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SSC CGL Exam  >  SSC CGL Tests  >  Test: SSC CGL Previous Year Questions: Biology (2023-20) - 2 - SSC CGL MCQ

Test: SSC CGL Previous Year Questions: Biology (2023-20) - 2 - SSC CGL MCQ


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30 Questions MCQ Test - Test: SSC CGL Previous Year Questions: Biology (2023-20) - 2

Test: SSC CGL Previous Year Questions: Biology (2023-20) - 2 for SSC CGL 2024 is part of SSC CGL preparation. The Test: SSC CGL Previous Year Questions: Biology (2023-20) - 2 questions and answers have been prepared according to the SSC CGL exam syllabus.The Test: SSC CGL Previous Year Questions: Biology (2023-20) - 2 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) - 2 below.
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Test: SSC CGL Previous Year Questions: Biology (2023-20) - 2 - Question 1
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Match the columns.

[SSC CGL 26/07/2023 (4th shift)]

Detailed Solution for Test: SSC CGL Previous Year Questions: Biology (2023-20) - 2 - Question 1

Gaucher disease - It is the result of a buildup of certain fatty substances in certain organs, particularly spleen and liver. Hunter syndrome - It occurs in children assigned male at birth (AMAB). Child’s body doesn’t properly break down (digest) certain sugar molecules. Tay - Sachs disease - A rare genetic disorder passed from parents to child, caused by the absence of an enzyme that helps break down fatty substances (Gangliosides). Phenylketonuria (PKU) - An inherited disorder that causes an amino acid called phenylalanine to build up in the body.

Test: SSC CGL Previous Year Questions: Biology (2023-20) - 2 - Question 2
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Deficiency of which of the following vitamins in the human diet causes a disease called xerophthalmia?
[SSC CHSL Tier II 26/06/2023]

Detailed Solution for Test: SSC CGL Previous Year Questions: Biology (2023-20) - 2 - Question 2
Vitamin A is essential for vision and its deficiency leads to xerophthalmia, which can result in blindness. Vitamin A was discovered by Casimir Funk in 1912.
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Test: SSC CGL Previous Year Questions: Biology (2023-20) - 2 - Question 3
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Which among the following organs in the human body is most affected by Pneumonia disease?
[SSC MTS 08/05/2023 (Afternoon)]

Detailed Solution for Test: SSC CGL Previous Year Questions: Biology (2023-20) - 2 - Question 3
Pneumonia is an inflammation of the lungs caused by bacterial, viral, or fungal infections. Streptococcus pneumoniae (pneumococcus bacteria) is the most common cause. Symptoms include cough, fever, chest pain, and loss of appetite.
Test: SSC CGL Previous Year Questions: Biology (2023-20) - 2 - Question 4
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Which among the following is NOT a bacterial disease?
[SSC MTS 12/05/2023 (Evening)]
Detailed Solution for Test: SSC CGL Previous Year Questions: Biology (2023-20) - 2 - Question 4

It is a Zoonotic and viral disease. It is caused by Ribonucleic Acid (RNA) virus that is present in the saliva of rabid animals (dog, monkey, etc.). Rabies Vaccine was discovered by Louis Pasteur in 1885

Test: SSC CGL Previous Year Questions: Biology (2023-20) - 2 - Question 5
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Which of the following is 'NOT' an example of communicable diseases?
[SSC MTS 15/05/2023 (Afternoon)]
Detailed Solution for Test: SSC CGL Previous Year Questions: Biology (2023-20) - 2 - Question 5

Diabetes. Communicable diseases - Caused by viruses or bacteria, that spread to one another through contact with contaminated surfaces, bodily uids, blood products, insect bites, or through the air. Examples - HIV, hepatitis A, B, and C, measles, inuenza, coronaviruses, and blood-borne illnesses.

