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Do you want questions on fluid statics?πππ’π³
Put reactions if you want me to post them!
Do you want questions on fluid statics?πππ’π³
Put reactions if you want me to post them!
At sea level, water boils at 100ΒΊC, but at higher altitudes, it boils at 75ΒΊC. Why is that?
Anonymous Quiz
13%
The sun heats water faster at higher altitudes
39%
There is more air pressure at higher altitudes
44%
There is less air pressure at higher altitudes
4%
The gravitational pull is stronger at sea level
If mercury is toxic and needs to be handled carefully, why not use a water barometer instead?
Anonymous Quiz
16%
Water is too dense
35%
Water is reactive
14%
Water is not transparent
35%
A water barometer would need to be too tall
An object weighs 7.0 N in air and 4.0 N in water. What is the buoyant force, and does it float?
Anonymous Quiz
16%
4.0 N, No
22%
7.0 N, Yes
28%
3.0 N, No
34%
3.0 N, Yes
Lead is denser than aluminium. If equal volumes of both are immersed in water, how do their buoyant forces compare?
buoyant force
force
buoyant force
force
Anonymous Quiz
13%
Aluminium experiences more
28%
Lead experiences more buoyant
46%
Both experience the same buoyant force
13%
Depends on their masses
What is the pressure at a depth of 4 m in water? (Take acceleration due to gravity= 9.8m/sΒ²)
Anonymous Quiz
10%
400 Pa
61%
39200 Pa
20%
49000 Pa
10%
4010 Pa
At what depth in sea water is the total pressure 202 kPa? (Assume atmospheric pressure is 101 kPa)
Anonymous Quiz
19%
10.3 m
26%
5.0 m
34%
10.0 m
21%
101 m
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HUMAN skeleton
1. What is the primary function of the human skeleton?
a) Digestion
b) Respiration
c) Support and protection
d) Circulation
2. Approximately how many bones are in the adult human skeleton?
a) 106
b) 306
c) 206
d) 406
3. What is the name of the strong, fibrous connective tissue that connects bones to each other at joints?
a) Tendons
b) Ligaments
c) Cartilage
d) Periosteum
4. What is the name of the flexible connective tissue that cushions joints and is found in the nose and ears?
a) Cartilage
b) Ligaments
c) Tendons
d) Bone
5. What is the name of the membrane that covers the outer surface of bones?
a) Endosteum
b) Periosteum
c) Cartilage
d) Marrow
Bone Identification:
6. What is the longest bone in the human body?
a) Humerus
b) Tibia
c) Femur
d) Ulna
7. What is the name of the bone located in the upper arm?
a) Radius
b) Ulna
c) Humerus
d) Fibula
8. What bones protect the brain?
a) Ribs
b) Vertebrae
c) Cranium
d) Pelvis
9. What is the name of the bone commonly known as the "collarbone"?
a) Scapula
b) Clavicle
c) Sternum
d) Humerus
10. What is the name of the bone in the lower leg that is smaller than the tibia?
a) Ulna
b) Radius
c) Fibula
d) Humerus
Bone Structure & Function:
11. What is the hard, dense outer layer of bone called?
a) Spongy bone
b) Compact bone
c) Marrow
d) Cartilage
12. What is the name of the spongy, porous inner layer of bone?
a) Compact bone
b) Spongy bone
c) Marrow
d) Cartilage
13. What type of bone marrow produces blood cells?
a) Yellow bone marrow
b) Red bone marrow
c) Cartilage
d) Compact bone
14. What mineral is primarily stored in bones?
a) Iron
b) Sodium
c) Potassium
d) Calcium
15. What type of bone cell breaks down bone?
a) Osteoclasts
b) Osteoblasts
c) Chondrocytes
d) Fibroblasts
Joints and Movement:
16. What type of joint allows for the greatest range of motion?
a) Hinge joint
b) Ball-and-socket joint
c) Gliding joint
d) Pivot joint
17. What type of joint allows for movement in one plane only?
a) Ball-and-socket joint
b) Hinge joint
c) Gliding joint
d) Pivot joint
18. What type of joint allows only gliding movements?
a) Hinge joint
b) Ball-and-socket joint
c) Gliding joint
d) Pivot joint
Skeletal System Disorders:
