Do You Think You're Good At Biology
This is just to test if you're as good as any regular 7th grade kid. So best of luck mate!
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Questions and Answers
- 1.
The winds from oceans that carry water and bring rain are called _________.
- A.
Cyclone
- B.
Typhoon
- C.
Monsoon
- D.
None of the Above
Correct Answer
C. MonsoonExplanation
Monsoon is the correct answer because it refers to the winds from oceans that carry water and bring rain. Monsoons are seasonal wind patterns that occur in regions with a distinct wet and dry season, such as South Asia. These winds blow from the ocean towards the land, bringing moisture and causing heavy rainfall.Rate this question:
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- 2.
A typhoon is essentialy __________ .
- A.
A flood
- B.
A cyclone / hurricane
- C.
Earthquake
- D.
None of the above
Correct Answer
B. A cyclone / hurricaneExplanation
A typhoon is essentially a cyclone/hurricane. A typhoon is a type of tropical cyclone that occurs in the western Pacific Ocean. It is characterized by strong winds, heavy rainfall, and a low-pressure center. Typhoons are similar to hurricanes in the Atlantic and eastern Pacific, but they are specifically referred to as typhoons when they occur in the western Pacific. Therefore, a typhoon is not a flood or an earthquake, but rather a specific type of cyclone/hurricane.Rate this question:
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- 3.
How does the plant in the figure adapt to reach sunlight?
- A.
By creepng along the ground
- B.
By growing thorns to hook on to support
- C.
By growing tendrils
- D.
By growing clasping roots
Correct Answer
D. By growing clasping rootsExplanation
The plant in the figure adapts to reach sunlight by growing clasping roots. Clasping roots are specialized roots that wrap around objects such as tree trunks or rocks, providing support for the plant to climb upward towards sunlight. This adaptation allows the plant to access more sunlight for photosynthesis, which is essential for its growth and survival.Rate this question:
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- 4.
Glucose + Oxygen --------------------> CO2 + H2O + EnergyThis is the chemical representation of which of the following process?
- A.
Photosynthesis
- B.
Combustion
- C.
Respiration
- D.
Breathing
Correct Answer
C. RespirationExplanation
The given chemical equation represents the process of respiration. During respiration, glucose and oxygen react to produce carbon dioxide, water, and energy. This equation accurately describes the chemical changes that occur during cellular respiration in living organisms. Photosynthesis is the process by which plants convert sunlight into glucose and oxygen, so it is not the correct answer. Combustion involves the rapid oxidation of a fuel, typically in the presence of oxygen, but it does not produce glucose or involve living organisms. Breathing is the physical process of inhaling and exhaling air, which is not represented by the chemical equation.Rate this question:
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- 5.
A tornado is ____________.
- A.
Uneven heating between two regions
- B.
Strong circulatory winds in the tropical region
- C.
A violent, twisting funnel of wind
- D.
None of these
Correct Answer
C. A violent, twisting funnel of windExplanation
A tornado is a violent, twisting funnel of wind. It is a destructive weather phenomenon characterized by a rapidly rotating column of air that is in contact with both the surface of the Earth and a cumulonimbus cloud. Tornadoes can cause significant damage to structures and pose a threat to human life. They are typically associated with severe thunderstorms and can occur in various parts of the world, although they are most common in the United States.Rate this question:
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- 6.
When air tubes in the lungs become inflamed the condition is called ____________.
- A.
Bronchitis
- B.
Lung cancer
- C.
Emphysema
- D.
Wheezing
Correct Answer
A. BronchitisExplanation
Bronchitis is the correct answer because it refers to the inflammation of the air tubes in the lungs. When these tubes become inflamed, it can cause symptoms such as coughing, difficulty breathing, and chest discomfort. Lung cancer and emphysema are different conditions that can also affect the lungs, but they do not specifically refer to the inflammation of the air tubes. Wheezing is a symptom that can occur with bronchitis, but it is not the correct term for the condition itself.Rate this question:
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- 7.
Tiny irregular, square or stare shaped structure which have no nuclei and play a major role in clotting of blood are called ____________.
- A.
RBC's
- B.
WBC's
- C.
Platelets
- D.
Antibodies
Correct Answer
C. PlateletsExplanation
Platelets are small irregular, square or star-shaped structures that do not have nuclei and are responsible for the clotting of blood. They play a major role in the formation of blood clots, which helps to stop bleeding and promote wound healing. Platelets release various substances that initiate the clotting process and form a plug at the site of injury. Without platelets, the blood would not be able to clot properly, leading to excessive bleeding and difficulty in healing wounds. Therefore, platelets are crucial components of the blood clotting mechanism.Rate this question:
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- 8.
Sugarcane plants are usually propagated by vegetive means because ____________.
- A.
They do not produce seeds
- B.
The seeds are not viable
- C.
The incidence of disease maybe reduces
- D.
All of the above
Correct Answer
B. The seeds are not viableExplanation
Sugarcane plants are usually propagated by vegetative means because the seeds of sugarcane are not viable. This means that the seeds are not able to germinate or grow into new plants. Therefore, sugarcane farmers rely on vegetative propagation methods such as stem cuttings or rhizome division to propagate sugarcane plants. This ensures that the new plants will be genetically identical to the parent plant and will have the desired characteristics. Additionally, vegetative propagation can help reduce the incidence of disease as it avoids the transmission of diseases through seeds.Rate this question:
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- 9.