Test: SSC CGL Previous Year Questions: Biology (2023-20) - 2 - Question 6
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The disease-causing microbes are called ________.
[SSC MTS 16/06/2023 (Evening)]
Detailed Solution for Test: SSC CGL Previous Year Questions: Biology (2023-20) - 2 - Question 6

Pathogens. Examples of Pathogens - Bacteria (Tuberculosis), Viruses (Covid - 19), Fungi (Candidiasis), Protists (Malaria), Parasitic worms (Taeniasis). Toxins - Substances created by plants and animals that are poisonous to humans. Example - Anthrax lethal toxin (Produced by Bacillus anthracis).

Test: SSC CGL Previous Year Questions: Biology (2023-20) - 2 - Question 7
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Which of the following disease is caused by fungi?
[SSC CHSL 21/03/2023 (1st Shift)]
Detailed Solution for Test: SSC CGL Previous Year Questions: Biology (2023-20) - 2 - Question 7
Fungi are responsible for various diseases in human beings. Aspergillus infection, Athlete's foot, Jock itch, Ringworm, Coccidioidomycosis, Sporotrichosis, valley fever, histoplasmosis are a few of the many deadly diseases caused by fungi. Tuberculosis, Anthrax, Tetanus, Leptospirosis, Pneumonia, Cholera, Botulism are the diseases caused by bacteria.
Test: SSC CGL Previous Year Questions: Biology (2023-20) - 2 - Question 8
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________ is a technique in which cancer cells are damaged with radiation, while limiting the harm to nearby healthy tissue.
[SSC MTS 07/07/2022 (Afternoon)]
Detailed Solution for Test: SSC CGL Previous Year Questions: Biology (2023-20) - 2 - Question 8
Chemotherapy is a drug treatment that uses powerful chemicals to kill fast-growing cells in your body. Physiotherapy is a treatment to restore, maintain, and make the most of a patient's mobility, function, and well-being. Surgery is a branch of medicine that is concerned with the treatment of injuries, diseases, and other disorders by manual and instrumental means.
Test: SSC CGL Previous Year Questions: Biology (2023-20) - 2 - Question 9
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Typhoid fever is caused by ______.
[SSC MTS 20/07/2022 (Morning)]
Detailed Solution for Test: SSC CGL Previous Year Questions: Biology (2023-20) - 2 - Question 9
Its diseases and their causative agents - Diphtheria (Corynebacterium diphtheriae), Cholera (Vibrio cholerae), Leprosy (Mycobacterium leprae), Pertussis (Bordetella pertussis), Tetanus (Clostridium tetani), Plague (Yersinia pestis), etc.
Test: SSC CGL Previous Year Questions: Biology (2023-20) - 2 - Question 10
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Which of the following diseases CANNOT be prevented by vaccination?
[SSC CGL 12/04/2022 (Morning)]
Detailed Solution for Test: SSC CGL Previous Year Questions: Biology (2023-20) - 2 - Question 10
It is caused by the lack of Vitamin B1 (Thiamine). Imovax is a vaccine used as a rabies pre-exposure immunization. Parenteral Vi polysaccharide and oral Ty21a are both acceptable forms of typhoid vaccine. Measles can be prevented with the MMR vaccine.
Test: SSC CGL Previous Year Questions: Biology (2023-20) - 2 - Question 11
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Which of the following is NOT a type of mosquito?
[SSC CGL 21/04/2022 (Afternoon)]
Detailed Solution for Test: SSC CGL Previous Year Questions: Biology (2023-20) - 2 - Question 11
Limulus is a genus of horseshoe crab. Culex, a large group of mosquitoes also known as common house mosquitoes, are the principal vectors that spread the viruses that cause West Nile fever, St. Louis encephalitis, and Japanese encephalitis. Aedes aegypti, the yellow fever mosquito, is a mosquito that can spread dengue fever, chikungunya, Zika fever, Mayaro, and yellow fever viruses.
Test: SSC CGL Previous Year Questions: Biology (2023-20) - 2 - Question 12
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AMR occurs when bacteria, viruses, fungi, and parasites change over time and no longer respond to medicines, making infections harder to treat and increasing the risk of disease spread, severe illness, and death. What is the full form of AMR?
[SSC CHSL 12/04/2021 (Morning)]
Detailed Solution for Test: SSC CGL Previous Year Questions: Biology (2023-20) - 2 - Question 12
