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SSC CGL Exam  >  SSC CGL Tests  >  Test: SSC CGL Previous Year Questions: Biology (2023-20) - 4 - SSC CGL MCQ

Test: SSC CGL Previous Year Questions: Biology (2023-20) - 4 - SSC CGL MCQ


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30 Questions MCQ Test - Test: SSC CGL Previous Year Questions: Biology (2023-20) - 4

Test: SSC CGL Previous Year Questions: Biology (2023-20) - 4 for SSC CGL 2024 is part of SSC CGL preparation. The Test: SSC CGL Previous Year Questions: Biology (2023-20) - 4 questions and answers have been prepared according to the SSC CGL exam syllabus.The Test: SSC CGL Previous Year Questions: Biology (2023-20) - 4 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) - 4 below.
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Test: SSC CGL Previous Year Questions: Biology (2023-20) - 4 - Question 1
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What is the percentage of carbon dioxide in the air exhaled by human lungs?
[SSC CHSL 21/03/2023 (3rd Shift)]

Detailed Solution for Test: SSC CGL Previous Year Questions: Biology (2023-20) - 4 - Question 1
Composition of exhaled air: nitrogen (78%), oxygen (17%), carbon dioxide (4%), other gases (1%).
Inhaled air is by volume: 78% nitrogen, 20.95% oxygen, and small amounts of other gases including argon, carbon dioxide, neon, helium, and hydrogen.
Test: SSC CGL Previous Year Questions: Biology (2023-20) - 4 - Question 2
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In ruminants like cattle, bacteria present in _______ helps in digestion of cellulose.
[SSC CHSL 17/03/2023 (4th Shift)]

Detailed Solution for Test: SSC CGL Previous Year Questions: Biology (2023-20) - 4 - Question 2
Rumen is the first chamber of the stomach of ruminants like cattle. It is a large, muscular sac that is filled with bacteria, protozoa, and other microorganisms. These microorganisms help to digest the cellulose in the food that the ruminant eats.
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Test: SSC CGL Previous Year Questions: Biology (2023-20) - 4 - Question 3
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Which of the following animals have a single opening in their digestive system that serves both as a mouth and an anus?
[SSC CGL 01/12/2022 (Shift - 4)]

Detailed Solution for Test: SSC CGL Previous Year Questions: Biology (2023-20) - 4 - Question 3
These are also known as flatworms belonging to Animalia Kingdom and they include many free-living and parasitic life forms.
The term arachnid refers to a class of animals that includes spiders, scorpions, mites, and ticks.
Test: SSC CGL Previous Year Questions: Biology (2023-20) - 4 - Question 4
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In human beings, the small intestine is coiled and is about ______ metres long.
[SSC MTS 12/07/2022 (Morning)]
Detailed Solution for Test: SSC CGL Previous Year Questions: Biology (2023-20) - 4 - Question 4
7 to 7.5 (about 22 feet). The small intestine has three parts. The first part is called the duodenum. The jejunum is in the middle and the ileum is at the end. The large intestine includes the appendix, cecum, colon, and rectum. The large intestine is about five feet (or 1.5 metres) long.
Test: SSC CGL Previous Year Questions: Biology (2023-20) - 4 - Question 5
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Recommended Dietary Allowances (RDA) = ?
[SSC MTS 15/07/2022 (Morning)]
Detailed Solution for Test: SSC CGL Previous Year Questions: Biology (2023-20) - 4 - Question 5
The RDAs are the amounts of essential nutrients that are judged by the Food and Nutrition Board to be adequate to meet the known nutrient needs of practically all healthy persons.
Test: SSC CGL Previous Year Questions: Biology (2023-20) - 4 - Question 6
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Metabolic reactions in our body are carried out by :
[SSC CHSL 31/05/2022 (Morning)]
Detailed Solution for Test: SSC CGL Previous Year Questions: Biology (2023-20) - 4 - Question 6
Metabolism is the chemical reaction in the body's cells that change food into energy. The nucleus controls all the metabolic activities of the cell.
Test: SSC CGL Previous Year Questions: Biology (2023-20) - 4 - Question 7
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Which of the following is the indigestible portion of our diet essential to the health of the digestive system?
[SSC MTS 08/10/2021 (Morning)]
Detailed Solution for Test: SSC CGL Previous Year Questions: Biology (2023-20) - 4 - Question 7
It includes all plant products like grains, nuts, legumes, fruits, etc. They are indigestible but act as a source of food for the beneficial bacteria present in our gut. Consumption of roughage maintains body weight and also reduces risk factors of heart disease.
