NADPH, Oxygen
The Calvin Cycle occurs in the
Thylakoid
Grana
Inner membrane of chloroplast
Stroma
Which of the following is true of the Calvin Cycle?
carbon dioxide and energy (ATP and NADPH) are used to make organic compounds
energy is absorbed from sunlight and converted to chemical energy stored in ATP and NADPH
Occurs in the thylakoid
Occurs in the cytoplasm
Nitrogen fixation...
animals eat the plants and other animals that contain nitrogen and release it through their waste
Bacteria in the soil and lightning in the atmosphere "fix" the nitrogen
Once in the ground, bacteria in the soil also nitrify the nitrogen
plants absorb nitrogen through their roots and return it back to the atmosphere
Nitrification...
animals eat the plants and other animals that contain nitrogen and release it through their waste
Bacteria in the soil and lightning in the atmosphere "fix" the nitrogen
Once in the ground, bacteria in the soil also nitrify the nitrogen
plants absorb nitrogen through their roots and return it back to the atmosphere
13. Ammonification...
a. animals eat the plants and other animals that contain nitrogen and release it through their waste
b. Bacteria in the soil and lightning in the atmosphere "fix" the nitrogen
c. Once in the ground, bacteria in the soil also nitrify the nitrogen
d. plants absorb nitrogen through their roots and return it back to the atmosphere
Assimilation...
animals eat the plants and other animals that contain nitrogen and release it through their waste
Bacteria in the soil and lightning in the atmosphere "fix" the nitrogen
Once in the ground, bacteria in the soil also nitrify the nitrogen
plants absorb nitrogen through their roots and return it back to the atmosphere
15. Denitrification...
animals eat the plants and other animals that contain nitrogen and release it through their waste
Bacteria in the soil and lightning in the atmosphere "fix" the nitrogen
nitrogen is released back into the atmosphere from the animal's waste or decomposers
plants absorb nitrogen through their roots and return it back to the atmosphere
16. The process that converts nitrogen gas into a usable form for plants and animals is known as:
Nitrogen fixation
Photosynthesis
Respiration
Transpiration
The process in which nitrogen circulates and is recycled is called
The nitrogen cycle
The carbon cycle
The water cycle
The phosphorus cycle
Organisms that need nitrogen to survive.
only plants
only animals
only bacteria
all living things
Part of the plant that absorbs water.
flower
leaves
roots
stem
Part of the plant that is long, transports nutrients, water, and keep the plant stable in the ground.
petals
leaves
roots
stem
What does the stem of the plant do?
It makes food for the plant.
It takes in the water from the ground.
It moves water and food to other plant parts.
What do the leaves of a plant do?
They make the food for the plant.
They take in the water from the ground.
They hold up the plant.
A group of organs that work together to perform the same function is called ____________?
cells
tissues
organ system
organs
What is responsible for delivering oxygen and removing carbon dioxide from the body?
cell nucleus
excretory system
nervous tissue
respiratory system
The __________ is the main organ of the nervous system.
heart
lungs
brain
skin
What is the central nervous system (CNS) made of?
brain and spinal cord
brain and cranial nerves
spinal cord and spinal nerves
cranial nerves and spinal nerves
What is the purpose of the myelin sheath on the axon?
To maintain temperature
To improve conductivity
To protect the axon
To release neurotransmitters
Sensory neurons carry nerve impulses from the sense organs and internal organs (like your stomach) to the
peripheral nervous system (PNS)
central nervous system (CNS)
muscles
sense organs
A signal molecule that transmits nerve impulses across synapses
neuron
neurotransmitter
nerve
action potential
Part of a neuron that receives information from other neurons
axon
dendrites
myelin sheath
synapse
Location at which a neuron can transfer an impulse to another cell with the use of neurotransmitters is called ___________.
axon
threshold
synapse
The part of the neuron that takes information away from the cell body is called a(n) _____________.
dendrite
axon
cell body
Schwann cell
These carry signals from tissues and organs to the brain and spinal cord
Sensory Neurons
Motor Neurons
Efferent Neurons
Glial Cells
These neuron processes transmit information from the sensory organs to the central nervous system
efferent
afferent
These neuron processes transmit information from the central nervous system to the muscles and glands
efferent
afferent
This part of the nervous system regulates involuntary actions such as heart function, blood pressure, breathing, digestion.
Autonomic Nervous System
Sensory Nervous System
Motor Nervous System
Peripheral Nervous System
What is one of the main organs in the digestive system?
Stomach
Lungs
Heart
Blood cells
What does the digestive system do?
Takes your energy away
pumps blood
Breaks down food and gives you Energy and nutrients
detoxifies the body
How does the system help the body survive?
helps the body breath
helps the body do its business
protects body
gives nutrients
What have you learn about the digestive system?
breaks down food and gives you energy
Allows you to breath and gives you energy
Gives you nutrients and breaks down food
Detoxifies your body
What is the process carried out in the Excretory System?
