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CTET Practice Test: Science-5 - CTET & State TET MCQ


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20 Questions MCQ Test - CTET Practice Test: Science-5

CTET Practice Test: Science-5 for CTET & State TET 2024 is part of CTET & State TET preparation. The CTET Practice Test: Science-5 questions and answers have been prepared according to the CTET & State TET exam syllabus.The CTET Practice Test: Science-5 MCQs are made for CTET & State TET 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for CTET Practice Test: Science-5 below.
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CTET Practice Test: Science-5 - Question 1

Which is the largest organ in human beings? 

Detailed Solution for CTET Practice Test: Science-5 - Question 1

​The skin is the largest organ of the body, with a total area of about 20 square feet. The skin protects us from microbes and the elements, helps regulate body temperature, and permits the sensations of touch, heat, and cold. 

CTET Practice Test: Science-5 - Question 2

Delonix regia Rafin is the scientific name of - 

Detailed Solution for CTET Practice Test: Science-5 - Question 2

​Delonix regia Rafin is the scientific name of Gulmohar. 

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CTET Practice Test: Science-5 - Question 3

Which Virus causes Chicken Pox? 

Detailed Solution for CTET Practice Test: Science-5 - Question 3

​Chickenpox, also known as varicella, is a highly contagious disease caused by the initial infection with varicella zoster virus (VZV). 

CTET Practice Test: Science-5 - Question 4

Yellow fever is a disease spread through which of the following? 

Detailed Solution for CTET Practice Test: Science-5 - Question 4

​The disease is caused by the yellow fever virus and is spread by the bite of an infected female mosquito. It infects only humans, other primates, and several species of mosquitoes. 

CTET Practice Test: Science-5 - Question 5

Which of the following organisms does not fit into the Cell Theory? 

Detailed Solution for CTET Practice Test: Science-5 - Question 5

​Cell theory is not applicable on Viruses. They are made up of proteins and one of nucleic acids i.e. DNA or RNA. So they lack protoplasm, the essential part of the cell. 

CTET Practice Test: Science-5 - Question 6

Which drug is used as an Anti-Inflammatory? 

Detailed Solution for CTET Practice Test: Science-5 - Question 6

​Prednisone drug is used as an Anti-Inflammatory drug. It is used to treat a number of different conditions, such as inflammation (swelling), severe allergies, adrenal problems, arthritis, asthma, blood or bone marrow problems, endocrine problems, eye or vision problems, stomach or bowel problems, lupus, skin conditions, kidney problems, ulcerative colitis, and flare-ups of multiple sclerosis. 

CTET Practice Test: Science-5 - Question 7

Prothrombin, responsible for clotting of blood is produced in _____. 

Detailed Solution for CTET Practice Test: Science-5 - Question 7

​Prothromnin is a plasma protein produced in the liver in the presence of vitamin K and converted into thrombin in the clotting of blood. 

CTET Practice Test: Science-5 - Question 8

Acacia arabica is the scientific name of - 

Detailed Solution for CTET Practice Test: Science-5 - Question 8

​Acacia arabica is the scientific name of Babul.

CTET Practice Test: Science-5 - Question 9

Ferns belong to which division of plants? 

Detailed Solution for CTET Practice Test: Science-5 - Question 9

​Ferns belong to Pteridophyta division of Plants. 

CTET Practice Test: Science-5 - Question 10

Who invented Antibiotics? 

Detailed Solution for CTET Practice Test: Science-5 - Question 10

​Antibiotics also called antibacterials, are a type of antimicrobial drug used in the treatment and prevention of bacterial infections. Alexander Fleming invented Antibiotic. 

CTET Practice Test: Science-5 - Question 11

Intestinal bacteria synthesizes which of the following in the human body? 

Detailed Solution for CTET Practice Test: Science-5 - Question 11

​Vitamin K in majority is synthesized by bacteria in the large intestine. It is necessary for formation of several blood-clotting factors in the liver, and deficiency leads to bleeding disorders. 

CTET Practice Test: Science-5 - Question 12

The largest artery in human body is - 

Detailed Solution for CTET Practice Test: Science-5 - Question 12

The aorta is the largest blood vessel and artery in the human body.

CTET Practice Test: Science-5 - Question 13

Which cells in pancreas produce Insulin? 

Detailed Solution for CTET Practice Test: Science-5 - Question 13

Beta cells are unique cells in the pancreas that produce, store and release the hormone insulin. The main function of a beta cell is to produce and secrete insulin – the hormone responsible for regulating levels of glucose in the blood.

CTET Practice Test: Science-5 - Question 14

Flat footed camels can walk easily in sandy deserts because - 

Detailed Solution for CTET Practice Test: Science-5 - Question 14

​Flat footed camels can walk easily in sandy deserts because presuure on the sand is decreased by increasing the area of the surface in contact. 

CTET Practice Test: Science-5 - Question 15

Mitochondria was discovered by - 

Detailed Solution for CTET Practice Test: Science-5 - Question 15

​Richard Altamann discovered Mitochondria. 

CTET Practice Test: Science-5 - Question 16

The chemical used for destroying fungi in water tanks is - 

Detailed Solution for CTET Practice Test: Science-5 - Question 16

​Copper Sulphate is a fungicide used to control bacterial and fungal diseases of fruit, vegetable, nut and field crops. It is chemical used for destroying fungi in water tanks. 

CTET Practice Test: Science-5 - Question 17

Which one of the following diseases is caused due to presence of excess arsenic in water? 

Detailed Solution for CTET Practice Test: Science-5 - Question 17

​Skin cancer is caused due to presence of excess arsenic in water. 

CTET Practice Test: Science-5 - Question 18

Animals living in the tree trunks are known as - 

Detailed Solution for CTET Practice Test: Science-5 - Question 18

​Arboreal is defined as something having the evolutionary characteristics of animals which allow them to live or maneuver through trees. An example of an arboreal part of the chimpanzee's anatomy is its long arms. 

CTET Practice Test: Science-5 - Question 19

Which of the following is correct about cold-blooded animals? 

Detailed Solution for CTET Practice Test: Science-5 - Question 19

​Cold-blooded creatures take on the temperature of their surroundings. They are hot when their environment is hot and cold when their environment is cold. In hot environments, cold-blooded animals can have blood that is much warmer than warm-blooded animals so thier body temperature changes in accordance to temperature of atmosphere.

CTET Practice Test: Science-5 - Question 20

Anthophobia is fear of the following: 

Detailed Solution for CTET Practice Test: Science-5 - Question 20

​Anthophobia is an abnormal and persistent fear of flowers. The term comes from the Greek roots Anthos means flower and Phobos means fear.

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