Step farming prevents ____________.
- A.
Soil erosion
- B.
Afforestation
- C.
Deforestation
- D.
All of the above
Correct Answer
A. Soil erosionExplanation
Step farming, also known as terracing, involves creating flat or slightly sloped areas on hillsides to cultivate crops. This technique helps prevent soil erosion by reducing the speed at which water flows downhill, allowing it to be absorbed by the soil instead. By creating steps or terraces, the land is effectively divided into smaller sections, preventing the runoff of water and soil. Therefore, step farming is an effective method to combat soil erosion and maintain the fertility of the land.Rate this question:
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- 10.
The most fertile layer of the soil is the ________.
- A.
A - Horizon / Top soil
- B.
B - Horizon
- C.
C - Horizon
- D.
D - Horizon Bed rock
Correct Answer
A. A - Horizon / Top soilExplanation
The most fertile layer of the soil is the A - Horizon / Top soil. This layer is rich in organic matter, nutrients, and microorganisms, making it ideal for plant growth. It is also the layer where most plant roots are found. The topsoil is essential for agriculture and gardening as it provides the necessary nutrients and support for plants to thrive.Rate this question:
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- 11.
"The red blood cells are red in color due to presence of Haemoglobin".
- A.
True
- B.
False
Correct Answer
A. TrueExplanation
The red blood cells are red in color due to the presence of hemoglobin, a protein that binds to oxygen and gives blood its red color. Hemoglobin contains iron, which helps transport oxygen from the lungs to the rest of the body. Without hemoglobin, the red blood cells would not be able to carry oxygen effectively, leading to various health issues. Therefore, the statement is true.Rate this question:
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- 12.
Sea water is not potable because it is __________. ( one word )
Correct Answer
Saline
SaltyExplanation
Sea water is not potable because it is saline, meaning it contains a high concentration of salt. The high salt content makes it unsuitable for drinking as it can dehydrate the body and disrupt the balance of electrolytes.Rate this question:
- 13.
World Water Day is celebrated on _________. ( Date then Month )Note: Date should end with th , nd , rd depending on the number
Correct Answer
22nd March
March 22nd
22nd of MarchExplanation
World Water Day is celebrated on 22nd March, March 22nd, or 22nd of March.Rate this question:
- 14.
Anemometer is an instrument used to measure wind speed.
- A.
True
- B.
False
Correct Answer
A. TrueExplanation
Anemometer is a device specifically designed to measure wind speed. It consists of cups that rotate when wind blows, and the rotation is directly proportional to the wind speed. By measuring the rotation speed, anemometers provide accurate wind speed measurements. Therefore, the statement "Anemometer is an instrument used to measure wind speed" is true.Rate this question:
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- 15.
Humidity of an area is measured with a __________. (one word)
Correct Answer
HygrometerExplanation
A hygrometer is a device used to measure the humidity of an area. It typically consists of a sensor that detects the amount of moisture in the air and displays the relative humidity. By using a hygrometer, one can determine the level of moisture present in the atmosphere, which is important for various applications such as weather forecasting, indoor climate control, and scientific research.Rate this question:
- 16.
All changes in weather are caused by Earth.
- A.
True
- B.
False
Correct Answer
B. FalseExplanation
It's caused by the sun.Rate this question:
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- 17.
Moss reproduces from _________.
Correct Answer
sporesExplanation
Moss reproduces from spores, which are tiny reproductive structures that are released by the parent moss plant. These spores are dispersed by wind or water and can germinate into new moss plants under favorable conditions. This method of reproduction allows moss to colonize new areas and spread their population. Spores are a common mode of reproduction in many non-flowering plants, including mosses, ferns, and fungi.Rate this question:
- 18.
Roses reproduce from seed
- A.
True
- B.
False
Correct Answer
A. TrueExplanation
Roses reproduce from seed through a process called sexual reproduction. This involves the transfer of pollen from the male part of the flower (stamen) to the female part (pistil), resulting in the formation of seeds. These seeds can then be planted and grown into new rose plants. Therefore, it is true that roses reproduce from seed.Rate this question:
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- 19.
Q. Who discovered circulation of blood ?A. _______________ (1 word)
Correct Answer
William Harvey
Harvey
W Harvey
W. HarveyExplanation
William Harvey is the correct answer for the question. He is the scientist who discovered the circulation of blood.Rate this question:
- 20.
The main job of white blood cells is todestroy harmful bacteria.
- A.
True
- B.
False
Correct Answer
A. TrueExplanation
White blood cells, also known as leukocytes, play a crucial role in the immune system. Their main job is to defend the body against harmful bacteria, viruses, and other pathogens. They do this by identifying and destroying these invaders, either by engulfing them or producing antibodies to neutralize them. Therefore, the statement "The main job of white blood cells is to destroy harmful bacteria" is true.Rate this question:
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Mar 15, 2023Quiz Edited by
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