The document contains 20 multiple choice questions about various science topics related to the human body, biology, chemistry, and earth science. The questions cover topics like the circulatory system, blood, nutrition, the atmosphere, plants, and basic particles. The answers to each question are provided at the end.
A Presentation of a selection of puzzles and thinking problems of different types to exercise the brain and mind. Answers are provided for all the puzzles and problems.
A Presentation of a selection of puzzles and thinking problems of different types to exercise the brain and mind. Answers are provided for all the puzzles and problems.
MULTIPLE CHOICE1. In science, a hypothesis must be A) a kno.docxrosemarybdodson23141
MULTIPLE CHOICE
1. In science, a hypothesis must be
A) a known fact B) testable C) derived from a theory D) able to be proven absolutely true
2. Which of the following includes all the others?
A) population B) cell C) organism D) atom
3. A sodium atom has 11 protons, 12 neutrons, and 11 electrons. The atomic number of
sodium isA) 11 B) 12 C) 23 D) 34
4. If you place the probe of a pH meter in an unknown liquid and it reads
pH 10, the liquid is A) an acid B) neutral C) a base
5. A carbon atom of mass number 12 and a carbon atom of mass number 14 are
A) covalent B) compounds C) isotopes D) ions
6. This polysaccharide forms fibers that are a major component of plant cell walls:
A) glucose B) starch C) cellulose D) glycogen
7. Glycerol is a building block of A) starch B) enzymes C) vegetable oil D) DNA
8. Which of these types of molecules contain nitrogen?
A) polysaccharides B) phospholipids C) proteins
9. Prokaryotic cells, with no nucleus or membranous organelles, are found in
A) animals B) bacteria C) fungi D) plants
10. The main function of a ribosome is to
A) extract energy from glucose B) synthesize glucose C) store food in the form of fat
D) synthesize proteins
11. Mitochondria
A) package proteins for secretion from cell B) contain chromosomes
C) are sites of oxidation of glucose to generate ATP D) synthesize proteins
12. The plasma membrane consists of
A) a single layer of phospholipid molecules
B) a double layer of phospholipid molecules in which proteins are embedded
C) several layers of protein and carbohydrate molecules
D) a triple layer of phospholipids and carbohydrates
13. The movement of molecules from a region of low concentration across a membrane
to a region of high concentration by use of ATP energy is
A) active transport B)diffusion C) passive transport D) osmosis
14. The oxygen in our atmosphere is produced by
A) greenhouse effect B) cellular respiration C) photosynthesis D) volcanic eruptions
15. Yeast cells break down glucose anaerobically into
A) ethanol and CO2 B) lactic acid and CO2
C) lactic acid and H2O D) ethanol and H2O
16. The net energy gain from complete cellular respiration is
A) 2 ATP B) 4 ATP C) 8 ATP D) 36-38 ATP
17. Carbon dioxide is released in A) the light-dependent phase of photosynthesis
B) the Krebs cycle C) glycolysis D) the Calvin cycle
18. If the concentration of glucose in the water outside of a cell is higher than the
concentration inside,
A) water will tend to enter the cell by osmosisB) water will tend to leave the cell by osmosis C) glucose will tend to enter the cell by osmosis D) glucose will tend to leave the cell by osmosis
19. What happens if a red blood cell is placed in a hypotonic solution?
A) the cel.
Download free papers and solutions at www.misostudy.com. NEET 2018 Sample Paper of Biology. For appearing in the competitive exam of the country students need to practice more sample papers and previous papers.
MULTIPLE CHOICE1. In science, a hypothesis must be A) a kno.docxrosemarybdodson23141
MULTIPLE CHOICE
1. In science, a hypothesis must be
A) a known fact B) testable C) derived from a theory D) able to be proven absolutely true
