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SSC CGL Exam  >  SSC CGL Tests  >  Test: SSC CGL Previous Year Questions: Biology (2023-20) - 6 - SSC CGL MCQ

Test: SSC CGL Previous Year Questions: Biology (2023-20) - 6 - SSC CGL MCQ


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30 Questions MCQ Test - Test: SSC CGL Previous Year Questions: Biology (2023-20) - 6

Test: SSC CGL Previous Year Questions: Biology (2023-20) - 6 for SSC CGL 2024 is part of SSC CGL preparation. The Test: SSC CGL Previous Year Questions: Biology (2023-20) - 6 questions and answers have been prepared according to the SSC CGL exam syllabus.The Test: SSC CGL Previous Year Questions: Biology (2023-20) - 6 MCQs are made for SSC CGL 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: SSC CGL Previous Year Questions: Biology (2023-20) - 6 below.
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Test: SSC CGL Previous Year Questions: Biology (2023-20) - 6 - Question 1
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In which year did Rudolf Ludwig Karl Virchow formulate his famous aphorism 'Omnis cellula-e cellula' which became a part of the foundation of cell theory?
[SSC CHSL 17/08/2023 (4th shift)]

Detailed Solution for Test: SSC CGL Previous Year Questions: Biology (2023-20) - 6 - Question 1

Cell was first discovered by Robert Hooke in 1665. Cell theory was proposed by Theodor Schwann in 1839.

Test: SSC CGL Previous Year Questions: Biology (2023-20) - 6 - Question 2
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A renowned scientist observed that the presence of green mould prevented the growth of bacteria. Who is the scientist and which discovery did this observation lead to?
[SSC MTS 18/07/2022 (Evening)]

Detailed Solution for Test: SSC CGL Previous Year Questions: Biology (2023-20) - 6 - Question 2
Alexander Fleming, Penicillin. Penicillins are used in the treatment of throat infections, meningitis, syphilis, and various other infections. It is in the beta-lactam antibiotic class of drugs.
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Test: SSC CGL Previous Year Questions: Biology (2023-20) - 6 - Question 3
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Which ecologist’s research provided revolutionary new insights into how energy and nutrients move through the ecosystems?
[SSC CHSL 31/05/2022 (Morning)]

