The document contains multiple choice questions about biology topics such as cell organelles, human anatomy and physiology, plant anatomy, genetics, evolution, and more. Each question is followed by 4 possible answer choices with one being the correct answer.
Biology MCQS FOR CLASS NINTH (IX) Chapter 1SuhailAhmed95
To check the answers click the link below:
https://youtu.be/zHYMbcU9eag
1. D
2. B
3. D
4. B
5. C
6. A
7, C
8. E
9. B
10. C
11. B
12. A
13. A
14. B
15. B
16. B
17. B
18, E
19. A
20. A
Biology MCQS FOR CLASS NINTH (IX) Chapter 1SuhailAhmed95
To check the answers click the link below:
https://youtu.be/zHYMbcU9eag
1. D
2. B
3. D
4. B
5. C
6. A
7, C
8. E
9. B
10. C
11. B
12. A
13. A
14. B
15. B
16. B
17. B
18, E
19. A
20. A
Power Point Presentation for Cell Biology unit using Jeopardy template. For best results, you need to download the presentation. The links do not work correctly when just viewing them on slide share.
Here is a set-2 of biology. This is as per new exam pattern in Covid- 19 pandemic for bachelors of education stream.
This is having 25 questions useful for new exam pattern of Biology subject
Power Point Presentation for Cell Biology unit using Jeopardy template. For best results, you need to download the presentation. The links do not work correctly when just viewing them on slide share.
Here is a set-2 of biology. This is as per new exam pattern in Covid- 19 pandemic for bachelors of education stream.
This is having 25 questions useful for new exam pattern of Biology subject
International space Olympiad reference book
International space Olympiad - The most enthralling and attractive event of the event would be the highly enlightening quiz on Space science. The quiz is aimed to test the wide and in depth knowledge of the aspirants in the different fields associated to space science and technology.
www.internationalspaceolympiad.com
National Space Olympiad 2015 Question BankEdumithra
National Space Olympiad 2015 Question Bank with Answers. Official Website http://nationalspaceolympiad.org.
The National Space Olympiad (NSO) is a science competition conducted in India. The competition is conducted at the Department of Physics, Cochin University of science and Technology. Students from class 8 to class 10 can participate in the competition. The National Space Olympiad is conducted in remembrance of Indian astronaut Kalpana Chawla. All students participating in NSO are given a Certificate of Participation.
The event is organized by Department of Physics, Cochin University of Science and Technology and Edumithra Intellectual Services Pvt Ltd.
The Online Examination is on 30th November 2014 and the event is on 11th January 2015 at Dept of Physics, CUSAT.
Paleontologists have found fossils dating back 3.6 billion years. .docxalfred4lewis58146
Paleontologists have found fossils dating back 3.6 billion years. These closely resemble
A.
small invertebrate animals.
B.
nothing alive today.
C.
fungi.
D.
today’s simplest plants.
E.
blue-green algae present today.
5 points
QUESTION 2
When taxonomists classify organisms using a phylogenetic approach, they are most concerned with
A.
outgroups.
B.
cladists.
C.
ingroups.
D.
ancestral traits.
E.
derived traits.
5 points
QUESTION 3
In bacteria, the cell wall is composed mainly of
A.
various polysaccharides.
B.
peptidoglycans.
C.
proteins.
D.
glycoproteins.
E.
lipids.
5 points
QUESTION 4
Which form of bacterial cells is rod shaped?
A.
cocci
B.
vibrios
C.
spirilla
D.
rhodius
E.
Bacilli
5 points
QUESTION 5
The endosymbiont hypothesis suggests that the mitochondria of eukaryotic cells are descended from captured
A.
cyanobacteria.
B.
eukaryotic algae.
C.
chemoautotrophic bacteria.
D.
archaebacteria.
E.
aerobic bacteria.
5 points
QUESTION 6
Eukaryotic cells are thought to have
A.
evolved before prokaryotic cells.
B.
appeared about 2.1 billion years ago.
C.
first appeared with tough cell walls.
D.
first appeared as parts of multicellular organisms.
E.
developed when mitochondria grew much larger in size that they had been previously.
5 points
QUESTION 7
What term is used to indicate a characteristic that is shared and inherited from a common ancestor?
A.
analogous trait
B.
homologous trait
C.
cladistic trait
D.
outgroups
E.
derived trait
5 points
QUESTION 8
Prions are composed of
A.
DNA, RNA, and protein.
B.
protein.
C.
DNA and protein.
D.
DNA.
E.
RNA.
5 points
QUESTION 9
Of the following, which kingdom contains the most diversity in terms of DNA sequences?
A.
All of these are approximately equivalently diverse.
B.
Protista
C.
Fungi
D.
Plantae
E.
Animalia
5 points
QUESTION 10
Atmospheric chemists think that Earth’s first atmosphere
A.
contained no oxygen atoms.
