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

SSC CGL Previous Year Questions: Biology (2023-20) - 2 with solutions -


MCQ Practice Test & Solutions: Test: SSC CGL Previous Year Questions: Biology (2023-20) - 2 (100 Questions)

You can prepare effectively for SSC CGL SSC CGL Previous Year Papers with this dedicated MCQ Practice Test (available with solutions) on the important topic of "Test: SSC CGL Previous Year Questions: Biology (2023-20) - 2". These 100 questions have been designed by the experts with the latest curriculum of SSC CGL 2026, to help you master the concept.

Test Highlights:

  • - Format: Multiple Choice Questions (MCQ)
  • - Duration: 60 minutes
  • - Number of Questions: 100

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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 24/07/2023 (1st shift)]

Detailed Solution: Question 1

Glands and their secreted hormones : Hypothalamus gland - Gonadotropin hormone Pineal Gland - Melatonin hormone. Thyroid gland - Triiodothyronine hormone. Pancreas - Somatostatin and pancreatic polypeptide hormone. Adrenal Glands - Adrenaline hormone. Pituitary Gland - thyroid (stimulating hormone), LH (Luteinizing Hormone), FSH (follicle stimulating hormone).

Test: SSC CGL Previous Year Questions: Biology (2023-20) - 2 - Question 2
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What is added to toothpaste to reduce tooth decay?
[SSC MTS 10/05/2023 (Afternoon)]

Detailed Solution: Question 2

Fluoride is a mineral that strengthens tooth enamel and makes it more resistant to acid attacks from bacteria in the mouth, thereby helping to reduce tooth decay.

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Test: SSC CGL Previous Year Questions: Biology (2023-20) - 2 - Question 3
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Which among the following is NOT a bacterial disease?
[SSC MTS 12/05/2023 (Evening)]

Detailed Solution: Question 3

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 4
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The disease-causing microbes are called ________.
[SSC MTS 16/06/2023 (Evening)]

Detailed Solution: Question 4

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 5
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Which among the following is a bacterial disease?
[SSC CHSL 10/03/2023 (3rd Shift)]

Detailed Solution: Question 5

Leprosy. Hansen's disease (leprosy) is an infection caused by slow-growing bacteria called Mycobacterium leprae. It can affect the nerves, skin, eyes, and lining of the nose (nasal mucosa). Bacterial disease - Typhoid, Cholera, Tuberculosis. Viral disease - Common cold, Influenza, HIV infection, Dengue, Covid-19, Ebola. Protozoal disease - Malaria, Kala azar.

Test: SSC CGL Previous Year Questions: Biology (2023-20) - 2 - Question 6
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Which of the following disease is caused by fungi?
[SSC CHSL 21/03/2023 (1st Shift)]

Detailed Solution: Question 6

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 7
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Which among the following is a viral disease?
[SSC CHSL 21/03/2023 (3rd Shift)]

Detailed Solution: Question 7

Chickenpox is a highly contagious disease caused by the varicella-zoster virus (VZV). Varicella vaccine (developed by Michiaki Takahashi in 1974) is a vaccine that protects against chickenpox. Whooping Cough is caused by Bacteria (Bordetella pertussis).

Test: SSC CGL Previous Year Questions: Biology (2023-20) - 2 - Question 8
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Which of the following options is correct regarding sexually transmitted disease (STD)?
[SSC CGL Tier II 02/03/2023]
Statement A: Sexually transmitted diseases (STDs) are infections transmitted from an infected person to an uninfected person through sexual contact.
Statement B: HIV, HPV and Hepatitis B virus is responsible for STD.

Detailed Solution: Question 8

STDs can be caused by bacteria, viruses, or parasites. Examples - gonorrhea, genital herpes, human papillomavirus infection, HIV (Human immunodeficiency virus)/AIDS (Acquired Immune Deficiency Syndrome), chlamydia, and syphilis.