AMR stands for Antimicrobial Resistance. It refers to the resistance of microorganisms (bacteria, fungi, viruses, and parasites) to antimicrobial drugs that were once effective at treating infections caused by these microorganisms.
Test: SSC CGL Previous Year Questions: Biology (2023-20) - 2 - Question 13
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Trachoma is a preventable disease that results from poor hygiene and sanitation. Which of the following body parts does it affect?
[SSC CHSL 19/04/2021 (Morning)]
Detailed Solution for Test: SSC CGL Previous Year Questions: Biology (2023-20) - 2 - Question 13
Trachoma is a disease of the eye caused by infection with the bacterium Chlamydia trachomatis. Blindness from trachoma is irreversible if untreated.
Test: SSC CGL Previous Year Questions: Biology (2023-20) - 2 - Question 14
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Which of the following diseases is caused by Helicobacter pylori?
[SSC CHSL 04/08/2021 (Evening)]
Detailed Solution for Test: SSC CGL Previous Year Questions: Biology (2023-20) - 2 - Question 14
Helicobacter pylori is a type of bacteria that causes infection in the stomach. It is the main cause of peptic ulcers, and it can also cause gastritis and stomach cancer.
Test: SSC CGL Previous Year Questions: Biology (2023-20) - 2 - Question 15
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Nyctophobia is the fear of:
[SSC CPO 14/03/19 (Morning)]
Detailed Solution for Test: SSC CGL Previous Year Questions: Biology (2023-20) - 2 - Question 15
Fear of birds (Ornithophobia), fear of animals (Zoophobia), fear of light (Photophobia).
Test: SSC CGL Previous Year Questions: Biology (2023-20) - 2 - Question 16
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Which of the following is NOT an example of "viviparous" animals?
[SSC MTS 14/06/2023 (Morning)]
Detailed Solution for Test: SSC CGL Previous Year Questions: Biology (2023-20) - 2 - Question 16
Bird. Viviparous - Animals that give birth to offspring, both fertilization and the development of the embryo takes place inside the female reproductive system. Examples - Dolphin, Whales, Humans, Cat, Elephant, Dogs, Cow. Oviparous - Animals that lay Eggs which can be either fertilized or unfertilized. Examples - Birds, lizards, frogs, chickens, alligators, snakes, crocodiles, fishes, etc.
Test: SSC CGL Previous Year Questions: Biology (2023-20) - 2 - Question 17
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A type of asexual reproduction in which new plants are produced from roots, stems, leaves, and buds is known as:
[SSC MTS 26/10/2021 (Afternoon)]
Detailed Solution for Test: SSC CGL Previous Year Questions: Biology (2023-20) - 2 - Question 17
Vegetative propagation. Layering is a technique of plant propagation where the new plant remains at least partially attached to the mother plant while forming new roots.
Test: SSC CGL Previous Year Questions: Biology (2023-20) - 2 - Question 18
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The primary function of which channel protein is to transport water across the cell membrane in response to the osmotic gradient created by active solute transport?
[SSC Stenographer 12/10/2023 (Morning)]
Detailed Solution for Test: SSC CGL Previous Year Questions: Biology (2023-20) - 2 - Question 18
Aquaporins. These are a family of small, integral membrane proteins that are expressed broadly throughout the animal and plant kingdoms. Mucins: Heavily O-glycosylated linear glycoproteins that are secreted by higher organisms to protect and lubricate epithelial cell surfaces. Transferrin: A blood plasma glycoprotein that plays a central role in iron metabolism and is responsible for ferric-ion delivery. Cupredoxins: Small proteins that contain type I copper centers. They function as electron transfer shuttles between proteins.
Test: SSC CGL Previous Year Questions: Biology (2023-20) - 2 - Question 19
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Most centrioles have a ______________ structure of triple microtubules, which are present in pairs and arranged orthogonally after duplication.
[SSC Stenographer 12/10/2023 (Afternoon)]
Detailed Solution for Test: SSC CGL Previous Year Questions: Biology (2023-20) - 2 - Question 19