B.
consisted of carbon in the form of carbon dioxide.
C.
was very similar to today’s atmosphere.
D.
consisted of carbon in the form of carbon monoxide.
E.
contained nitrogen in the form of ammonia and nitrogen gas.
5 points
QUESTION 11
Rickettsias belong to which major group of bacteria?
A.
Archaea
B.
cyanobacteria
C.
spirochetes
D.
viruses
E.
Proteobacteria
5 points
QUESTION 12
The Cambrian Explosion provided a wealth of fossil remains for scientists to uncover. Many of the animals from this time period had tough skins or shells. This would
A.
make these animals more desirable to predators.
B.
be a disadvantage for these organisms and lead to their death and fossil formation.
C.
allow the animals to move into different environments easily.
D.
protect the animal from osmotic pressure.
E.
protect the animal from predators.
5 points
QUESTION 13
What is the mai.
1BIOLOGY 101 Fall 2016FINAL EXAMINATIONPlease copy and.docxfelicidaddinwoodie
1
BIOLOGY 101 Fall 2016
FINAL EXAMINATION
Please copy and paste the final examination into a Word file. Complete it in this form (do not make any structural changes!) and submit it as an attachment into your Assignment Folder.Do not forget to put your name on top of the exam!
The absolute deadline for submission is Sunday, October 16, NOON ET.
I cannot accept any later submissions.
YOUR NAME:
_______________________________________________________________
Total possible points: 100
I. Multiple choice questions. Please bold or underline the correct answer (1point each=50 points)
1. Several features, or properties, of living things may also be found in non-living things, such as fire. Of the following, which is the least likely to be found in non-living things?
A. Consumption of energy-containing molecules
B. Growth
C. Reproduction
D. Homeostasis
E. Response to external stimuli
2. Suppose you conduct an experiment which simulates glacial recession over time. What is the dependent variable in this experiment?
A. Glacial mass
B. Sunlight
C. The season
D. Time
3. If life on another planet were fundamentally like life on Earth, the macromolecules of living things would be based on which element?
A. Carbon
B. Hydrogen
C. Nitrogen
D. Oxygen
E. Phosphorus
4. The effectiveness of a medication containing growth hormones is tested on a group of young male rabbits 3 weeks of age. The best control group would be:
A. Any group of rabbits
B. A group of male rabbits, three weeks old, not given the medication
C. A group of female rabbits, three weeks old, not given the medication
D. A mixed group of male/female rabbits, three weeks old, not given the medication
E. No control is required; just measure whether the rabbits grew
5. Temperature is a measure of
A. The potential energy in a substance
B. How fast the molecule in a substance are moving
C. The energy lost from a substance to its surroundings.
D. How much heat is being absorbed by a substance
E. All of the above
6. Which of the following refers to a substance that has ‘lost’ a carbon dioxide molecule?
A. Denatured
B. Phosphorilated
C. Decarboxylated
D. Carbonated
E. Oxidated
7. Which of the following reactions or pathways is catabolic?
A. Converting glucose to carbon dioxide and water (cellular respiration)
B. Making starch from many glucose monomers
C. Photosynthesis, which builds glucose from carbon dioxide using energy from light
D. Making ATP from ADP and phosphate
8. One human disease is caused by a change in the DNA from GAA to GUA. This change is an example of:
A. Crossing-over
B. A meiosis error
C. A mitosis error
D. A mutation
9. During which part of the cell cycle is DNA polymerase most active?
A. Cytokinesis
B. G1 phase
C. G2 phase
D. S phase
E. M phase
10. Which of the following correctly describes a buffer?
A. A buffer converts an alkaline solution to neutral
B. A buffer converts an acid solution to neutral.
C. A buffer converts alkaline solutions to acid solutions.
D. A b ...
Which of these is the smallest structureA. Amino acidB. Prote.docxalanfhall8953
Which of these is the smallest structure?
A. Amino acid
B. Protein
C. Polypeptide
D. Dipeptide
2. Any energy transformation involves the loss of some energy as
A. motion.
B. heat.
C. electric charge.
D. light.
3. Which one of the following molecules is a by-product of cellular respiration?
A. Glucose
B. Oxygen
C. Water
D. Pyruvate
4. The following atoms are all variations of the element carbon: 12C, 13C, and 14C due to differing numbers of neutrons. What are these variations called?
A. Isotopes
B. Isomers
C. Molecules
D. Polymers
5. When a scientific experiment is carried out in a controlled setting, all variables are kept the same except for the _______ variable.