Detailed Solution for Test: SSC CGL Previous Year Questions: Biology (2023-20) - 6 - Question 3
Raymond Laurel Lindeman was an ecologist whose graduate research is credited with being a seminal study in the field of ecosystem ecology, specifically on the topic of trophic dynamics.
Test: SSC CGL Previous Year Questions: Biology (2023-20) - 6 - Question 4
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Who shared the Nobel Prize in Physiology or Medicine 2005 with Barry J Marshall for the discovery of the Helicobacter pylori bacterium and its role in gastritis and peptic ulcer disease?
[SSC CHSL 31/05/2022 (Evening)]
Detailed Solution for Test: SSC CGL Previous Year Questions: Biology (2023-20) - 6 - Question 4
(b) J. Robin Warren. Paul Lauterbur, Peter Manseld (2003; Magnetic resonance imaging). Richard Axel and Linda B. Buck (2004; olfactory system). Mario R. Capecchi, Sir Martin J. Evans and Oliver Smithies (2007; gene modications in mice).
Test: SSC CGL Previous Year Questions: Biology (2023-20) - 6 - Question 5
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In 1972, ________ coined the term ‘pyramid of numbers’ that represented the total numbers of individuals (population) present in each trophic level.
[SSC CHSL 09/06/2022 (Evening)]
Detailed Solution for Test: SSC CGL Previous Year Questions: Biology (2023-20) - 6 - Question 5
(d) Charles Elton. Eugene Pleasants Odum is known for his pioneering work on ecosystem ecology. Ernst Haeckel coined the term 'ecology' in 1866 to describe the “economies” of living forms. Tansley coined the term “ecosystem” to recognize the integration of the biotic community and its physical environment.
Test: SSC CGL Previous Year Questions: Biology (2023-20) - 6 - Question 6
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Who among the following developed the Cholera vaccine in 1885?
[SSC MTS 06/10/2021 (Evening)]
Detailed Solution for Test: SSC CGL Previous Year Questions: Biology (2023-20) - 6 - Question 6
(b) Jaime Ferrán. Scientists and first Vaccine: Edward Jenner - Smallpox vaccine; Jonas Salk - Polio vaccine; Leon Calmette - Tuberculosis vaccine.
Test: SSC CGL Previous Year Questions: Biology (2023-20) - 6 - Question 7
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Which scientist won the Nobel Prize in 1915 for describing the nature of the structure of chlorophyll in plants and also noted magnesium as the central element in its structure?
[SSC CHSL 26/10/2020 (Afternoon)]
Detailed Solution for Test: SSC CGL Previous Year Questions: Biology (2023-20) - 6 - Question 7
(d) Richard Willstätter. Paul Hermann Müller - “for his discovery of the high efficiency of DDT as a contact poison against several arthropods”.
Test: SSC CGL Previous Year Questions: Biology (2023-20) - 6 - Question 8
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Whose invention led to the development of the polio vaccine?
[SSC CPO 13/12/2019 (Evening)]
Detailed Solution for Test: SSC CGL Previous Year Questions: Biology (2023-20) - 6 - Question 8
(b) Jonas Salk (1952). Robert Wellberg - Gene of cancer.
Test: SSC CGL Previous Year Questions: Biology (2023-20) - 6 - Question 9
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In 1869, who named a new term ‘Oecologie’ that defined the study of the relationship of organisms with their environment?
[SSC CHSL 27/05/2022 (Morning)]
Detailed Solution for Test: SSC CGL Previous Year Questions: Biology (2023-20) - 6 - Question 9
Eugene Odum is the father of modern ecology.
Test: SSC CGL Previous Year Questions: Biology (2023-20) - 6 - Question 10
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The scientific study of dreams is called ______.
[SSC CGL 24/08/2021 (Evening)]
Detailed Solution for Test: SSC CGL Previous Year Questions: Biology (2023-20) - 6 - Question 10
Morphology - The study of the form and structure of organisms and their specific structural features. Kalology: Study of facial beauty.
Test: SSC CGL Previous Year Questions: Biology (2023-20) - 6 - Question 11
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Which of the following is a eukaryotic, multicellular and autotrophic organism?
[SSC Stenographer 12/10/2023 (Afternoon)]
Detailed Solution for Test: SSC CGL Previous Year Questions: Biology (2023-20) - 6 - Question 11
Fungi and Animals are eukaryotic and multicellular, but they are heterotrophic. Bacteria are prokaryotic and unicellular.
Test: SSC CGL Previous Year Questions: Biology (2023-20) - 6 - Question 12