The skin
The urine
The waste
The heart
What is the job of your Excretory System?
To bring oxygen into your body
To break down food
To pump blood around the body
To remove waste from your body
According to him, all plants are made up of cells.
Schleiden
Schwann
Virchow
Hooke
What body of thought states that living creatures could arise from nonliving matter?
spontaneous generation
non-spontaneous generation
creationism
none of the above
What did Hooke first examine?
Pond water
Plant cells
Cork
Who noted that animals are made of cells and concluded that all living things are made of cells and cell products?
Rudolf Virchow
Anton van Leeuwenhoek
Theodor Schwann
Robert Hooke
Cell theory was first proposed in 1838. Evidence obtained through additional scientific investigations resulted in the current cell theory. Which statement describes a component of the original cell theory that was removed because of the new scientific knowledge?
All living things are made of cells.
All cells come from other preexisting cells.
Cells form through spontaneous generation.
Cells are the basic structural and functional units of life.
Which invention from the 17th century allowed for the development of modern cell theory?
x-rays
computers
the light microscope
the scanning electron microscope
What is the smallest bone in the human body?
Stapes
Malleus
Incus
Patella
Cells with nucleus and can be identified as multicellular
Active Cell
Passive Cell
Prokaryotic
Eukaryotic
It is a porous membrane (with pores) which permit the movement of selective substances in and out of the cell.
Cell Membrane
Cytoplasm
Nucleus
Nucleolus
Made up of a jelly like substance called cytosol inside the cell membrane which holds the organelles in the cell.
Cell Wall
Cytoplasm
Nucleus
Nucleolus
The center of a cell, a spherical body containing the nucleolus.
Cell Wall
Cytoplasm
Nucleus
Each human cell contains how many pairs of chromosomes?
20
21
22
23
Unique cells in that they originate as unspecialized cells and have the ability to develop into specialized cells that can be used to build specific organs or tissues.
Stem Cells
Bone Cells
Blood Cells
Nerve Cells
A cell type with three primary types: osteoclasts, osteoblasts, and osteocytes.
Nerve Cells
Blood Cells
Bone Cells
Stem Cells
From transporting oxygen throughout the body to fighting infection, this cell is vital to life and is produced by bone marrow.
Stem Cells
Bone Cells
Blood Cells
Nerve Cells
This cell type enables all bodily movement and produces three types of cells: skeletal, cardiac, and smooth.
Fat Cells
Skin Cells
Muscle Cells
Cancer Cells
Cells also called adipocytes, are a major cell component of adipose tissue. Adipocytes contain droplets of stored fat (triglycerides) that can be used for energy.
Fat Cells
Muscle Cells
Skin Cells
Cancer Cells
Cells that destroy the body result from the development of abnormal cell properties that cause cells to divide uncontrollably and spread to other locations.
Fat Cells
Muscle Cells
Skin Cells
Cancer Cells
Cells undergo a process that occurs after cell division where the newly formed cells are structurally modified so that they can perform their function efficiently and effectively.
Cell Transport
Cell Specialization
Cell Division
Cell Transfer
A stage in cell division where the cell is engaged in metabolic activity and performing its prepare for mitosis.
Interphase
Prophase
Metaphase
Telophase
Chromatids arrive at opposite poles of cell, and new membranes form around the daughter nuclei
Prophase
Metaphase
Anaphase
Telophase
The exchange of chromosome segments between non sister chromatids in meiosis
Chromatids
Diploid
Cross Over
Haploid
A Set of Chromosome represented by: 2n=46
Chromatid
Diploid
Cross Over
Haploid
Which one reign is prokariotc
Animalia
Fungi
Monera
Protisti
Which organelle produces energy for the cell?
Golgi apparatus
Mithochondrion
Nucleum
Endoplasmic Reticulum
Who used first binomial nomenclature?
Darwin
Linneum
Hopkins
Newton
Which scientist is fundamental for his evolutionary theory?
Monod
Darwin
Hopkins
Einstein
The nucleus is the
Power house of the cell
Waste collector in the cell
Control center of the cell
Packaging center of the cell
It is the waste collector and recycler in the animal cell
Ribosome
Vesicle
Central vacuole
Lysosome
Centrosome and centrioles play a major role in
Cell movement
Cell division
Cell contraction
Cell membrane
Centrosome and centrioles play a major role in
Cell movement
Cell division
Cell contraction
Cell membrane
It is mainly membrane-enclosed spaces stacked on top of each other
Rough ER
Mitochondria
Smooth ER
Golgi Apparatus
Movement of anything from an area of high concentration to low concentration.
