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SSC CGL Exam  >  SSC CGL Tests  >  SSC CGL Previous Year Papers  >  Test: SSC CGL Previous Year Questions: Biology (2023-20) - 5 - SSC CGL MCQ

Test: SSC CGL Previous Year Questions: Biology (2023-20) - 5 - SSC CGL MCQ


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30 Questions MCQ Test SSC CGL Previous Year Papers - Test: SSC CGL Previous Year Questions: Biology (2023-20) - 5

Test: SSC CGL Previous Year Questions: Biology (2023-20) - 5 for SSC CGL 2025 is part of SSC CGL Previous Year Papers preparation. The Test: SSC CGL Previous Year Questions: Biology (2023-20) - 5 questions and answers have been prepared according to the SSC CGL exam syllabus.The Test: SSC CGL Previous Year Questions: Biology (2023-20) - 5 MCQs are made for SSC CGL 2025 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: SSC CGL Previous Year Questions: Biology (2023-20) - 5 below.
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Test: SSC CGL Previous Year Questions: Biology (2023-20) - 5 - Question 1
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Which group of Kingdom Animalia has unsegmented, bilaterally symmetrical, soft bodies, with a triploblastic construction (comprising three layers of cells) and a lacking coelom, skeleton, and anus?
[SSC CGL 24/07/2023 (3rd shift)]

Detailed Solution for Test: SSC CGL Previous Year Questions: Biology (2023-20) - 5 - Question 1
Platyhelminthes (Tapeworms, Turbellaria, Planaria, Liver fluke). Bilateral symmetry means when one organism is cut, it divides into two equal halves from a single plane only. Porifera (organisms with holes, Sycon, Spongilla, Euspongia): It is a phylum of aquatic invertebrate animals that comprises the sponges. Cnidaria phylum (corals, hydras, jellyfish, sea anemones): Kingdom Animalia, Soft-bodied stinging animals. Ctenophora (comb jellies, sea walnuts): A phylum of marine invertebrates.
Test: SSC CGL Previous Year Questions: Biology (2023-20) - 5 - Question 2
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Match the columns.

[Higher Secondary 27/06/2023 (Shift - 3)]

Detailed Solution for Test: SSC CGL Previous Year Questions: Biology (2023-20) - 5 - Question 2

- The correct match is option C: i-b, ii-a, iii-d, iv-c.
- This means:
- i corresponds to b
- ii corresponds to a
- iii corresponds to d
- iv corresponds to c
- Each element in column A matches with its respective element in column B based on the context or theme provided in the question, ensuring logical consistency and correct association.
- Understanding these associations correctly will lead to option C as the accurate answer.

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Test: SSC CGL Previous Year Questions: Biology (2023-20) - 5 - Question 3
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Which of the following does NOT belong to class Insecta?
[SSC Stenographer 13/10/2023 (Morning)]