2. Which of the following includes all the others?
A) population B) cell C) organism D) atom
3. A sodium atom has 11 protons, 12 neutrons, and 11 electrons. The atomic number of
sodium isA) 11 B) 12 C) 23 D) 34
4. If you place the probe of a pH meter in an unknown liquid and it reads
pH 10, the liquid is A) an acid B) neutral C) a base
5. A carbon atom of mass number 12 and a carbon atom of mass number 14 are
A) covalent B) compounds C) isotopes D) ions
6. This polysaccharide forms fibers that are a major component of plant cell walls:
A) glucose B) starch C) cellulose D) glycogen
7. Glycerol is a building block of A) starch B) enzymes C) vegetable oil D) DNA
8. Which of these types of molecules contain nitrogen?
A) polysaccharides B) phospholipids C) proteins
9. Prokaryotic cells, with no nucleus or membranous organelles, are found in
A) animals B) bacteria C) fungi D) plants
10. The main function of a ribosome is to
A) extract energy from glucose B) synthesize glucose C) store food in the form of fat
D) synthesize proteins
11. Mitochondria
A) package proteins for secretion from cell B) contain chromosomes
C) are sites of oxidation of glucose to generate ATP D) synthesize proteins
12. The plasma membrane consists of
A) a single layer of phospholipid molecules
B) a double layer of phospholipid molecules in which proteins are embedded
C) several layers of protein and carbohydrate molecules
D) a triple layer of phospholipids and carbohydrates
13. The movement of molecules from a region of low concentration across a membrane
to a region of high concentration by use of ATP energy is
A) active transport B)diffusion C) passive transport D) osmosis
14. The oxygen in our atmosphere is produced by
A) greenhouse effect B) cellular respiration C) photosynthesis D) volcanic eruptions
15. Yeast cells break down glucose anaerobically into
A) ethanol and CO2 B) lactic acid and CO2
C) lactic acid and H2O D) ethanol and H2O
16. The net energy gain from complete cellular respiration is
A) 2 ATP B) 4 ATP C) 8 ATP D) 36-38 ATP
17. Carbon dioxide is released in A) the light-dependent phase of photosynthesis
B) the Krebs cycle C) glycolysis D) the Calvin cycle
18. If the concentration of glucose in the water outside of a cell is higher than the
concentration inside,
A) water will tend to enter the cell by osmosisB) water will tend to leave the cell by osmosis C) glucose will tend to enter the cell by osmosis D) glucose will tend to leave the cell by osmosis
19. What happens if a red blood cell is placed in a hypotonic solution?
A) the cel.
Download free papers and solutions at www.misostudy.com. NEET 2018 Sample Paper of Biology. For appearing in the competitive exam of the country students need to practice more sample papers and previous papers.
Operation “Blue Star” is the only event in the history of Independent India where the state went into war with its own people. Even after about 40 years it is not clear if it was culmination of states anger over people of the region, a political game of power or start of dictatorial chapter in the democratic setup.
The people of Punjab felt alienated from main stream due to denial of their just demands during a long democratic struggle since independence. As it happen all over the word, it led to militant struggle with great loss of lives of military, police and civilian personnel. Killing of Indira Gandhi and massacre of innocent Sikhs in Delhi and other India cities was also associated with this movement.
Instructions for Submissions thorugh G- Classroom.pptxJheel Barad
This presentation provides a briefing on how to upload submissions and documents in Google Classroom. It was prepared as part of an orientation for new Sainik School in-service teacher trainees. As a training officer, my goal is to ensure that you are comfortable and proficient with this essential tool for managing assignments and fostering student engagement.
How to Split Bills in the Odoo 17 POS ModuleCeline George
Bills have a main role in point of sale procedure. It will help to track sales, handling payments and giving receipts to customers. Bill splitting also has an important role in POS. For example, If some friends come together for dinner and if they want to divide the bill then it is possible by POS bill splitting. This slide will show how to split bills in odoo 17 POS.
We all have good and bad thoughts from time to time and situation to situation. We are bombarded daily with spiraling thoughts(both negative and positive) creating all-consuming feel , making us difficult to manage with associated suffering. Good thoughts are like our Mob Signal (Positive thought) amidst noise(negative thought) in the atmosphere. Negative thoughts like noise outweigh positive thoughts. These thoughts often create unwanted confusion, trouble, stress and frustration in our mind as well as chaos in our physical world. Negative thoughts are also known as “distorted thinking”.
This is a presentation by Dada Robert in a Your Skill Boost masterclass organised by the Excellence Foundation for South Sudan (EFSS) on Saturday, the 25th and Sunday, the 26th of May 2024.
He discussed the concept of quality improvement, emphasizing its applicability to various aspects of life, including personal, project, and program improvements. He defined quality as doing the right thing at the right time in the right way to achieve the best possible results and discussed the concept of the "gap" between what we know and what we do, and how this gap represents the areas we need to improve. He explained the scientific approach to quality improvement, which involves systematic performance analysis, testing and learning, and implementing change ideas. He also highlighted the importance of client focus and a team approach to quality improvement.
The Roman Empire A Historical Colossus.pdfkaushalkr1407
The Roman Empire, a vast and enduring power, stands as one of history's most remarkable civilizations, leaving an indelible imprint on the world. It emerged from the Roman Republic, transitioning into an imperial powerhouse under the leadership of Augustus Caesar in 27 BCE. This transformation marked the beginning of an era defined by unprecedented territorial expansion, architectural marvels, and profound cultural influence.