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Due to rapid urbanisation, the human lifestyle has changed severely; obesity is a major health issue in such conditions. Which of the following is a reason for obesity?
[SSC MTS 11/09/2023 (1st Shift)]
Detailed Solution for Test: SSC CGL Previous Year Questions: Biology (2023-20) - 6 - Question 12
A high intake of saturated fat may eventually raise levels of low-density lipoprotein (LDL) cholesterol in the body. This in turn increases the risk of cardiovascular disease and stroke. HDL (high-density lipoprotein) cholesterol, sometimes called “good” cholesterol, absorbs cholesterol in the blood and carries it back to the liver. Obesity can cause heart disease, diabetes, high blood pressure, high cholesterol, liver disease, sleep apnea, and certain cancers.
Test: SSC CGL Previous Year Questions: Biology (2023-20) - 6 - Question 13
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Which of the following states has the National Academy of Sciences?
[SSC CHSL 07/08/2023 (1st shift)]
Detailed Solution for Test: SSC CGL Previous Year Questions: Biology (2023-20) - 6 - Question 13
The National Academy of Sciences (Established in 1930) is the oldest science academy in India.
Test: SSC CGL Previous Year Questions: Biology (2023-20) - 6 - Question 14
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Which plant is considered a noxious weed that has a chemical defence mechanism to protect it from predators?
[SSC CGL 19/07/2023 (2nd shift)]
Detailed Solution for Test: SSC CGL Previous Year Questions: Biology (2023-20) - 6 - Question 14
It produces a compound called cardiac glycosides as a defence mechanism. Other plants with chemical defences: Poison Ivy (Toxicodendron radicans) - Contains urushiol, Poppies (Papaver) - Produce alkaloids such as morphine and codeine, Tobacco (Nicotiana) - Contains nicotine.
Test: SSC CGL Previous Year Questions: Biology (2023-20) - 6 - Question 15
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Which of the following statements is FALSE?
[SSC CGL 26/07/2023 (1st shift)]
Detailed Solution for Test: SSC CGL Previous Year Questions: Biology (2023-20) - 6 - Question 15
It is an essential amino acid that cannot synthesise on its own and must be obtained from the diet. It plays a crucial role in protein synthesis and muscle repair. Amino acids are the building blocks of proteins. The 9 essential amino acids are: Histidine, Isoleucine, Leucine, Lysine, Methionine, Phenylalanine, Threonine, Tryptophan, and Valine.
Test: SSC CGL Previous Year Questions: Biology (2023-20) - 6 - Question 16
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What do you call the type of drugs that mimic the natural messenger by switching on the receptor?
[SSC CGL Tier II (02/03/2023)]
Detailed Solution for Test: SSC CGL Previous Year Questions: Biology (2023-20) - 6 - Question 16
Stimulants are a class of drugs that speed up messages travelling between the brain and body. Examples: Caffeine, nicotine, amphetamines, cocaine, etc.
Test: SSC CGL Previous Year Questions: Biology (2023-20) - 6 - Question 17
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Nutritional care during illness is an organised group of activities which consists of all of the following, EXCEPT:
[SSC CGL Tier II (07/03/2023)]
Detailed Solution for Test: SSC CGL Previous Year Questions: Biology (2023-20) - 6 - Question 17
The Nutrition Care Process (NCP) is a systematic approach to providing high-quality nutrition care. The NCP consists of four distinct, interrelated steps: Nutrition Assessment, Nutrition Diagnosis, Nutrition Intervention, Nutrition Monitoring/Evaluation.
Test: SSC CGL Previous Year Questions: Biology (2023-20) - 6 - Question 18
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Husk of a coconut is made of ______ tissue.
[SSC CGL 03/12/2022 (2nd Shift)]
Detailed Solution for Test: SSC CGL Previous Year Questions: Biology (2023-20) - 6 - Question 18
Tissues of Plants: Dermal Tissues {epidermal cells, stomata, trichomes}, Ground tissues {Collenchyma (provide mechanical strength and elasticity to plants), parenchyma (to store food and provide turgidity to organ), sclerenchyma}, and Vascular tissue {Vessel elements, tracheids, companion cells and sieve tubes}. Xylem is a vascular tissue that transports water throughout a plant's body.
Test: SSC CGL Previous Year Questions: Biology (2023-20) - 6 - Question 19
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Roquefortine C is found in :
[SSC CGL 03/12/2022 (4th Shift)]
Detailed Solution for Test: SSC CGL Previous Year Questions: Biology (2023-20) - 6 - Question 19