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: 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 disease refers to the inflammation of the liver caused by a variety of infectious viruses and non-infectious agents leading to a variety of health problems?
[SSC CHSL 03/06/2022 (Morning)]

Detailed Solution: Question 10

Hepatotropic viruses include A, B, C, D, and E. World Hepatitis Day - 28th July. Pneumonia can be caused by viruses, bacteria, and fungi. Diabetes is a disease that occurs when blood sugar becomes too high.

Test: SSC CGL Previous Year Questions: Biology (2023-20) - 2 - Question 11
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Which of the following diseases is NOT caused by a flavivirus?
[SSC MTS 11/10/2021 (Evening)]

Detailed Solution: Question 11

Polio (Poliomyelitis). It is a disease caused by the poliovirus. It invades the nervous system and can cause total paralysis in a matter of hours.

Test: SSC CGL Previous Year Questions: Biology (2023-20) - 2 - Question 12
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Which of the following diseases is marked by dementia, diarrhoea, and dermatitis, and is also known as ‘the three Ds’?
[SSC MTS 22/10/2021 (Evening)]

Detailed Solution: Question 12

Pellagra is a disease that results due to severe Vitamin B3 (Niacin) deficiency. The disease can also develop due to gastrointestinal diseases, weight loss (bariatric) surgery, anorexia, excessive alcohol use, and carcinoid syndrome (a group of symptoms associated with tumors of the small intestine, colon, appendix, and bronchial tubes in the lungs).

Test: SSC CGL Previous Year Questions: Biology (2023-20) - 2 - Question 13
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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: Question 13

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 14
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What is another name for the disorder called 'parasomnia'?
[SSC CHSL 13/04/2021 (Afternoon)]

Detailed Solution: Question 14

Parasomnia refers to unusual and undesirable physical events or experiences that disrupt sleep. Sleepwalking is a common type of parasomnia. Other examples include sleep talking, night terrors, and bedwetting.

Test: SSC CGL Previous Year Questions: Biology (2023-20) - 2 - Question 15
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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: Question 15

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 16
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Which of the following diseases is caused by Helicobacter pylori?
[SSC CHSL 04/08/2021 (Evening)]

Detailed Solution: Question 16

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 17
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Nyctophobia is the fear of:
[SSC CPO 14/03/19 (Morning)]

Detailed Solution: Question 17

Fear of birds (Ornithophobia), fear of animals (Zoophobia), fear of light (Photophobia).

Test: SSC CGL Previous Year Questions: Biology (2023-20) - 2 - Question 18
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The period of life, when the body undergoes changes leading to reproductive maturity is called _________.
[SSC MTS 04/05/2023 (Afternoon)]

Detailed Solution: Question 18

Adolescence.

Test: SSC CGL Previous Year Questions: Biology (2023-20) - 2 - Question 19
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The reproduction process in which only a single parent is involved is called ___________.
[SSC MTS 11/05/2023 (Morning)]

Detailed Solution: Question 19

Asexual reproduction is observed in both multicellular and unicellular organisms and does not involve any kind of gamete fusion. Offspring are genetically similar to their parents. Different types include Binary Fission (Archaea and Bacteria), Budding (Bacteria, yeast, corals, flatworms, Jellyfish, and sea anemones), Fragmentation (Spirogyra, Planaria), Vegetative Propagation (Potato tubers, runners, onion), and Sporogenesis (Plants, Algae, Fungi).

Test: SSC CGL Previous Year Questions: Biology (2023-20) - 2 - Question 20
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The innermost part of a flower is called the _______.
[SSC MTS 12/05/2023 (Morning)]

Detailed Solution: Question 20

The pistil is the female reproductive part of a flower. It has three parts: stigma, style, and ovary. Sepals (collectively called the calyx) are modified leaves that encase the developing flower. Petals (collectively known as the corolla) are modified leaves that surround the reproductive parts of flowers. The stamen is the male part of the flower, consisting of the anther and filament.