9 + 0. The centrioles form the basal body of cilia or flagella, and spindle fibers that give rise to the spindle apparatus during cell division in animal cells. The central part of the proximal region of the centriole is also proteinaceous and called the hub, which is connected with tubules of the peripheral triplets by radial spokes made of protein. In animal cells, centrioles also form the spindle apparatus during cell division.
Test: SSC CGL Previous Year Questions: Biology (2023-20) - 2 - Question 20
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The main function of centriole is:
[SSC CPO 04/10/2023 (Morning)]
Detailed Solution for Test: SSC CGL Previous Year Questions: Biology (2023-20) - 2 - Question 20
Centrosome - An organelle containing two cylindrical structures called centrioles. Centrioles form the basal body of cilia or agella, and spindle fibres that give rise to spindle apparatus during cell division in animal cells. It plays a role in organizing microtubules that serve as the cell's skeletal system. They help determine the locations of the nucleus and other organelles within the cell.
Test: SSC CGL Previous Year Questions: Biology (2023-20) - 2 - Question 21
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How big are red blood cells in diameter?
[SSC CPO 04/10/2023 (Afternoon)]
Detailed Solution for Test: SSC CGL Previous Year Questions: Biology (2023-20) - 2 - Question 21
7.5 μm. Red blood cells (erythrocytes) - It is rich in hemoglobin, an iron-rich molecule that can bind oxygen and also imparts red color to the blood. RBC is produced in the bone marrow (erythropoiesis process) and has a life cycle of 120 days. RBC is recycled by macrophages. RBC Disorders: Anemia (Lower than normal RBC), Polycythemia (Excess of RBC), Sickle Cell Disease (Genetic Disorder causes RBCs to take on a crescent shape), Thalassemia (Genetic blood disorders that result in abnormal hemoglobin production).
Test: SSC CGL Previous Year Questions: Biology (2023-20) - 2 - Question 22
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Which cell organelle appears as rounded or sausage-shaped structures under electron microscopy, measuring about 0.5 - 1.0 μm in diameter and 2-8 μm in length?
[SSC CPO 05/10/2023 (Morning)]
Detailed Solution for Test: SSC CGL Previous Year Questions: Biology (2023-20) - 2 - Question 22
Mitochondria (Powerhouse of the cell). Lysosome - It contains digestive enzymes. If the cell gets damaged, then lysosomes digest their own cell, hence Known as Suicide Bag of cell.
Test: SSC CGL Previous Year Questions: Biology (2023-20) - 2 - Question 23
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What is the length of a bacterial cell?
[SSC CPO 05/10/2023 (Afternoon)]
Detailed Solution for Test: SSC CGL Previous Year Questions: Biology (2023-20) - 2 - Question 23
3 to 5 μm. Bacteria are single-celled microorganisms. Bacterial cell - Prokaryotic cells, lacking well-defined nuclei and membrane-bound organelles, and with chromosomes composed of a single closed DNA circle. Length of cells in organisms: Human - 20-30 micrometres. Plants - 10 to 100 micrometers.
Test: SSC CGL Previous Year Questions: Biology (2023-20) - 2 - Question 24
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Which part of a cell converts nutrients into energy?
[SSC CHSL 03/08/2023 (2nd shift)]
Detailed Solution for Test: SSC CGL Previous Year Questions: Biology (2023-20) - 2 - Question 24
Mitochondria - Double membrane-bound cell organelles present in most eukaryotic organisms (such as animals, plants and fungi). Chromosome - A thread-like microscopic structure formed by coiling of DNA packaged with protein containing all genetic material of an organism.
Test: SSC CGL Previous Year Questions: Biology (2023-20) - 2 - Question 25
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Which cell analysis technique is used to rapidly analyse single cells or particles as they flow through single or multiple lasers while suspended in a buffered salt-based solution?
[SSC CHSL 03/08/2023 (4th shift)]
Detailed Solution for Test: SSC CGL Previous Year Questions: Biology (2023-20) - 2 - Question 25