Diffusion
Hypotonic
Isotonic
Passive Transport
The animal that is hunted and killed for food.
Decomposer
Predator
Scavenger
Prey
Which term refers to the process by which individuals that are better suited to the environment survive and reproduce therefore passing down their genes to their offspring?
Evolution
Variation
Adaptation
Natural Selection
The amount of energy that usually transfers from one trophic level to the next...
10%
20%
80%
50%
Which scientist looked at cork under a microscope and labeled the little rooms he saw, 'cells?'
Hooke
Leeuwenhoek
Schwann
Schleiden
What is the name of our galaxy?
Double Dutch
Cookies n Cream
Milky Way
Rocky Road
The process of abiogenesis is powered by ________ and __________?
Thor and Zeus
Lightning and radiation
MERALCO AND Batellec
Rain and Fuel
The first cells that formed in Earth.
Protons
Neutrons
Protocells
Neutrocells
Which of the following shows the correct sequence for the scientific method inquiry?
Conclusion, Experimentation, Hypothesis, Observation
Observation, Experimentation, Hypothesis, Conclusion
Observation, Hypothesis, Experimentation, Conclusion
Experimentation, Conclusion, Observation, Hypothesis
How is "Xx" categorized in genetics?
Homozygous dominant
Homozygous recessive
Heterozygous dominant
Heterozygous recessive
Where does the process of photosynthesis occur?
Cytosol
Thylakoid
Nucleus
Stomata
In what phase do chromosomes align at the center of the cell in preparation for sorting?
Prophase
Metaphase
Anaphase
Telophase
Which of the following DOES NOT belong to the group?
Carbohydrates
Hydrocarbons
Protein
It is known as the powerhouse of the cell.
ATP
Ribosome
Nucleus
Mitochondria
It contains the genetic material of the cell.
Nucleus
Golgi apparatus
Ribosome
Mitochondria
Which organelle stores water for use in photosynthesis?
Chloroplast
Cell Membrane
Vacuole
Nucleus
Select all that are products of Photosynthesis.
Water
Carbon Dioxide
Oxygen
Sunlight (Light Energy)
Glucose (Sugar/food)
What three things do plants need?
Water, air, and sunlight.
Water, soil, and sunlight.
Water, soil, and air.
Love, family, and Cheetos.
Which choice correctly shows the gases that enter and exit plants during photosynthesis?
Enter: Oxygen Exit: Carbon dioxide
Enter: Water vapor Exit: Glucose
Enter: Carbon dioxide Exit: Oxygen
Enter: Light Exit: Water vapor
How does most of the water needed by the plant get into its leaves?
It enters through the stomata
The roots absorb it and then it travels up the stem
It's made during a chemical reaction in the leaf
The flowers capture water and deliver it to the leaves
Chlorophyll is green because
it absorbs green wavelengths of light
it absorbs blue and yellow wavelengths of light
it reflects green wavelengths of light
it is an optical illusion caused by the transmission of light
Which part of the eye is the clear, protective outer layer that light passes through first?
A. Iris
B. Lens
C. Cornea
D. Retina
What is the colored part of the eye that controls the size of the pupil?
A. Sclera
B. Iris
C. Optic Nerve
D. Ciliary Body
The pupil is the black, central opening in the eye. What is its main function?
A. To keep the eyeball round.
B. To provide the eye with color.
C. To regulate the amount of light entering the eye.
D. To send signals to the brain.
Which light-sensitive layer at the back of the eye contains photoreceptor cells (rods and cones) and converts light into electrical signals?
A. Cornea
B. Lens
C. Sclera
D. Retina
Which part of the eye changes shape to fine-tune the focusing of light onto the retina?
A. Cornea
B. Iris
C. Lens
D. Pupil
The primary function of the tiny hairs and mucus lining the nasal cavity is to:
A. Help produce the voice.
B. Send signals to the brain for smell.
C. Filter dust and germs from the inhaled air.
D. Warm the blood circulating in the head.
Which structure is a wall of cartilage and bone that divides the nasal cavity into two separate passages?
A. Nasal concha
B. Nasal septum
C. Olfactory bulb
D. Turbinate
What is the name of the area in the upper nasal cavity that contains the specialized nerve cells responsible for the sense of smell?
A. Nasopharynx
B. Nasal vestibule
C. Olfactory region (or epithelium)
D. Sinus cavity
The scroll-shaped bones inside the nose that warm and humidify the air we breathe are called:
A. Ethmoid bones
B. Vomer bones
C. Maxilla
D. Nasal conchae (or turbinates)
After air is inhaled through the nostrils, it passes into a large chamber at the back of the nose. What is this chamber called?
A. The pharynx
B. The nasal cavity
C. The frontal sinus
D. The palate