Roquefortine C (C22H23N5O2) - Found in cheese. Although it is a potent neurotoxin at high doses, at low concentrations of 0.05 to 1.47 mg/kg that occur in domestic cheeses, it was found to be "safe for the consumer". It is a mycotoxin - Mycotoxins are naturally occurring toxins produced by certain moulds (fungi) and can be found in food. Other mycotoxins found in foods - Aatoxins in nuts, grains, dried gs and milk; Patulin in apple juice, etc.

Test: SSC CGL Previous Year Questions: Biology (2023-20) - 6 - Question 20
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Who among the following proposed the term ‘ecosystem’?
[SSC CGL 06/12/2022 (3rd Shift)]
Detailed Solution for Test: SSC CGL Previous Year Questions: Biology (2023-20) - 6 - Question 20
The term “ecology” was coined by Ernst Haeckel. Hannes Lindemann: He made two solo transatlantic crossings, first sailing dugout canoe made while working in Liberia and the second in a 17-foot Klepper Aerius II double folding kayak. Turreson was a Swedish evolutionary botanist who made significant contributions to ecological genetics, and coined the terms ecotype and agamospecies.
Test: SSC CGL Previous Year Questions: Biology (2023-20) - 6 - Question 21
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Identify a fomite from the following.
[SSC CGL 13/12/2022 (1st Shift)]
Detailed Solution for Test: SSC CGL Previous Year Questions: Biology (2023-20) - 6 - Question 21
Fomites are objects or materials that are likely to carry disease-causing organisms. Examples: Soiled clothes, towels, linen, handkerchiefs, cups, glass, books, etc. The common infectious diseases spread through fomites include Adenovirus, Coronavirus.
Test: SSC CGL Previous Year Questions: Biology (2023-20) - 6 - Question 22
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Why does one get cramps after sudden physical activity?
[SSC CGL 13/12/2022 (3rd Shift)]
Detailed Solution for Test: SSC CGL Previous Year Questions: Biology (2023-20) - 6 - Question 22
During sudden physical activity, there is a lack of oxygen in our muscle cells and the pathway for the breakdown of pyruvate into lactic acid develops cramps in the body. Lactic acid (CH₃CHCOOH) is mainly produced in muscle cells and red blood cells.
Test: SSC CGL Previous Year Questions: Biology (2023-20) - 6 - Question 23
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Which of the following is an example of artificial ecosystem?
[SSC MTS 05/07/2022 (Morning)]
Detailed Solution for Test: SSC CGL Previous Year Questions: Biology (2023-20) - 6 - Question 23
Examples of artificial ecosystems: gardens, aquariums, agriculture fields, zoos, etc. Natural ecosystems include ponds, rivers, forests, etc.
Test: SSC CGL Previous Year Questions: Biology (2023-20) - 6 - Question 24
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Which of the following is considered to be the purest form of natural water (distilled water) free from impurities?
[SSC MTS 05/07/2022 (Evening)]
Detailed Solution for Test: SSC CGL Previous Year Questions: Biology (2023-20) - 6 - Question 24
Spring water comes directly from a protected underground source, where the water naturally surfaces on its own.
Test: SSC CGL Previous Year Questions: Biology (2023-20) - 6 - Question 25
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Which of the following statements is correct?
I. Converting plant and animal waste including that from kitchen into manure is called composting.
II. The method of making compost from kitchen garbage using redworms is called vermicomposting.
[SSC MTS 14/07/2022 (Evening)]
Detailed Solution for Test: SSC CGL Previous Year Questions: Biology (2023-20) - 6 - Question 25
Composting means breaking down organic material. There are three types of composting: aerobic, anaerobic, and vermicomposting.
Test: SSC CGL Previous Year Questions: Biology (2023-20) - 6 - Question 26
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When the bread rises and bakes, ______ creates thousands of bubbles in the dough.
[SSC MTS 25/07/2022 (Evening)]
Detailed Solution for Test: SSC CGL Previous Year Questions: Biology (2023-20) - 6 - Question 26
Bread rises because yeast eats sugar and burps carbon dioxide, which gets trapped by the bread’s gluten. The more sugar yeast eats, the more gas that gets formed, and the higher the bread rises.
Test: SSC CGL Previous Year Questions: Biology (2023-20) - 6 - Question 27
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A balanced diet takes care of all the following aspects, EXCEPT one. Identify the aspect.
[SSC CHSL 30/05/2022 (Evening)]
Detailed Solution for Test: SSC CGL Previous Year Questions: Biology (2023-20) - 6 - Question 27
Promotes a healthy mind. The 7 components of a balanced diet are Carbohydrates, Proteins, Fats, Vitamins, Minerals, Fibre and Water.
Test: SSC CGL Previous Year Questions: Biology (2023-20) - 6 - Question 28
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Name a common ingredient made from the starchy part of corn kernels used as a thickening agent for gravies, marinades, sauces, soups and casseroles.
[SSC CHSL 08/06/2022 (Afternoon)]
Detailed Solution for Test: SSC CGL Previous Year Questions: Biology (2023-20) - 6 - Question 28
Corn starch is the most common thickening agent used in the industry. It is mixed with water or juice and boiled to make fillings and to give a glossy semi-clear finish to products. Potato starch is also used to thicken soups, sauces, and pie fillings. Gelatin is a protein obtained by boiling skin, tendons, ligaments, and/or bones with water. It is usually obtained from cows or pigs. Pectin is a fiber found in fruits.
Test: SSC CGL Previous Year Questions: Biology (2023-20) - 6 - Question 29
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A/an ______ is any substance that causes your immune system to produce antibodies against it.
[SSC MTS 02/11/2021 (Evening)]
Detailed Solution for Test: SSC CGL Previous Year Questions: Biology (2023-20) - 6 - Question 29
Antigen is composed of proteins, peptides, and polysaccharides. Any portion of bacteria or viruses, such as surface protein, coat, capsule, toxins, and cell wall, can serve as antigens.
Test: SSC CGL Previous Year Questions: Biology (2023-20) - 6 - Question 30
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Which part of the human body has the growth stages divided into - Anagen, Catagen and Telogen?
[SSC CHSL 15/04/2021 (Morning)]
Detailed Solution for Test: SSC CGL Previous Year Questions: Biology (2023-20) - 6 - Question 30
Anagen is the growth phase. The catagen phase follows the anagen stage. It is a 1 to 2 week transition stage between anagen and telogen. The telogen phase is referred to as the resting phase which typically lasts for 3 months.
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