Test: SSC CGL Previous Year Questions: Biology (2023-20) - 4 - Question 8
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Which of the following organs secretes hydrochloric acid that helps our body in killing pathogenic bacteria?
[SSC CGL 16/08/2021 (Evening)]
Detailed Solution for Test: SSC CGL Previous Year Questions: Biology (2023-20) - 4 - Question 8
Examples of Pathogenic bacteria: Pseudomonas aeruginosa - can cause pneumonia and blood infections. Mycobacterium tuberculosis - causes tuberculosis. Listeria - causes foodborne infections and u-like symptoms. Salmonella - causes typhoid. E.coli - causes intestinal infections with symptoms like fever and diarrhoea.
Test: SSC CGL Previous Year Questions: Biology (2023-20) - 4 - Question 9
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Our brain mainly depends on which of the following foods?
[Higher Secondary 02/08/2022 (Shift - 2)]
Detailed Solution for Test: SSC CGL Previous Year Questions: Biology (2023-20) - 4 - Question 9
Glucose is a type of sugar which comes predominantly from starchy foods (bread, rice, pasta, and potatoes) as well as fruits, juices, honey, jams, and table sugar. The body tightly regulates blood glucose levels; this is known as glucose homeostasis.
Test: SSC CGL Previous Year Questions: Biology (2023-20) - 4 - Question 10
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Which among the following is a flat bone?
[SSC CHSL 20/03/2023 (1st Shift)]
Detailed Solution for Test: SSC CGL Previous Year Questions: Biology (2023-20) - 4 - Question 10
Ribs are a set of twelve paired bones which form the protective 'cage' of the thorax. The ankle joint, also known as the talocrural joint, is a synovial joint that connects the bones of the leg, the fibula and tibia, with the talus of the foot. Pelvic Bone is a basin-shaped complex bone which connects the trunk and legs and supports the urinary bladder. The wrist is formed where the two bones of the forearm, the radius and the ulna, meet the carpus. Other bones of the hand - metacarpals and phalanges.
Test: SSC CGL Previous Year Questions: Biology (2023-20) - 4 - Question 11
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In which of the following parts of the human body is the masseter muscle located?
[SSC MTS 13/10/2021(Afternoon)]
Detailed Solution for Test: SSC CGL Previous Year Questions: Biology (2023-20) - 4 - Question 11
Jaw. The muscle masseter is a facial muscle that plays a major role in the chewing of solid foods. The three layers of the masseter are the superficial layer, the intermediate layer, and the deep layer.
Test: SSC CGL Previous Year Questions: Biology (2023-20) - 4 - Question 12
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How many bones are there in the human hand?
[SSC CHSL 13/04/2021 (Afternoon)]
Detailed Solution for Test: SSC CGL Previous Year Questions: Biology (2023-20) - 4 - Question 12
The human hand has 27 bones: the carpals or wrist contains 8; the metacarpals or palm contains five; the remaining fourteen are digital bones; fingers and thumb.
Test: SSC CGL Previous Year Questions: Biology (2023-20) - 4 - Question 13
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Sporophyte stage is dominant in which plant group?
[SSC CGL 25/07/2023 (1st shift)]
Detailed Solution for Test: SSC CGL Previous Year Questions: Biology (2023-20) - 4 - Question 13
Vascular plants (Tracheophytes) are land plants containing specialized vascular conducting tissues (xylem and phloem). Examples - Trees, shrubs, grasses, flowering plants, and ferns.
Test: SSC CGL Previous Year Questions: Biology (2023-20) - 4 - Question 14
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Fungi can grow on which of the following items?
I. Bread
II. Pickles
III. Leather
IV. Clothes
Select the correct option.
[SSC MTS 02/05/2023 (Morning)]
Detailed Solution for Test: SSC CGL Previous Year Questions: Biology (2023-20) - 4 - Question 14
I, II, III and IV. Fungi are eukaryotic organisms whose cells contain a nucleus and other membrane-bound organelles. They grow in moist climatic areas where they get enough nutrition for their growth. The fungal spores are generally present in the air and grow on articles. Examples: Yeasts, smuts, mildews and mushrooms.
Test: SSC CGL Previous Year Questions: Biology (2023-20) - 4 - Question 15
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Which among the following is an example of Angiosperm in Plant Kingdom?
[SSC MTS 17/05/2023 (Evening)]
Detailed Solution for Test: SSC CGL Previous Year Questions: Biology (2023-20) - 4 - Question 15
Tomato. The plant kingdom is classified into five subgroups - Thallophyta, Bryophyta, Pteridophyta, Gymnosperms, Angiosperms.
Test: SSC CGL Previous Year Questions: Biology (2023-20) - 4 - Question 16
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Which among the following are called the amphibians of the plant kingdom?