Flow cytometry - It is a laser-based technique used to detect and analyze the chemical and physical characteristics of cells or particles, It is to evaluate bone marrow, peripheral blood and other fluids in your body. Mass spectroscopy - Used to identify and quantify molecules by measuring their mass-to-charge ratio. Electrochemical analysis - Used to measure the electrical properties of cells or particles. Multiple displacement amplification - Used to amplify DNA.
Test: SSC CGL Previous Year Questions: Biology (2023-20) - 2 - Question 26
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Which of the following cell organelles can make copies of themselves?
[SSC CHSL 10/08/2023 (2nd shift)]
Detailed Solution for Test: SSC CGL Previous Year Questions: Biology (2023-20) - 2 - Question 26
Mitochondria (Powerhouse of cells). Vacuole - A membrane-bound cell organelle. In animal cells, vacuoles are generally small and help sequester waste products.
Test: SSC CGL Previous Year Questions: Biology (2023-20) - 2 - Question 27
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Which type of haploid unicellular eukaryote cells has a diameter of ~10 μm, and about half of their volume is occupied by cup-shaped chloroplasts?
[SSC CHSL 10/08/2023 (4th shift)]
Detailed Solution for Test: SSC CGL Previous Year Questions: Biology (2023-20) - 2 - Question 27
Chlamydomonas: Single-celled green algae found in both freshwater and marine habitats. It reproduces asexually by zoospores, hypnospores. Hydrodictyon (water net): green algae, found in freshwater. Ulva (sea lettuce): Green algae, found in marine environments. Oedogonium: Green algae, found in freshwater ponds, streams, and even in some terrestrial environments with high humidity.
Test: SSC CGL Previous Year Questions: Biology (2023-20) - 2 - Question 28
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Which of the following cells are found in the liver of mammals?
[SSC CGL 14/07/2023 (3rd shift)]
Detailed Solution for Test: SSC CGL Previous Year Questions: Biology (2023-20) - 2 - Question 28
Kupffer cells. They are resident liver macrophages and maintain liver functions. They are the first innate immune cells and protect the liver from bacterial infections. Purkinje cells - They are a unique type of neuron, specific to the cerebellar cortex. Microglia cells are resident cells of the brain that regulate brain development, maintenance of neuronal networks, and injury repair. Sensory cells - They occur in specialized organs such as the eyes, ears, nose, and mouth, as well as internal organs.
Test: SSC CGL Previous Year Questions: Biology (2023-20) - 2 - Question 29
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In a plant, ______ is present in the middle lamella, primary cell and secondary walls and accumulates in the initial stages of development during cell expansion.
[SSC CGL 19/07/2023 (3rd shift)]
Detailed Solution for Test: SSC CGL Previous Year Questions: Biology (2023-20) - 2 - Question 29
Pectin (polysaccharide) - A soluble bre found in fruits. Chitin - A long chain polymer of N -acetylglucosamine, an amide derivative of glucose, forms a long chain polymer. Present in cell walls and septa of all pathogenic fungi and cyst walls of pathogenic amoebae. Gelatin - A food ingredient found in soups, broths, sauces, gummy candies, marshmallows, cosmetics, and medications. Alginate - Naturally occurring anionic polymer typically obtained from brown seaweed.
Test: SSC CGL Previous Year Questions: Biology (2023-20) - 2 - Question 30
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Which form of leucoplast specializes in oil synthesis and storage and is mainly found in the layer of cells in pollen grains that develop pollen grains?
[SSC CGL 24/07/2023 (4th shift)]
Detailed Solution for Test: SSC CGL Previous Year Questions: Biology (2023-20) - 2 - Question 30
Elaioplasts - These are plastids that are specialized in oil synthesis and found primarily in the layer of cells. Gerontoplasts - Type of plastid formed during leaf senescence (deterioration with age), Derived from - Chloroplasts. Proteinoplasts are specialized organelles found in plant cells. Chloroplasts are organelles that contain the photosynthetic pigment chlorophyll that captures sunlight and converts it into useful energy, Found in green plants and algae.
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