19. What condition is characterized by decreased bone density?
a) Arthritis
b) Osteoporosis
c) Scoliosis
d) Gout
20. What is the term for a break in a bone?
a) Dislocation
b) Sprain
c) Strain
d) Fracture
Write ur answers
β―https://t.me/time_for_edu
β―https://t.me/time_for_edu
1. What is the primary function of the human skeleton?
a) Digestion
b) Respiration
c) Support and protection
d) Circulation
2. Approximately how many bones are in the adult human skeleton?
a) 106
b) 306
c) 206
d) 406
3. What is the name of the strong, fibrous connective tissue that connects bones to each other at joints?
a) Tendons
b) Ligaments
c) Cartilage
d) Periosteum
4. What is the name of the flexible connective tissue that cushions joints and is found in the nose and ears?
a) Cartilage
b) Ligaments
c) Tendons
d) Bone
5. What is the name of the membrane that covers the outer surface of bones?
a) Endosteum
b) Periosteum
c) Cartilage
d) Marrow
Bone Identification:
6. What is the longest bone in the human body?
a) Humerus
b) Tibia
c) Femur
d) Ulna
7. What is the name of the bone located in the upper arm?
a) Radius
b) Ulna
c) Humerus
d) Fibula
8. What bones protect the brain?
a) Ribs
b) Vertebrae
c) Cranium
d) Pelvis
9. What is the name of the bone commonly known as the "collarbone"?
a) Scapula
b) Clavicle
c) Sternum
d) Humerus
10. What is the name of the bone in the lower leg that is smaller than the tibia?
a) Ulna
b) Radius
c) Fibula
d) Humerus
Bone Structure & Function:
11. What is the hard, dense outer layer of bone called?
a) Spongy bone
b) Compact bone
c) Marrow
d) Cartilage
12. What is the name of the spongy, porous inner layer of bone?
a) Compact bone
b) Spongy bone
c) Marrow
d) Cartilage
13. What type of bone marrow produces blood cells?
a) Yellow bone marrow
b) Red bone marrow
c) Cartilage
d) Compact bone
14. What mineral is primarily stored in bones?
a) Iron
b) Sodium
c) Potassium
d) Calcium
15. What type of bone cell breaks down bone?
a) Osteoclasts
b) Osteoblasts
c) Chondrocytes
d) Fibroblasts
Joints and Movement:
16. What type of joint allows for the greatest range of motion?
a) Hinge joint
b) Ball-and-socket joint
c) Gliding joint
d) Pivot joint
17. What type of joint allows for movement in one plane only?
a) Ball-and-socket joint
b) Hinge joint
c) Gliding joint
d) Pivot joint
18. What type of joint allows only gliding movements?
a) Hinge joint
b) Ball-and-socket joint
c) Gliding joint
d) Pivot joint
Skeletal System Disorders:
19. What condition is characterized by decreased bone density?
a) Arthritis
b) Osteoporosis
c) Scoliosis
d) Gout
20. What is the term for a break in a bone?
a) Dislocation
b) Sprain
c) Strain
d) Fracture
Write ur answers
β―https://t.me/time_for_edu
β―https://t.me/time_for_edu
Telegram
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β©Notes
β©Worksheet
β©Exam,Books and quiz
@timeforedcation_bot
Owner @Johnson12748
What is genetic drift?
Anonymous Quiz
13%
A. A state in which allele frequencies in a population remain constant.
25%
B. A process where alleles are intentionally altered by external factors.
19%
C. A situation in a population where one allele becomes the only existing variant.
43%
D. A mechanism of evolution driven by random fluctuations in allele frequencies.
What occurs during fixation in genetic drift?
Anonymous Quiz
22%
A. Genetic equilibrium is reached
42%
B. Allele frequencies become stable
25%
C. Alleles are lost from the population
11%
D. The frequency of one allele reaches 100%
How does gene flow impact allele frequencies within populations?
Anonymous Quiz
27%
A. It increases the frequency of recessive genetic disorders.
20%
B. It causes the complete disappearance of a species from Earth.
35%
C. It introduces new alleles and alters existing allele frequencies.
18%
D. It makes small group of individuals to establish a new population.
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Personalized Home Tutoring for All Ages
πKG-University
πLanguage Offers(Amharic,Oromic,English,Chinese,Arabic and others)
πExit Exam Preparation
πCOC Preparation
πOnline Tutors&Training Center
πTraining&Other Unlimited Service Provided by β Ador Academy
β Expert Tutors: Our experienced tutors are dedicated to your child's success.
β Tailored Learning Plans: Customized lessons to fit your child's unique needs.
β Flexible Scheduling: Choose timings that suit your busy lifestyle.
β Comprehensive Subjects: Math, Science, English, and more.
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