[SSC MTS 14/06/2023 (Evening)]
Detailed Solution for Test: SSC CGL Previous Year Questions: Biology (2023-20) - 4 - Question 16
Bryophyte. These are land plants which require water for sexual reproduction. Hence, these are found mostly in moist places in close proximity to water.
Test: SSC CGL Previous Year Questions: Biology (2023-20) - 4 - Question 17
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Plants that do not have well-differentiated body design fall in this group. The plants in this group are commonly called algae. These plants are predominantly aquatic.
[SSC CGL Tier II (06/03/2023)]
Detailed Solution for Test: SSC CGL Previous Year Questions: Biology (2023-20) - 4 - Question 17
Thallophyta. Thallophyta is classified into two subdivisions: Algae and Fungi. Examples - Spirogyra, Chara, Ulothrix, Ulva, Cladophora. Kingdom Plantae includes algae, bryophytes, pteridophytes, gymnosperms, and angiosperms.
Test: SSC CGL Previous Year Questions: Biology (2023-20) - 4 - Question 18
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Identify the correct statement about green algae.
[SSC CGL 07/12/2022 (4th Shift)]
Detailed Solution for Test: SSC CGL Previous Year Questions: Biology (2023-20) - 4 - Question 18
Green algae have chloroplast and chlorophyll in their cells. Examples are Chlamydomonas, Volvox, Spirogyra, Ulothrix, Oedogonium, and Chara.
Test: SSC CGL Previous Year Questions: Biology (2023-20) - 4 - Question 19
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Identify the plant that shows adaptation through leaves that are reduced to spines.
[SSC CHSL 31/05/2022 (Morning)]
Detailed Solution for Test: SSC CGL Previous Year Questions: Biology (2023-20) - 4 - Question 19
Opuntia (cactus). Hibiscus (Orhul) can help boost your immune system.
Mimosa (“Touch me not”) helps in the treatment of many disorders like piles, insomnia, diarrhea, etc.
Test: SSC CGL Previous Year Questions: Biology (2023-20) - 4 - Question 20
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Which of the following are non-vascular flowerless plants in the taxonomic division of Bryophyta?
[SSC CHSL 09/06/2022 (Morning)]
Detailed Solution for Test: SSC CGL Previous Year Questions: Biology (2023-20) - 4 - Question 20
A pine is any conifer tree or shrub in the genus Pinus of the family Pinaceae, it is the sole genus in the subfamily Pinoideae.
Pea, (Pisum sativum), an herbaceous annual plant in the family Fabaceae.
Test: SSC CGL Previous Year Questions: Biology (2023-20) - 4 - Question 21
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The numerical taxonomy of plants is based on which of the following?
[SSC CGL 11/04/2022 (Morning)]
Detailed Solution for Test: SSC CGL Previous Year Questions: Biology (2023-20) - 4 - Question 21
Numerical taxonomy is a classification system in biological systematics which deals with the grouping by numerical methods of taxonomic units based on their character states. The concept was first developed by Robert R. Sokal and Peter H. A. Sneath in 1963.
Carolus Linnaeus is ‘the father of taxonomy’.
Test: SSC CGL Previous Year Questions: Biology (2023-20) - 4 - Question 22
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What is the nut of an oak tree called?
[SSC CGL 11/04/2022 (Afternoon)]
Detailed Solution for Test: SSC CGL Previous Year Questions: Biology (2023-20) - 4 - Question 22
Acorn, or oaknut, is the nut of the oaks and their close relatives (genera Quercus and Lithocarpus, in the family Fagaceae).
The kola nut is the fruit of the kola tree (Cola acuminata and Cola nitida), indigenous to West Africa.
Macadamia is a genus of four species of trees in the flowering plant family Proteaceae.
The chestnuts are the deciduous trees and shrubs in the genus Castanea, in the beech family Fagaceae.
Test: SSC CGL Previous Year Questions: Biology (2023-20) - 4 - Question 23
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Which of the following is the middle layer in the root apical meristem that gives rise to the cortex?
[SSC CGL 21/04/2022 (Afternoon)]
Detailed Solution for Test: SSC CGL Previous Year Questions: Biology (2023-20) - 4 - Question 23
Periblem. Calyptrogen is a layer of rapidly dividing cells at the tip of a plant root, from which the root cap is formed. Dermatogen is the outer primary meristem of a plant or plant part that, according to the histogen theory, gives rise to epidermis. Plerome is the central core of the primary meristem of a plant or plant part that according to the histogen theory gives rise to the stele.
Test: SSC CGL Previous Year Questions: Biology (2023-20) - 4 - Question 24
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Viscose fiber is obtained from __.