A. environmental
B. observational
C. experimental
D. control
6. Which of the following is a true difference between prokaryotic and eukaryotic cells?
A. Eukaryotic cells are more ancient.
B. Eukaryotic cells are less complex.
C. Eukaryotic cells are smaller.
D. Eukaryotic cells have true nuclei.
7. In a eukaryotic cell, protein synthesis occurs in the
A. nuclear envelope.
B. ribosomes.
C. smooth endoplasmic reticulum.
D. chromosomes.
8. Nucleic acids are composed of monomers called
A. base pairs.
B. amino acids.
C. nucleotides.
D. ribose.
9. Which one of the following is a trans fatty acid found in most snack foods?
A. Carboxyl acid
B. Elaidic acid
C. Oleic acid
D. Stearic acid
10. The structure that surrounds the cytoplasm in a bacterial cell is the
A. cell wall.
B. nucleoid.
C. ribsosome.
D. plasma membrane.
11. Which of these statements most accurately describes how carbon dioxide enters a leaf?
A. CO
2 is pulled in by leaf veins. B. CO2 defuses by way of the stomata.
C. CO
2 enters a leaf through osmosis. D. CO2 is carried by water in leaf veins.
12. The Calvin cycle of photosynthesis begins when
A. the reduction of carbon dioxide occurs.
B. electrons leave a photosystem.
C. light becomes available.
D. carbon dioxide is attached to RuBP.
End of exam
13. Which of the following is true about bases?
A. They release hydroxide ions in solution.
B. They have a sharp or sour taste.
C. They help to build up cells.
D. They tend to decrease the pH of a solution.
14. The two major sets of reactions involved in photosynthesis are
A. light reactions and the electron transport chain.
B. glycolysis and the citric acid cycle.
C. Calvin cycle reactions and citric acid cycles.
D. light reactions and Calvin cycle reactions.
15. Which one of the following is an example of a monosaccharide?
A. Sucrose
B. Starch
C. Cellulose
D. Glucose
Which of these is the smallest structure?
A. Amino acid
B. Protein
C. Polypeptide
D. Dipeptide
2. Any energy transformation involves the loss of some energy as
A. motion.
B. heat.
C. electric charge.
D. light.
3. Which one of the following molecules is a by-product of cellular respiration?
A. Glucose
B. Oxygen
C. Water
D. Pyruvate
4. The following atoms are all variations of the element carbon: 12C, 13C, and 14C due to differing numbers of neutrons..
1- The similarities in the mitochondrial DNA and some proteobacteria i.pdfStevenLCvWalkera
1. The similarities in the mitochondrial DNA and some proteobacteria indicate:
A. that there was a proteobacteria ancestor of eukaryotic cells.
B. proteobacteria and mitochondria are similar as a result of convergent evolution.
C. that mitochondria expelled from eukaryotic cells evolved into proteobacteria.
D. that mitochondria are likely the result of endosymbiosis of a proteobacteria and a eukaryotic
cell.
