Biology Practice Question and Answer

Q:

Which of the following is not an infectious disease?

1416 0

  • 1
    diabetes
    Correct
    Wrong
  • 2
    Tuberculosis
    Correct
    Wrong
  • 3
    chicken pox
    Correct
    Wrong
  • 4
    cholera
    Correct
    Wrong
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Answer : 1. "diabetes"

Q:

Which of the following is not a seafood fish of India?

1405 0

  • 1
    Surmai
    Correct
    Wrong
  • 2
    Udanmin
    Correct
    Wrong
  • 3
    Echinoderms
    Correct
    Wrong
  • 4
    Hilsa
    Correct
    Wrong
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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-

1382 0

  • 1
    A new variety of Brinjal
    Correct
    Wrong
  • 2
    A wild variety of Brinjal
    Correct
    Wrong
  • 3
    A genetically modified Brinjal
    Correct
    Wrong
  • 4
    None of the above
    Correct
    Wrong
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Answer : 3. "A genetically modified Brinjal"

Q:

Which of the following is not a simple permanent tissue?

1372 0

  • 1
    Collenchyma
    Correct
    Wrong
  • 2
    Xylem
    Correct
    Wrong
  • 3
    Cambium
    Correct
    Wrong
  • 4
    Top meristem
    Correct
    Wrong
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Answer : 2. "Xylem"

Q:

Wood objects are coated on them to protect them from insects.

1369 0

  • 1
    Zinc chloride
    Correct
    Wrong
  • 2
    Sodium chloride
    Correct
    Wrong
  • 3
    Ammonium chloride
    Correct
    Wrong
  • 4
    Silver bromide
    Correct
    Wrong
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Answer : 1. "Zinc chloride"

Q:

What is tissue?

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  • 1
    Cells which are similar in origin, but dissimilar in form and function.
    Correct
    Wrong
  • 2
    Cells which are dissimilar in origin, form and function.
    Correct
    Wrong
  • 3
    Cells which are dissimilar in origin, but are similar in form and function.
    Correct
    Wrong
  • 4
    Cells which are similar in origin, form and function.
    Correct
    Wrong
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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:

Pathogenic bacteria secrete 

1334 1

  • 1
    Hormones
    Correct
    Wrong
  • 2
    Interferons
    Correct
    Wrong
  • 3
    Antigens
    Correct
    Wrong
  • 4
    Antibodies
    Correct
    Wrong
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Answer : 3. "Antigens "

Q:

Hair is composed of protein called – 

1329 0

  • 1
    keratin
    Correct
    Wrong
  • 2
    Casein
    Correct
    Wrong
  • 3
    Globulin
    Correct
    Wrong
  • 4
    Mucin
    Correct
    Wrong
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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.

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