Test: SSC CGL Previous Year Questions: Biology (2023-20) - 2 - Question 21
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How do the red algae reproduce vegetatively?
[SSC CHSL 25/05/2022 (Evening)]

Detailed Solution: Question 21

Fragmentation - It is a type of asexual reproduction in which an organism simply breaks into individual pieces at maturity. These individual small pieces then grow to form a new organism, for example Spirogyra.

Test: SSC CGL Previous Year Questions: Biology (2023-20) - 2 - Question 22
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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: Question 22

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 23
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Which is a reversible, fluorescent red, acidic dye used to stain cytoplasm, red blood cells, collagen, and muscle fibers for histological examination?
[SSC Stenographer 12/10/2023 (Evening)]

Detailed Solution: Question 23

Eosin (the aniline dye) is an acid dye that stains cytoplasm, muscle, and connective tissues in various shades of pink and orange. Safranin is a lipophilic cationic dye that accumulates in mitochondria according to the inside negative potential in energized mitochondria. Alizarin (C14H8O4) is an organic compound that has been used throughout history as a prominent red dye, principally for dyeing textile fabrics. It was derived from the roots of plants of the madder genus.

Test: SSC CGL Previous Year Questions: Biology (2023-20) - 2 - Question 24
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What do you call a Glycocalyx that is a loose sheath type?
[SSC CPO 05/10/2023 (Evening)]

Detailed Solution: Question 24

Slime layer. It is a type of glycocalyx that is loosely organized and not firmly attached to the cell wall. It is a thin, diffuse layer of polysaccharides and proteins that surrounds some bacterial cells. The slime layer can help bacteria adhere to surfaces and protect them from dehydration. The glycocalyx is a dense, gel-like meshwork that surrounds the cell, constituting a physical barrier for any object to enter the cell.

Test: SSC CGL Previous Year Questions: Biology (2023-20) - 2 - Question 25
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Which cell found in the bone marrow acts as a repair system for the body?
[SSC MTS 11/09/2023 (3rd Shift)]

Detailed Solution: Question 25

Stem cells - Unspecialized cells which divide to produce two daughter cells, one of which remains a stem cell and the other one becomes differentiated. The major sources of stem cells are embryos and adult tissues (adult stem cells). Stem cells are characterized into three types depending on their potency: Unipotent cells, pluripotent cells, and multipotent cells.

Test: SSC CGL Previous Year Questions: Biology (2023-20) - 2 - Question 26
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The division of cytoplasm is known as:
[SSC CHSL 09/08/2023 (3rd shift)]

Detailed Solution: Question 26

Cytokinesis: It is a physical process which divides the cytoplasm of a parental cell into two daughter cells. Karyokinesis: Division of the nucleus during mitosis or meiosis. Cytoskeleton: It is a network of fibers forming the eukaryotic cells, prokaryotic cells and archaeans. Cytosol: The fluid in which organelles of the cell reside. The primary component of cytosol is water.

Test: SSC CGL Previous Year Questions: Biology (2023-20) - 2 - Question 27
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Which of the following cell organelles can make copies of themselves?
[SSC CHSL 10/08/2023 (2nd shift)]

Detailed Solution: Question 27

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 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: 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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Mitochondria is not found in ____.
[SSC CGL 18/07/2023 (4th shift)]

Detailed Solution: Question 29

Bacteria (Discovered by Leeuwenhoek, father of microbiology). Mitochondria generate most of the chemical energy needed to power the cell's biochemical reactions. They also contain their own small chromosomes (mitochondrial DNA or mtDNA).

Test: SSC CGL Previous Year Questions: Biology (2023-20) - 2 - Question 30
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Select the correct statement.
[SSC CGL 24/07/2023 (2nd shift)]

Detailed Solution: Question 30

Bacteria do not have a nucleus or membrane-bound organelles. They have ribosomes. Fungal cells have ribosomes, a nucleus, and other organelles like mitochondria. Plant cells contain ribosomes, mitochondria, nucleus, and chloroplasts.

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