The muscular flap like valve that prevents entry of food into respiratory tract
A) Tongue
B) Pharynx
C) Tricuspid valve
D) Epiglottis
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(A)______ muscles are located in the inner walls of hollow visceral organs of the body like the alimentary canal, reproductive tract etc. they do not
Correct Answer - (A) visceral (B) striation (C) Smooth
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Common round worm, which shows symptoms like internal bleeding, muscular pain, fever, anemia & blockage of intestinal passage is :-
Correct Answer - Ascaris
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Constitute of 50% of lymphoid tissue which located within the major respiratory, digestive & urogenital tract is known as :-
Correct Answer - Mucosa associated lumphoid tissue (MALT)
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This vitamin is not available in any kind of food material, only digestive tract fauna can synthesize it
Answer is (D) B12
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Digestive and respiratory systems of several animals have hair like projections called cilia. What type of tissue is present in cilia ?
B) Columnar epithelium
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Ciliated epithelium is found in the upper respiratory tract.
Function: To create a movement of materials that comes in contact with the epithelium, in a specific direction. This aids in functions like prevention of entry of foreign particles in...
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Which of the following vitamins prevents the spoilage of food ? A) A B) K
Correct option is C) C
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This surgical operation prevents ovum from entering into oviducts.
B) Tubectomy
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Entry of pollutants into a food chain is ………
(A) Bio-accumulation
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Assertion : All chemicals added to food items are called food preservatives. Reason : All these chemicals increase the nutritive value of the food.
(iii) Both assertion and reason are wrong statement.
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