IASbaba's Daily Static Quiz
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DAILY STATIC QUIZ will cover all the topics of Static/Core subjects – Polity, History, Geography, Economics, Environment and Science and technology.
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UPSC Static Quiz - 2020: IASbaba's Daily Static Quiz - SCIENCE & TECHNOLOGY [Day 79]
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Question 1 of 10
1. Question
Consider the following statements:
- The organisms having nuclear material without nuclear membrane are called as eukaryotic cells.
- All organisms other than bacteria and blue green algae are called eukaryotes.
Which of the statements given above is/are correct?
Correct
Solution (b)
The organisms having well organized nucleus with a nuclear membrane are called as eukaryotic cells.
Hence statement 1 incorrect
All organisms other than bacteria and blue green algae are called eukaryotes.
Hence statement 2 correct
Incorrect
Solution (b)
The organisms having well organized nucleus with a nuclear membrane are called as eukaryotic cells.
Hence statement 1 incorrect
All organisms other than bacteria and blue green algae are called eukaryotes.
Hence statement 2 correct
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Question 2 of 10
2. Question
Consider the following statements:
- The hormone thyroxin helps the body to adjust to stress when one is very angry, embarrassed or worried.
- Pituitary gland is an endocrine gland which is attached to the brain.
- Pituitary secretes growth hormone which is necessary for the normal growth of a person.
Which of the statements given above is/are correct?
Correct
Solution (b)
The hormone adrenalin helps the body to adjust to stress when one is very angry, embarrassed or worried.
Hence statement 1 is incorrect
Pituitary gland is an endocrine gland which is attached to the brain.
Hence statement 2 is correct
Pituitary secretes growth hormone which is necessary for the normal growth of a person.
Hence statement 3 is correct
Incorrect
Solution (b)
The hormone adrenalin helps the body to adjust to stress when one is very angry, embarrassed or worried.
Hence statement 1 is incorrect
Pituitary gland is an endocrine gland which is attached to the brain.
Hence statement 2 is correct
Pituitary secretes growth hormone which is necessary for the normal growth of a person.
Hence statement 3 is correct
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Question 3 of 10
3. Question
Consider the following statements:
- The size of the cells determines the size of the body of the animal or plant.
- A single-celled organism cannot perform all the necessary functions that a multicellular organism performs.
- White blood cell (WBC) in human blood is made up of a single cell.
Which of the statements given above is/are NOT CORRECT?
Correct
Solution (a)
The size of the cells has no relation with the size of the body of the animal or plant. The size of the cell is related to its function.
Hence statement 1 is incorrect
A single-celled organism performs all the necessary functions that multicellular organisms perform.
Hence statement 2 is incorrect
White blood cell (WBC) in human blood is made up of a single cell.
Hence statement 3 is correct
Incorrect
Solution (a)
The size of the cells has no relation with the size of the body of the animal or plant. The size of the cell is related to its function.
Hence statement 1 is incorrect
A single-celled organism performs all the necessary functions that multicellular organisms perform.
Hence statement 2 is incorrect
White blood cell (WBC) in human blood is made up of a single cell.
Hence statement 3 is correct
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Question 4 of 10
4. Question
Consider the following statements:
- The plasma membrane is the outermost covering of the cell
- The plasma membrane is a selectively permeable membrane.
- The plasma membrane is made up of organic molecules called lipids and proteins.
Which of the statements given above is/are correct?
Correct
Solution (d)
The plasma membrane is the outermost covering of the cell that separates the contents of the cell from its external environment.
Hence statement 1 is correct
The plasma membrane is called a selectively permeable membrane.
Hence statement 2 is correct
The plasma membrane is flexible and is made up of organic molecules called lipids and proteins.
Hence statement 3 is correct
Incorrect
Solution (d)
The plasma membrane is the outermost covering of the cell that separates the contents of the cell from its external environment.
Hence statement 1 is correct
The plasma membrane is called a selectively permeable membrane.
Hence statement 2 is correct
The plasma membrane is flexible and is made up of organic molecules called lipids and proteins.
Hence statement 3 is correct
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Question 5 of 10
5. Question
Consider the following statements:
- Lysosomes help to keep the cell clean by digesting any foreign material
- Plastids are present both in plant and animal cells.
Which of the statements given above is/are correct?
Correct
Solution (a)
Lysosomes help to keep the cell clean by digesting any foreign material as well as worn-out cell organelles.
Hence statement 1 is correct
Plastids are present only in plant cells.