Detailed Solution for Test: SSC CGL Previous Year Questions: Biology (2023-20) - 5 - Question 3
Scorpion. They are arachnids and have eight legs like their cousins—spiders, mites, and ticks. Class insecta encompasses all insects and is also included in phylum arthropoda. Insects have three main body segments: the head, thorax, and abdomen. They have six legs, one or two pairs of wings and specialized mouthparts. Examples: Cockroach, Mosquito, Silversh.
Test: SSC CGL Previous Year Questions: Biology (2023-20) - 5 - Question 4
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Which among the following is an example of Phylum Mammalia of Animal Kingdom?
[SSC MTS 16/05/2023 (Afternoon)]
Detailed Solution for Test: SSC CGL Previous Year Questions: Biology (2023-20) - 5 - Question 4
Rat. Mammals are warm-blooded animals that have mammary glands and give birth to live young. Fishes, amphibians and reptiles are poikilothermous (cold-blooded).
Test: SSC CGL Previous Year Questions: Biology (2023-20) - 5 - Question 5
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Snails is an example of which of the phylum of the animal kingdom?
[SSC MTS 20/06/2023 (Afternoon)]
Detailed Solution for Test: SSC CGL Previous Year Questions: Biology (2023-20) - 5 - Question 5
Mollusca (Second-largest invertebrate animal phylum). Snails are invertebrates, belonging to the Eukaryota domain and Animalia kingdom. Protochordates - Group of primitive chordates that include tunicates, lancelets, and the extinct Pikaia.
Test: SSC CGL Previous Year Questions: Biology (2023-20) - 5 - Question 6
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Identify the organism that is NOT a pseudocoelomate.
[SSC CGL 02/12/2022 (1st Shift)]
Detailed Solution for Test: SSC CGL Previous Year Questions: Biology (2023-20) - 5 - Question 6
Scorpions {Kingdom (Animalia), Phylum (Arthropoda), Subphylum (Chelicerata), Class (Arachnida)}.
Pseudocoelomates are the organisms that have false body cavities. The pseudocoelomates belong to the phylum Nematoda/Aschelminthes. Examples: Aschleminthes - Nematoda (Ancylostoma, Ascaris, Wuchereria), Rotifera (Asplanchna, Euchlanis, etc).
Test: SSC CGL Previous Year Questions: Biology (2023-20) - 5 - Question 7
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Which of the following classifications do humans NOT fall under?
[SSC MTS 07/07/2022 (Evening)]
Detailed Solution for Test: SSC CGL Previous Year Questions: Biology (2023-20) - 5 - Question 7
Porifera (Sponges) are multicellular organisms that have bodies full of pores and channels allowing water to circulate through them. The scientific classification of human beings includes Kingdom - Animalia, Phylum - Chordata, Class - Mammalia, Order - Primates, Family - Hominidae, Subfamily - Homininae, and Genus - Homo.
Test: SSC CGL Previous Year Questions: Biology (2023-20) - 5 - Question 8
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Which of the following statements is/are correct?
I. Amoeba ingests its food with the help of pseudopodia.
II. Amoeba constantly changes its shape and position.
[SSC MTS 11/07/2022 (Afternoon)]
Detailed Solution for Test: SSC CGL Previous Year Questions: Biology (2023-20) - 5 - Question 8
Amoeba is a unicellular organism that has the ability to change its shape. Amoeba reproduces asexually through binary fission. Examples: Entamoeba Histolytica, Amoeba Proteus, Chaos carolinense etc.
Test: SSC CGL Previous Year Questions: Biology (2023-20) - 5 - Question 9
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Which of the following is an example of Phylum Annelida of Animal Kingdom?
[SSC MTS 15/07/2022 (Evening)]
Detailed Solution for Test: SSC CGL Previous Year Questions: Biology (2023-20) - 5 - Question 9
Earthworm: Scientific name - Lumbricina; Phylum - Annelida; Order - Opisthopora; Kingdom - Animalia.
Honey Bee: Scientific name - Apis; Phylum - Arthropoda.
Squid: Scientific name - Decapodiformes; Phylum - Mollusca.
Kangaroo: Scientific name - Macropus; Phylum - Chordata.
Test: SSC CGL Previous Year Questions: Biology (2023-20) - 5 - Question 10
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To which of the following classes do parrots belong?
[SSC MTS 18/07/2022 (Afternoon)]
Detailed Solution for Test: SSC CGL Previous Year Questions: Biology (2023-20) - 5 - Question 10
Parrot: Scientific name - Psittaciformes; Class - Aves; Clade - Psittacopasserae; Kingdom - Animalia; Order - Psittaciformes; Phylum - Chordata.
Test: SSC CGL Previous Year Questions: Biology (2023-20) - 5 - Question 11
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The bodies of the animals of phylum Platyhelminthes show _________ grade organisation.
[SSC CHSL 02/06/2022 (Morning)]
Detailed Solution for Test: SSC CGL Previous Year Questions: Biology (2023-20) - 5 - Question 11
Protoplasmic is a mixture of water, amino acids, proteins, small molecules of ions, macromolecules such as nucleic acids, etc. Cellular respiration is a metabolic pathway that breaks down glucose and produces ATP. Adenosine triphosphate (ATP) is the source of energy for use and storage at the cellular level.
Test: SSC CGL Previous Year Questions: Biology (2023-20) - 5 - Question 12
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Which of the following characters are correct about Phylum Echinodermata?
[SSC CHSL 03/06/2022 (Morning)]
Detailed Solution for Test: SSC CGL Previous Year Questions: Biology (2023-20) - 5 - Question 12