2. What makes the membranes of Archaea unique?
A. Unsaturated bonds
B. Branched lipids
C. Ester-linkages
D. Unbranched lipids
3. All but which of the following types of motion are possible for protists, but not prokaryotes?
A. flagella
B. Contractile vacuoles
C. Ciliar motion
D. Amoeboid motion
4. What gives the Radiolarans their brown color?
A. Hemoglobin
B. Endosymbiotic dinoflagellates
C. Phycoerythrin
D. Chlamydia bacteria
5. What gives the Radiolarans their brown color?
A. Hemoglobin
B. Endosymbiotic dinoflagellates
C. Phycoerythrin
D. Chlamydia bacteria.
1- Microbiology became an aceepted branch of 3- Which of these three l.docxpandoragardner78605
1. Microbiology became an aceepted branch of 3. Which of these three legs of Medical biological science Mierobiology came into use a while after A. when it was proposed, in 1546 , by Girolamo Microbiology was necepted? Fracastoro regarding objects carrying A. Sanitation pathogens. B. Vaccination. C. Antibioties B. in the late 1600 s with the invention of D. Disinfectants microscopes by Hook and van Lecuwenhoek's description of common microbes in solutions like saliva. E. Sterilization C. when objections to experiments where sterility 4. The range of different types of microbially was maintained in air-tight containers were produced chemicals circulating in your body are addressed by allowing air exchange. A. primarily pathogenic. D. when the 4 humors and treatments like bleeding B. removed by antibodies patients became unpopular and sanitation. C. primarily antibiotics. became the new focus. D. removed by kidneys. E. because discase became more of a problem, E. greater than the range from your tissues. with small pox and tuberculosis killing large numbers of people. 5. The most common phylogenetic trees of genetic diversity show that larger, multicellular creatures, like you and me, don't have a great deal of genetic diversity compared to the microbial world. But 2. Fleming discovered penicillin by structurally these multicellular creatures are quite A. chemical synthesis. diverse. Genetic diversity, on the other hand, mos B. observing infections. importantly corresponds to diversity in gene C. studying antibiotics. A. sequence. D. therapy. D. studying contamination. B. regulation. E. translation. E. analyzing moldy oranges. 6. Henatz Scmmelweis was not a popponent of porm theory bur his stery is instructive in understanding obsatacles to germ theory beenule A. doetor's warda had 3 times the mortality of whitr elycucatyx inclube midwife wards. B. his peers dismissed his ideas, since they ran contrary to established medical opinion. C. puemeral fever (or childbed fever) was common in mid-19th-century hospitals. D. the handwashing decreased mortakity rates. A. phaposytiring (enfeling) oher cetiti. E. he proposed the practice of washing with chlorinated lime solution. B. preventing phapocyrosis by other cells. glyoocalyz. D. cataking cavities H. faking of surface skin cells oft from the 7. These are mostly Koch's postulates, out of order. Choose the one not from Koch's postulates. The pathogen: A. can be isolated and grown in pure culture. B. must be present in all eases of the disease. C. must be found in most animals, for compatibility. D. must be reisolated from the new host and shown to be the same strain. E. pure culture isolate must cause the disease. 12. The Gram positive cell envelope does not include A. cytosolic membranc. B. Peptidoglycan. Chapter 3 C. molecular anchors for peptidoglycan. D. proteins blocking entry to peptidoglycan 8. Bacterial translation of mRNA typically occurs E. All of these are Gram positive features. A. in the n.
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.
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.
Model Attribute Check Company Auto PropertyCeline George
In Odoo, the multi-company feature allows you to manage multiple companies within a single Odoo database instance. Each company can have its own configurations while still sharing common resources such as products, customers, and suppliers.
The Art Pastor's Guide to Sabbath | Steve ThomasonSteve Thomason
What is the purpose of the Sabbath Law in the Torah. It is interesting to compare how the context of the law shifts from Exodus to Deuteronomy. Who gets to rest, and why?
The French Revolution, which began in 1789, was a period of radical social and political upheaval in France. It marked the decline of absolute monarchies, the rise of secular and democratic republics, and the eventual rise of Napoleon Bonaparte. This revolutionary period is crucial in understanding the transition from feudalism to modernity in Europe.
For more information, visit-www.vavaclasses.com
Palestine last event orientationfvgnh .pptxRaedMohamed3
An EFL lesson about the current events in Palestine. It is intended to be for intermediate students who wish to increase their listening skills through a short lesson in power point.
How to Make a Field invisible in Odoo 17Celine George
It is possible to hide or invisible some fields in odoo. Commonly using “invisible” attribute in the field definition to invisible the fields. This slide will show how to make a field invisible in odoo 17.
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.
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.
4. Which is the brain of the cell?
A. Nucleus
B. Golgo bodies
d. mitochondria
C. Chloroplast
D. Mitochondrion
5. What organs act as filters by removing
wastes such as urea from the blood?
A. kidney
B. heart
d. mitochondria
C. liver
D. lungs
6. Which of this is a good example of a
base ?
A. Sodium hydroxide
B. Water or H2O
d. mitochondria
C. Vegetable oil
D. Hydrocloric acid
7. Which microscope uses lenses and
objectives to magnify?
A. atomic force microscope
B. compound light microscope
d. mitochondria
C. scanning electron microscope
D. transmission electron microscope
8. Which of the following forms of life is
not eukaryotic?
A. a bacterial cell
B. protist such as an amoeba
d. mitochondria
C. a plant cell like gumamela
D. a human cell such as a red blood cell
9. As bones grow older, they harden
because of bone cells and minerals.
What do you call this process?
A. Osteomalacia
B. osteoarthritis
d. mitochondria
C. ossification
D. osteoporosis
10. What is the disease caused by lack of
insulin?
A. diabetes
B. dwarfism
d. mitochondria
C. giantism
D. goiter
11. Which of the following is the entry
point of proteins into cellular
respiration?
A. acetyl CoA
B. oxaloacetic acid
d. mitochondria
C. pyruvic acid
D. all of them
12. Which of the following is NOT a cause
of infertility?
A. Physical difficulties
B. Irregular menstrual cycle
d. mitochondria
C. Low sperm count in males
D. Erectile disfunction
13. The vascular bundles are responsible
for the distribution of nutrients to all
parts of the plant. These are made up
of the following:
A. endodermis only
d. mitochondria
B. xylem and phloem
C. xylem and endodermis
D. phloem and endodermis
14. A nucleotide is composed of:
A. base only
d. mitochondria
B. protein only
C. sugar only
D. sugar, phosphate and base
15. Which idea stems from the theory of
evolution?
A. The earth is relatively young.
d. mitochondria
B Each organism is specially created.
C. Species are related by common descent
D. A mix of fossils in a region indicates that a
local catastrophe occurred.