Hence statement 2 is incorrect
Incorrect
Solution (a)
Lysosomes help to keep the cell clean by digesting any foreign material as well as worn-out cell organelles.
Hence statement 1 is correct
Plastids are present only in plant cells.
Hence statement 2 is incorrect
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Question 6 of 10
6. Question
Consider the following statements regarding Meristematic Tissues
- Meristematic tissues are located only in specific regions.
- New cells produced by meristem are initially like those of meristem itself.
- Cells of meristematic tissue differentiate to form different types of permanent tissue.
Which of the above statement(s) is/are INCORRECT?
Correct
Solution (d)
Meristematic tissues are located only in specific regions.
Hence statement 1 is correct
New cells produced by meristem are initially like those of meristem itself, but as they grow and mature, their characteristics slowly change and they become differentiated as components of other tissues.
Hence statement 2 is correct
Cells of meristematic tissue differentiate to form different types of permanent tissue.
Hence statement 3 is correct
Incorrect
Solution (d)
Meristematic tissues are located only in specific regions.
Hence statement 1 is correct
New cells produced by meristem are initially like those of meristem itself, but as they grow and mature, their characteristics slowly change and they become differentiated as components of other tissues.
Hence statement 2 is correct
Cells of meristematic tissue differentiate to form different types of permanent tissue.
Hence statement 3 is correct
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Question 7 of 10
7. Question
Which among the following is/are diseases caused by Protozoa?
- Malaria
- Diarrhea
- Kala-azar
- Sleeping sickness
Choose the appropriate code:
Correct
Solution (d)
All the given diseases are caused by Protozoa
Protozoan infections are parasitic diseases caused by organisms formerly classified in the Kingdom Protozoa.
Protozoa are single-celled micro-organisms that get their food from the surrounding environment or as scientists would say ‘they are heterotrophs’. They can be found in a variety of habitats such as freshwater (including ponds & rivers), marine (the sea) and even in the soil.
Incorrect
Solution (d)
All the given diseases are caused by Protozoa
Protozoan infections are parasitic diseases caused by organisms formerly classified in the Kingdom Protozoa.
Protozoa are single-celled micro-organisms that get their food from the surrounding environment or as scientists would say ‘they are heterotrophs’. They can be found in a variety of habitats such as freshwater (including ponds & rivers), marine (the sea) and even in the soil.
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Question 8 of 10
8. Question
Match List I with List II and select the correct answer using the code given below the Lists:
List I List II
- Vitamin A 1.Non-clotting of blood
- Vitamin B 2.Rickets
- Vitamin C 3.Beriberi
- Vitamin D 4.Night Blindness
- Vitamin K 5.Scurvy
A-B-C-D-E
Correct
Solution (a)
- Vitamin A 1. Night Blindness
- Vitamin B 2. Beriberi
- Vitamin C 3.Scurvy
- Vitamin D 4. Rickets
- Vitamin K 5.Non-clotting of blood
Incorrect
Solution (a)
- Vitamin A 1. Night Blindness
- Vitamin B 2. Beriberi
- Vitamin C 3.Scurvy
- Vitamin D 4. Rickets
- Vitamin K 5.Non-clotting of blood
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Question 9 of 10
9. Question
Consider the following statements:
- When we breathe in, our diaphragm contracts.
- When we focus at a far object, our pupils dilate.
Which of the above statement(s) is/are INCORRECT?
Correct
Solution (d)
Both the statements are correct.
When you breathe in, or inhale, your diaphragm contracts (tightens) and moves downward. This increases the space in your chest cavity, into which your lungs expand.
Rays of light from a far away object are almost perfectly parallel and by the time they reach your eye, these rays are quite weak, so the pupils dilate to let as much light in from the object as possible.
Incorrect
Solution (d)
Both the statements are correct.
When you breathe in, or inhale, your diaphragm contracts (tightens) and moves downward. This increases the space in your chest cavity, into which your lungs expand.
Rays of light from a far away object are almost perfectly parallel and by the time they reach your eye, these rays are quite weak, so the pupils dilate to let as much light in from the object as possible.
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Question 10 of 10
10. Question
Food cans are coated with tin and not with zinc because:
Correct
Solution (c)
Zinc can react with food items especially acidic things like vinegar, lemon juice etc. and can contaminate the food.
Incorrect
Solution (c)
Zinc can react with food items especially acidic things like vinegar, lemon juice etc. and can contaminate the food.