Coelom present, bilateral symmetry. Phylum Echinodermata organisms (multi-cellular) are exclusively marine. Characteristics - Triploblastic and have a coelomic cavity, star-like appearance and are spherical or elongated, respire through gills, their skeleton is made up of calcium carbonate. Examples - a starfish, a sand dollar, a brittle star, a sea urchin, and a sea cucumber.
Test: SSC CGL Previous Year Questions: Biology (2023-20) - 5 - Question 13
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What is a good way to measure the population density of fish found in lakes?
[SSC CHSL 09/06/2022 (Evening)]
Detailed Solution for Test: SSC CGL Previous Year Questions: Biology (2023-20) - 5 - Question 13
The number of fish caught per trap.
Test: SSC CGL Previous Year Questions: Biology (2023-20) - 5 - Question 14
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Which of the following statements is correct with respect to chordates?
[SSC CGL 11/04/2022 (Afternoon)]
Detailed Solution for Test: SSC CGL Previous Year Questions: Biology (2023-20) - 5 - Question 14
The five characteristic features of chordates present during some time of their life cycles are a notochord, a dorsal hollow tubular nerve cord, pharyngeal slits, endostyle/thyroid gland, and a post-anal tail. Examples of vertebrate chordates include fish, amphibians, reptiles, birds, and mammals.
Test: SSC CGL Previous Year Questions: Biology (2023-20) - 5 - Question 15
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‘Hypnea Indica and Hypnea bullata’ are types of:
[SSC CGL 19/04/2022 (Evening)]
Detailed Solution for Test: SSC CGL Previous Year Questions: Biology (2023-20) - 5 - Question 15
"Seaweed" is the common name for countless species of marine plants and algae that grow in the ocean as well as in rivers, lakes, and other water bodies. Three types of Seaweed based on pigmentation - Brown Algae (Phaeophyta), Green Algae (Chlorophyta), Red Algae (Rhodophyta).
Test: SSC CGL Previous Year Questions: Biology (2023-20) - 5 - Question 16
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How many components do bacterial flagella have?
[SSC Stenographer 13/10/2023 (Evening)]
Detailed Solution for Test: SSC CGL Previous Year Questions: Biology (2023-20) - 5 - Question 16
The bacterial flagellum is a helical filamentous organelle responsible for motility. These are made up of the protein flagellin and are a coiled, thread-like structure with a sharp bend and a rotary motor at the base.
Test: SSC CGL Previous Year Questions: Biology (2023-20) - 5 - Question 17
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What is the full form of PPLO with respect to bacteria?
[SSC CPO 03/10/2023 (Morning)]
Detailed Solution for Test: SSC CGL Previous Year Questions: Biology (2023-20) - 5 - Question 17
Pleuro Pneumonia Like Organisms (PPLO) are a group of bacteria that belong to the class Mollicutes, which are characterised by their small size, lack of a cell wall, and ability to survive without oxygen. The prokaryotic cells are represented by bacteria, blue-green algae, mycoplasma and PPLO.
Test: SSC CGL Previous Year Questions: Biology (2023-20) - 5 - Question 18
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Which algae produces agar?
[SSC CHSL 06/06/2022 (Morning)]
Detailed Solution for Test: SSC CGL Previous Year Questions: Biology (2023-20) - 5 - Question 18
Agar, a gelatin-like product made primarily from the red algae Gelidium and Gracilaria (division Rhodophyta). It can be used as a laxative; a vegan substitute for gelatin; a thickener for soups; in fruit preserves, ice cream, and other desserts; as a clarifying agent in brewing; and for sizing paper and fabrics.
Test: SSC CGL Previous Year Questions: Biology (2023-20) - 5 - Question 19
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Tooth decay is caused by _____.
[SSC MTS 11/10/2021 (Afternoon)]
Detailed Solution for Test: SSC CGL Previous Year Questions: Biology (2023-20) - 5 - Question 19
It happens when bacteria in our mouth make acids that attack the enamel. The tooth decay starts in the mouth when the pH goes below 5.5.
Test: SSC CGL Previous Year Questions: Biology (2023-20) - 5 - Question 20
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Melatonin encodes proteins in cells to prevent ______ entry.
[SSC CGL 17/08/2021 (Afternoon)]
Detailed Solution for Test: SSC CGL Previous Year Questions: Biology (2023-20) - 5 - Question 20
Melatonin hormone: It is synthesized in the lungs and released by the Pineal gland. It influences metabolism, pigmentation, the menstrual cycle, as well as our defense capability.
Test: SSC CGL Previous Year Questions: Biology (2023-20) - 5 - Question 21
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Insufficient levels of parathyroid hormone and low amount of calcium in the blood causes which of the following conditions?
[SSC MTS 04/09/2023 (3rd Shift)]
Detailed Solution for Test: SSC CGL Previous Year Questions: Biology (2023-20) - 5 - Question 21
Calcium-rich foods: Curd, cheese, milk, dark green vegetables, eggs, fatty fish, and milk. Diabetes - When the pancreas does not produce enough insulin or when the body cannot effectively use the insulin it produces.
Test: SSC CGL Previous Year Questions: Biology (2023-20) - 5 - Question 22
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 Match the columns.