[SSC CGL 13/08/2021 (Evening)]
Detailed Solution for Test: SSC CGL Previous Year Questions: Biology (2023-20) - 4 - Question 24
Viscose is made from tree wood pulp, like beech, pine, and eucalyptus. Viscose is semi-synthetic due to many chemicals involved in the viscose process, like sodium hydroxide and carbon disulfide. Viscose fiber is commonly used in clothes and bedding materials.
Test: SSC CGL Previous Year Questions: Biology (2023-20) - 4 - Question 25
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______ is the pattern of veins in the blade of a leaf.
[SSC CGL 18/08/2021 (Evening)]
Detailed Solution for Test: SSC CGL Previous Year Questions: Biology (2023-20) - 4 - Question 25
Venation. In monocot leaves, the veins run parallel to each other. Examples: banana, grass, and wheat. In dicot leaves, the veins, and veinlets are irregularly distributed over the entire lamina, forming a network. Example: mango and peepal.
Test: SSC CGL Previous Year Questions: Biology (2023-20) - 4 - Question 26
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Which of the following is NOT a member of the Arthropoda phylum?
[SSC Stenographer 12/10/2023 (Morning)]
Detailed Solution for Test: SSC CGL Previous Year Questions: Biology (2023-20) - 4 - Question 26
Pila - It belongs to the phylum Mollusca and class Gastropoda. Phylum Arthropoda - This is the largest phylum of Kingdom Animalia. They are bilaterally symmetrical, triploblastic, segmented and coelomate animals. The body consists of the head, thorax and abdomen. Excretion takes place through malpighian tubules. Examples - Apis (Honey bee), Bombyx (Silkworm), Laccifer (Lac insect).
Test: SSC CGL Previous Year Questions: Biology (2023-20) - 4 - Question 27
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Which of the following is NOT a Protozoan?
[SSC Stenographer 13/10/2023 (Afternoon)]
Detailed Solution for Test: SSC CGL Previous Year Questions: Biology (2023-20) - 4 - Question 27
Scypha (Kingdom: Animalia). Protozoans (Kingdom: Protista) - All protozoans are heterotrophs and live as parasites. Major groups of protozoans: Amoeboid protozoans - These organisms live in freshwater, sea water or moist soil. Flagellated protozoans - The members of this group are either free-living or parasitic. Ciliated protozoans - These are aquatic, actively moving organisms because of the presence of thousands of cilia. Sporozoans - This includes diverse organisms that have an infectious spore-like stage in their life cycle.
Test: SSC CGL Previous Year Questions: Biology (2023-20) - 4 - Question 28
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Identify the third germinal layer found in triploblastic animals.
[SSC CPO 03/10/2023 (Evening)]
Detailed Solution for Test: SSC CGL Previous Year Questions: Biology (2023-20) - 4 - Question 28
Mesoderm. A triploblastic animal has three main layers of tissue during embryonic development. Ectoderm (upper layer) - It forms the brains, spinal cord, lens of the eye and hairs. Mesoderm (Middle layer) - It is responsible for the formation of notochord, bone, muscles, connective tissue and circulatory systems. Endoderm (lower layer) - It leads to the formation of the stomach, liver, colon, urinary bladder and lungs.
Test: SSC CGL Previous Year Questions: Biology (2023-20) - 4 - Question 29
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Which of the following organisms belongs to phylum Apicomplexa?
[SSC CPO 05/10/2023 (Evening)]
Detailed Solution for Test: SSC CGL Previous Year Questions: Biology (2023-20) - 4 - Question 29
Plasmodium. Apicomplexa is a large phylum of parasitic protists belonging to the Alveolata group, together with ciliates and dinoflagellates. The Apicomplexa are a diverse group that includes organisms such as the coccidia, gregarines, piroplasms, haemogregarines, and plasmodia. Diseases caused by Apicomplexa: Babesiosis (Babesia), and Malaria (Plasmodium).
Test: SSC CGL Previous Year Questions: Biology (2023-20) - 4 - Question 30
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Select the incorrect statement about Phylum Arthropoda.
[SSC CGL 18/07/2023 (4th shift)]
Detailed Solution for Test: SSC CGL Previous Year Questions: Biology (2023-20) - 4 - Question 30
Phylum Arthropoda is the largest phylum in the animal kingdom, which includes such familiar forms as lobsters, crabs, spiders, mites, insects, centipedes, and millipedes. They may be aquatic, terrestrial, or even parasitic. Commonly divided into four subphyla of extant forms: Chelicerata (arachnids), Crustacea (crustaceans), Hexapoda (insects and springtails), and Myriapoda (millipedes and centipedes).
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