The empire's roots lie in the city of Rome, founded, according to legend, by Romulus in 753 BCE. Over centuries, Rome evolved from a small settlement to a formidable republic, characterized by a complex political system with elected officials and checks on power. However, internal strife, class conflicts, and military ambitions paved the way for the end of the Republic. Julius Caesar’s dictatorship and subsequent assassination in 44 BCE created a power vacuum, leading to a civil war. Octavian, later Augustus, emerged victorious, heralding the Roman Empire’s birth.
Under Augustus, the empire experienced the Pax Romana, a 200-year period of relative peace and stability. Augustus reformed the military, established efficient administrative systems, and initiated grand construction projects. The empire's borders expanded, encompassing territories from Britain to Egypt and from Spain to the Euphrates. Roman legions, renowned for their discipline and engineering prowess, secured and maintained these vast territories, building roads, fortifications, and cities that facilitated control and integration.
The Roman Empire’s society was hierarchical, with a rigid class system. At the top were the patricians, wealthy elites who held significant political power. Below them were the plebeians, free citizens with limited political influence, and the vast numbers of slaves who formed the backbone of the economy. The family unit was central, governed by the paterfamilias, the male head who held absolute authority.
Culturally, the Romans were eclectic, absorbing and adapting elements from the civilizations they encountered, particularly the Greeks. Roman art, literature, and philosophy reflected this synthesis, creating a rich cultural tapestry. Latin, the Roman language, became the lingua franca of the Western world, influencing numerous modern languages.
Roman architecture and engineering achievements were monumental. They perfected the arch, vault, and dome, constructing enduring structures like the Colosseum, Pantheon, and aqueducts. These engineering marvels not only showcased Roman ingenuity but also served practical purposes, from public entertainment to water supply.
Read| The latest issue of The Challenger is here! We are thrilled to announce that our school paper has qualified for the NATIONAL SCHOOLS PRESS CONFERENCE (NSPC) 2024. Thank you for your unwavering support and trust. Dive into the stories that made us stand out!
Students, digital devices and success - Andreas Schleicher - 27 May 2024..pptxEduSkills OECD
Andreas Schleicher presents at the OECD webinar ‘Digital devices in schools: detrimental distraction or secret to success?’ on 27 May 2024. The presentation was based on findings from PISA 2022 results and the webinar helped launch the PISA in Focus ‘Managing screen time: How to protect and equip students against distraction’ https://www.oecd-ilibrary.org/education/managing-screen-time_7c225af4-en and the OECD Education Policy Perspective ‘Students, digital devices and success’ can be found here - https://oe.cd/il/5yV
Ethnobotany and Ethnopharmacology:
Ethnobotany in herbal drug evaluation,
Impact of Ethnobotany in traditional medicine,
New development in herbals,
Bio-prospecting tools for drug discovery,
Role of Ethnopharmacology in drug evaluation,
Reverse Pharmacology.
2. 1. Blood enters in the lungs from which chamber of the
heart ?
a)Right atrium
b)Right ventricle
c)Left atrium
d)Left ventricle
3. 2. Blood enters in other parts of body (without lungs)from which
chamber of the heart
a)Right atrium
b)Right ventricle
c)Left atrium
d)Left ventricle
4. 3. blood gets oxygenated in which part of body
a) liver
b) lungs
c) kidneys
d) heart
5. 4. In human blood % of water is approximately :
a)60%
b) 70%
c) 80%
d)90%
6. 5.Metal involved in blood clotting is
a)Potassium
b)Iron
c)Calcium
d)Magnesium
7. 6 . universal blood donor group is :
a) O＋
b) O－
c) Ab+
d) Non of these
17. 16. Most of the Ozone layer in the atmosphere is
concentrated in
a)Mesosphere
b)Troposphere
c)Stratosphere
d)Ionosphere
18. 17. Sky looks blue in color on the surface of earth because
a)The moisture present in air
b)The scattering of light by dust in atmosphere
c)Combination of various lights producing blue color
d)All of these
19. 18. Pants are called the .............. of nature .
a) stomach
b) liver
c) heart
d) lungs
20. 19. What makes the green colour of plants .
a) chlorophyll
b) chloroplast
c) plasmids
d) non of these
21. 20. Process that helps green plants to prepare their own
food is
a) transpiration
b) photosynthesis
c) guttation
d) non of these
22. ANSWERS :
1. b 11. c
2. a 12. d
3. b 13. c
4. d 14. b
5. c 15. d
6. b 16. c
7. c 17. b
8. c 18. d
9. a 19.a
10.d 20 .b
