Biology Practice Question and Answer
8 Q: Which of the following is not an infectious disease?
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5f17decf79d4dd4986ebbd5d- 1diabetestrue
- 2Tuberculosisfalse
- 3chicken poxfalse
- 4cholerafalse
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Answer : 1. "diabetes"
Q: Which of the following is not a seafood fish of India?
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5ee836d979b5ea388bebeaeb- 1Surmaifalse
- 2Udanminfalse
- 3Echinodermstrue
- 4Hilsafalse
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Answer : 3. "Echinoderms"
Explanation :
The option that is not a seafood fish of India is:
(C) Echinoderms
Explanation:
Echinoderms, such as sea cucumbers and starfish, are not fish. They belong to a different phylum (Echinodermata) and are not typically consumed as seafood fish.
On the other hand:
Surmai is a type of kingfish and is a seafood fish commonly found in Indian waters.
Udanmin appears to be a misspelling, and without clarification, it's not clear what specific fish it refers to.
Hilsa is a type of herring and is a well-known and widely consumed seafood fish in India.
Therefore, the correct answer to the question is (C) Echinoderms.
Q: Bt Brinjal is-
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5f182d1c90e8777587b3c2dd- 1A new variety of Brinjalfalse
- 2A wild variety of Brinjalfalse
- 3A genetically modified Brinjaltrue
- 4None of the abovefalse
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Answer : 3. "A genetically modified Brinjal"
Q: Wood objects are coated on them to protect them from insects.
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5f745b7bbb26e87e5eea40cc- 1Zinc chloridetrue
- 2Sodium chloridefalse
- 3Ammonium chloridefalse
- 4Silver bromidefalse
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Answer : 1. "Zinc chloride"
Q: What is tissue?
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5ef58afce6dbc50ad18020af- 1Cells which are similar in origin, but dissimilar in form and function.false
- 2Cells which are dissimilar in origin, form and function.false
- 3Cells which are dissimilar in origin, but are similar in form and function.false
- 4Cells which are similar in origin, form and function.true
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Answer : 4. "Cells which are similar in origin, form and function."
Explanation :
(D) Cells which are similar in origin, form and function.
Tissues are groups of cells that are similar in origin, form, and function, working together to perform specific tasks in the body. Tissues can be classified into four main types: epithelial tissue, connective tissue, muscle tissue, and nervous tissue. Each type of tissue is composed of cells that share common characteristics and collaborate to carry out specialized functions within the body.
Q: Which of the following is not a simple permanent tissue?
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5f869cb5b7ad805e26c0cecc- 1Collenchymafalse
- 2Xylemtrue
- 3Cambiumfalse
- 4Top meristemfalse
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Answer : 2. "Xylem"
Q: Pathogenic bacteria secrete
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5f4cd595081699374e810e4e- 1Hormonesfalse
- 2Interferonsfalse
- 3Antigenstrue
- 4Antibodiesfalse
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Answer : 3. "Antigens "
Q: Hair is composed of protein called –
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5efc055230aa3b4ee606c2d6- 1keratintrue
- 2Caseinfalse
- 3Globulinfalse
- 4Mucinfalse
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Answer : 1. "keratin "
Explanation :
(A) Keratin
Hair is primarily composed of a protein called keratin. Keratin is a fibrous structural protein that forms the main component of hair, as well as nails and the outer layer of the skin. It provides strength and resilience to these structures. The other options—Casein, Globulin, and Mucin—are proteins found in other parts of the body and have different functions.