Biology Questions Practice Question and Answer

Q:

Which of the following is not a hormone?

1747 0

  • 1
    Insulin
    Correct
    Wrong
  • 2
    Adrenalin
    Correct
    Wrong
  • 3
    Hemoglobin
    Correct
    Wrong
  • 4
    Glucagon
    Correct
    Wrong
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Answer : 3. "Hemoglobin "

Q:

Which of the following is the smallest organism?

1719 1

  • 1
    Mycoplasma
    Correct
    Wrong
  • 2
    Yeast
    Correct
    Wrong
  • 3
    virus
    Correct
    Wrong
  • 4
    Bacteria
    Correct
    Wrong
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Answer : 1. "Mycoplasma"

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:

Bt Brinjal is-

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  • 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 kits is a social animal?

1655 1

  • 1
    Bee
    Correct
    Wrong
  • 2
    Mosquito
    Correct
    Wrong
  • 3
    Bur
    Correct
    Wrong
  • 4
    Domestic fly
    Correct
    Wrong
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Answer : 1. "Bee"
Explanation :

The social animal among the options is:

(A) Bee

Explanation:

Bees are known for their highly organized and social behavior. They live in colonies where individuals have specific roles such as workers, drones, and a queen. They communicate with each other, work together for the common good of the colony, and have a complex social structure. In contrast, mosquitoes, bur (assuming it refers to burrowing animals), and domestic flies are not typically considered social animals in the same way as bees. Bees, especially honeybees, are well-known for their intricate social organization and cooperation within the colony.

Q:

Which one of the following is the richest source of vitamin C?

1632 0

  • 1
    Guava
    Correct
    Wrong
  • 2
    Pineapple
    Correct
    Wrong
  • 3
    Orange
    Correct
    Wrong
  • 4
    Tomato
    Correct
    Wrong
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Answer : 1. "Guava "
Explanation :

(A) Guava

Guava is considered one of the richest sources of vitamin C among fruits. It contains a high concentration of ascorbic acid, which is a form of vitamin C. While other fruits like oranges and pineapples also contain vitamin C, guava surpasses them in terms of vitamin C content per serving. Tomatoes, although a good source of vitamin C, are generally lower in vitamin C compared to guava.

Q:

Endospermic seeds are found in ________. 

1619 0

  • 1
    Gourd
    Correct
    Wrong
  • 2
    Pisum sativum
    Correct
    Wrong
  • 3
    Carica Papaya
    Correct
    Wrong
  • 4
    Dolichols lablab
    Correct
    Wrong
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Answer : 3. "Carica Papaya "

Q:

Hair is composed of protein called – 

1602 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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