[SSC CGL 21/07/2023 (2nd shift)]
Detailed Solution for Test: SSC CGL Previous Year Questions: Biology (2023-20) - 5 - Question 22

The correct answer is C: i-d, ii-c, iii-b, iv-a.
- i-d: Match the first item in the left column to the fourth item in the right column.
- ii-c: Match the second item in the left column to the third item in the right column.
- iii-b: Match the third item in the left column to the second item in the right column.
- iv-a: Match the fourth item in the left column to the first item in the right column.

This alignment ensures each item is paired correctly based on the logical connection or category between the columns.

Test: SSC CGL Previous Year Questions: Biology (2023-20) - 5 - Question 23
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Peeling, cutting or crushing onion tissue releases which enzyme that makes our eyes water?
[Higher Secondary 30/06/2023 (Shift - 2)]
Detailed Solution for Test: SSC CGL Previous Year Questions: Biology (2023-20) - 5 - Question 23
Eating part of an onion is a stem and fleshy leaves. Enzymes found in others: Chili - Capsaicin, Turmeric - Curcumin, Garlic - Alliinase. Xylanases are mainly produced by microorganisms. Examples: bacteria, fungi. Bordelaises is a sauce consisting of stock thickened with roux and flavored typically with red wine and shallots. Pectinases are used to break down this pectin polymer into monomer sugars i.e. galacturonic acid.
Test: SSC CGL Previous Year Questions: Biology (2023-20) - 5 - Question 24
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Steapsin, the enzyme which converts fats into fatty acids and glycerol, is secreted by ________.
[SSC MTS 10/05/2023 (Morning)]
Detailed Solution for Test: SSC CGL Previous Year Questions: Biology (2023-20) - 5 - Question 24
Digestive enzymes: Pepsin - Released in the stomach's gastric juice along with HCI (Hydrochloric acid) and Mucus. HCI provides an acidic pH to activate the enzyme and breaks down proteins present in food to smaller molecules.
Test: SSC CGL Previous Year Questions: Biology (2023-20) - 5 - Question 25
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Which among the following mineral is essential for the synthesis of thyroid hormones (thyroxine)?
[SSC MTS 13/06/2023 (Afternoon)]
Detailed Solution for Test: SSC CGL Previous Year Questions: Biology (2023-20) - 5 - Question 25
The thyroid hormone is well known for controlling metabolism, growth, and many other bodily functions.
Test: SSC CGL Previous Year Questions: Biology (2023-20) - 5 - Question 26
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Which of the following can degrade detritus into simpler inorganic substances?
[SSC CGL Tier II (03/03/2023)]
Detailed Solution for Test: SSC CGL Previous Year Questions: Biology (2023-20) - 5 - Question 26
Detritus: Dead and decaying organic debris. Lichens: A symbiosis of fungus and algae. Phytoplankton (microalgae): They are microscopic, photosynthetic organisms that float in aquatic ecosystems, serving as the foundation of marine food chains.
Test: SSC CGL Previous Year Questions: Biology (2023-20) - 5 - Question 27
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Glucagon, a peptide hormone, is produced by the ______.
[SSC CGL 20/08/2021 (Afternoon)]
Detailed Solution for Test: SSC CGL Previous Year Questions: Biology (2023-20) - 5 - Question 27
Glucagon is a 29-amino acid peptide hormone predominantly secreted from the alpha cells of the pancreas.
Test: SSC CGL Previous Year Questions: Biology (2023-20) - 5 - Question 28
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Which of the following hormone is secreted by the brain that helps to regulate sleep-wake cycles?
[SSC CHSL 05/08/2021 (Morning)]
Detailed Solution for Test: SSC CGL Previous Year Questions: Biology (2023-20) - 5 - Question 28
It is produced from serotonin (made from tryptophan), through a cascade of enzymatic reactions. Its production increases with evening darkness, promoting healthy sleep and helping to orient our circadian rhythm.
Test: SSC CGL Previous Year Questions: Biology (2023-20) - 5 - Question 29
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Who coined the word 'cell' in the 1600s, from the Latin word 'cellula', meaning 'small room'?
[SSC MTS 13/09/2023 (3rd Shift)]
Detailed Solution for Test: SSC CGL Previous Year Questions: Biology (2023-20) - 5 - Question 29
Cell : The smallest, structural, functional, and biological unit of life that is responsible for all of life's processes.
Test: SSC CGL Previous Year Questions: Biology (2023-20) - 5 - Question 30
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Which of the following personalities is a well-known Indian plant physiologist and physicist?
[SSC CHSL 11/08/2023 (3rd shift)]
Detailed Solution for Test: SSC CGL Previous Year Questions: Biology (2023-20) - 5 - Question 30
JC Bose (Father of Indian Plant Physiology) invented the ‘crescograph’ for measuring plant growth. CV Raman was awarded the 1930 Nobel Prize in Physics for his discovery of the ‘Raman Effect’. CNR Rao - An Indian chemist who was awarded Bharat Ratna in 2014. JRD Tata (Father of Indian Civil Aviation) - The first person in India to own a flying licence.
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