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WorksheetsGENERAL BIOLOGY 1&2
Total questions: 50
Worksheet time: 50mins
“Garbage disposal,” contain chemicals that breakdown wastes, animal cells have a lot.
Vacuoles
Endoplasmic Reticulum (ER)
Lysosomes
Golgi Apparatus
CYTO means?
DNA
RNA
GENES
What is the structure of ATP?
Adenine, ribose, three phosphate groups
Guanine, ribose, three phosphate groups
Thymine, deoxyribose, three phosphate groups
Adenine, ribose, two phosphate groups
What is the role of the triphosphate tail in ATP?
It provides energy for cellular work
It stores water in the cell
It carries genetic information
It helps in protein synthesis
What is the process called when a phosphate group is transferred from ATP to another molecule?
Hydrolysis
Oxidation
Phosphorylation
Dehydration synthesis
What is the mechanism of the ADP-ATP cycle?
It involves only exergonic reactions
It does not involve any chemical reactions
It involves only endergonic reactions
It alternates between endergonic and exergonic reactions
What is the energy cost of the coupled reactions involving sucrose synthesis?
+27 kJ/mol
+3 kJ/mol
-30 kJ/mol
-3 kJ/mol
What is the function of ATP in cellular processes?
It helps in cell division
It stores excess water in the cell
It energizes other molecules by transferring phosphate groups
It provides structural support to the cell
What happens to ATP when it transfers a phosphate group to another substance?
It becomes UTP
It becomes ADP
It becomes AMP
It becomes GTP
Which of the following require ATP?
I. Making DNA, RNA and proteins.
II. Active transport of ions across membranes.
III. Osmosis.
IV. Musclec ontractions.
I, II, and IV
III and IV
II and IV
IV
Which of the following statements would be a perceived advantage of ATP?
I. ATP is a stable molecule
II. Acts as an instant source of energy for the cell
III. It is a universal energy carrier and can be used in many chemical reactions
IV. It is a small mobile molecule which can be easily transported to other cells
I, II, III, and IV
I, and II
II, and III
II, III, and IV
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
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
These cells do not have a true nucleus.
Prokaryotic cell
Eukaryotic cell
Plant cell
Nerve cell
1. It is a series of chemical reactions that break down glucose to produce ATP, which may be used as energy to power many reactions throughout the body.
A. cellular respiration
B. photosynthesis
C. dark reaction
D. light reaction
2. It is the chemical changes that take place in a cell or an organism. These changes make energy and the materials cells and organisms need to grow, reproduce, and stay healthy.
A. glycolysis
B. metabolism
D. oxidative phosphorylation
D. citric acid cycle
3. It refers to the idea or the process whereby a living thing comes from another living thing, particularly of the same type.
A. univocal generation
B. spontaneous generation
C. biogenesis
D. abiogensis
5. It is the process of removing wastes and excess water from the body. It is an essential process in all living things and a major way the human body maintains homeostasis.
A. excretion
B. respiration
C. exhalation
D. anaerobic
6. It is a self-regulating process by which biological systems maintain stability while adjusting to changing external conditions.
A. transpiration
B. osmosis
C. homeostasis
D. peristalsis
7. It is the ability of an organism to move independently, using metabolic energy.
A. gravity
B. singularity
C. adaptability
D. motility
8. It is a serious condition in which part of the intestine slides into an adjacent part of the intestine.
A. intussusception
B. colonoscopy
C. intestinal ischemia
D. short bowel syndrome
10. It is the response or orientation of a plant or certain lower animals to a stimulus that acts with greater intensity from one direction than another
A. accretion
B. homeostasis
C. tropism
D. motility
When you breathe, your lungs take in ___ and remove ___.
air/oxygen
oxygen/carbon dioxide
carbon dioxide/waste
waste/air
The air sacs that are covered with capillaries where gas exchange takes place
bronchi
lungs
oxygen
alveoli
What is the site of gas exchange?
alveoli
bronchus
nose
trachea
Which of the following are features of the alveoli that adapt them to gas exchange?
I. High surface area
II. Thin walls
III. Dry surfaces
I and II only
I only
II and III
I, II, and III
What is the name of two main branches from the trachea (one to each lung)?
bronchi
alveoli
capillaries
bronchioles
Given the following structures:
1. alveoli
2. bronchi
3. bronchioles
Which of the following is the correct order in which air would flow after inhalation?
1,2,3
2,1,3
2,3,1
3,2,1
How breathing is controlled?
medulla oblongata
cardiac muscle
lungs
capillaries
What is sign for brain to send impulse for breathing?
high CO2 level
low CO2 level
high O2 level
high blood concentration
Diaphragm is
part of lungs
muscle that helps in breathing
throat muscle
structure in bones
Which of the following is not happening during inhalation?
the diaphragm contracts
the rib cage rises up
expands the volume of the chest cavity
diaphragm is relaxing
During gas exchange what enters from alveoli to the capillaries?
CO2
CO
O2
nitrogen
What structure in the leaf is the entry point of gases in plants?
Guard cells
Mesophyll
Palisade
Stoma
Which of the following organisms exemplify gas exchange through the moist skin?
Earthworm
Fish
Human
Snake
Which structures in an arthropod allows the entry of gases into its body?
Gills
Lung
Skin
Spiracles
What would happen if the lower epidermis of the leaves of plants become too dusty?
Oxygen can readily exit from the plant.
Oxygen becomes abundant inside the plant.
Carbon dioxide is trapped in the leaves for respiration.
Carbon dioxide can hardly enter the plant resulting to reduced photosynthesis.
When you hold your breath, which of the following gas changes in the blood first leads to the urge to breathe?
Rising oxygen
Falling oxygen
Rising carbon dioxide
Rising carbon dioxide and falling oxygen
Where does gas exchange take place in the lungs?
Alveolus
Alveolar bronchiole
Alveolar duct
Bronchial tube
Which of the following filters the air in the respiratory passage?
Cilia
Flagella
Epithelial tissue
Mucus
What structure in the respiratory system protects us from choking?
Epiglottis
Larynx
Pharynx
Trachea
What are referred to as extensions of specialized epidermal cells that increase the surface area for absorption in plants?
micorrhizae
root hairs
root nodules
secondary roots
What is transported by the xylem vessels in the vascular bundle?
food
glucose
starch
water
Which of the following animals exhibit open circulatory system?
frog
insect
man
snake
Which blood cell is responsible in bringing oxygen to the body cells?
erythrocyte
blood platelet
leucocyte
lymphocyte
What is the process of removing water from plants?
absorption
circulation
respiration
transpiration
