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 80]
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Question 1 of 10
1. Question
Consider the following statements:
- Collenchyma tissue provides mechanical support to plants.
- The husk of a coconut is made up of Collenchyma tissue.
Which of the statements given above is/are correct?
Correct
Solution (a)
Collenchyma tissue provides mechanical support to plants.
Hence statement 1 is correct
Sclerenchyma tissue makes the plant hard and stiff. The husk of a coconut is made up of sclerenchymatous tissue.
Hence statement 2 is incorrect
Incorrect
Solution (a)
Collenchyma tissue provides mechanical support to plants.
Hence statement 1 is correct
Sclerenchyma tissue makes the plant hard and stiff. The husk of a coconut is made up of sclerenchymatous tissue.
Hence statement 2 is incorrect
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Question 2 of 10
2. Question
Which of the following is/are the connective tissue in animals?
- Bone
- Blood
- Areolar
- Cartilage
Select the correct answer using the code given below:
Correct
Solution (d)
The different types of connective tissues in our body include areolar tissue, adipose tissue, bone, tendon, ligament, cartilage and blood.
Incorrect
Solution (d)
The different types of connective tissues in our body include areolar tissue, adipose tissue, bone, tendon, ligament, cartilage and blood.
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Question 3 of 10
3. Question
Consider the following:
- Contraction and relaxation of heart
- Movement of limbs
- Movement of food in the alimentary canal
- Contraction and relaxation of blood vessels
Which of the above is/are involuntary movements?
Correct
Solution (c)
Contraction and relaxation of heart, Movement of food in the alimentary canal, Contraction and relaxation of blood vessels are involuntary movements.
Movement of limbs is voluntary movement.
Incorrect
Solution (c)
Contraction and relaxation of heart, Movement of food in the alimentary canal, Contraction and relaxation of blood vessels are involuntary movements.
Movement of limbs is voluntary movement.
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Question 4 of 10
4. Question
Consider the following statements:
- The plants of Angiosperms bear naked seeds and are usually perennial, evergreen and woody.
- Gymnosperms are called as flowering plants.
Which of the statements given above is/are correct?
Correct
Solution (d)
The plants of Gymnosperms bear naked seeds and are usually perennial, evergreen and woody.
Hence statement 1 is incorrect
Angiosperms are called as flowering plants. In Angiosperms the seeds develop inside an organ which is modified to become a fruit.
Hence statement 2 is incorrect
Incorrect
Solution (d)
The plants of Gymnosperms bear naked seeds and are usually perennial, evergreen and woody.
Hence statement 1 is incorrect
Angiosperms are called as flowering plants. In Angiosperms the seeds develop inside an organ which is modified to become a fruit.
Hence statement 2 is incorrect
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Question 5 of 10
5. Question
Consider the following statements:
- Most Reptiles are cold-blooded animals with either three or four chambered heart.
- Most Aves and Mammals are warm-blooded animals with four-chambered heart.
Which of the statements given above is/are correct?
Correct
Solution (c)
Most Reptiles are cold-blooded animals with either three or four chambered heart. While most of them have a three-chambered heart, crocodiles have four heart chambers.
Hence statement 1 is correct
Most Aves and Mammals are warm-blooded animals with four-chambered heart.
Hence statement 2 is correct
Incorrect
Solution (c)
Most Reptiles are cold-blooded animals with either three or four chambered heart. While most of them have a three-chambered heart, crocodiles have four heart chambers.
Hence statement 1 is correct
Most Aves and Mammals are warm-blooded animals with four-chambered heart.
Hence statement 2 is correct
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Question 6 of 10
6. Question
Which among the following statements is/are true in regard to DNA and RNA?
- Sugar is deoxyribose type in DNA, whereas sugar is just ribose type in RNA
- DNA is double stranded structure, whereas RNA is single stranded structure
Which of the statements given above is/are correct?
Correct
Solution (c)
Sugar is deoxyribose type in DNA, whereas sugar is just ribose type in RNA
Hence Statement 1 is correct.
DNA is double stranded structure, whereas RNA is single stranded structure
Hence Statement 2 is correct.
Incorrect
Solution (c)
Sugar is deoxyribose type in DNA, whereas sugar is just ribose type in RNA
Hence Statement 1 is correct.
DNA is double stranded structure, whereas RNA is single stranded structure
Hence Statement 2 is correct.
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Question 7 of 10
7. Question
Identify the correct statement regarding Chromosomes
Correct
Solution (c)
Chromosomes are thread-like structures located inside the nucleus of animal and plant cells. Each chromosome is made of protein and a single molecule of deoxyribonucleic acid (DNA). Passed from parents to offspring, DNA contains the specific instructions that make each type of living creature unique.
Incorrect
Solution (c)
Chromosomes are thread-like structures located inside the nucleus of animal and plant cells. Each chromosome is made of protein and a single molecule of deoxyribonucleic acid (DNA). Passed from parents to offspring, DNA contains the specific instructions that make each type of living creature unique.
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Question 8 of 10
8. Question
Consider the following regarding Haemophilia
- It leads to decrease in haemoglobin level
- It leads to decrease in White Blood Cells
- It impairs the body’s ability to make blood clots
Which of the given statements are correct?
Correct
Solution (b)
Haemophilia, also spelled hemophilia, is a mostly inherited genetic disorder that impairs the body’s ability to make blood clots, a process needed to stop bleeding. This occurs due to low levels of clotting factor.
This results in people bleeding longer after an injury, easy bruising, and an increased risk of bleeding inside joints or the brain
Incorrect
Solution (b)
Haemophilia, also spelled hemophilia, is a mostly inherited genetic disorder that impairs the body’s ability to make blood clots, a process needed to stop bleeding. This occurs due to low levels of clotting factor.
This results in people bleeding longer after an injury, easy bruising, and an increased risk of bleeding inside joints or the brain
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Question 9 of 10
9. Question
Which among the following are general features of most of the Mammals?
- Sweat glands and oil glands are found on skin
- They are Vertebrates.
- There is no nucleus in its blood cells
Choose the correct code
Correct
Solution (d)
Mammal Characteristics
- All mammals are warm blooded.
- Most young are born alive.
- They have hair or fur on their bodies.
- Every mammal is a vertebrate.
- All mammals have lungs to breathe air.
- Its hearts are divided into four chambers.
- Mammals feed milk to their babies.
- There is no nucleus in its blood cells (except in camel and lama).
- External ear is present in mammal.
Incorrect
Solution (d)
Mammal Characteristics
- All mammals are warm blooded.
- Most young are born alive.
- They have hair or fur on their bodies.
- Every mammal is a vertebrate.
- All mammals have lungs to breathe air.
- Its hearts are divided into four chambers.
- Mammals feed milk to their babies.
- There is no nucleus in its blood cells (except in camel and lama).
- External ear is present in mammal.
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Question 10 of 10
10. Question
Consider the following statements:
- Apart from blood groups – O, A, B and AB, there is a special type of blood group (hh)
- ‘A’ type blood can accept blood from ‘A’ type or ‘O’ type and not from ‘AB’ or ‘B’ type donors
- The main reason behind the difference in blood of human is the glyco protein which is found in RBC called antigen
Which of the statements given above is/are correct?
Correct
Solution (d)
Apart from blood groups – O, A, B and AB, there is a special type of blood group (hh)
(hh)- a rare special blood group first discovered in Bombay in 1952, and hence christened as Bombay Blood.
People who carry this rare blood type, about 1 in 10, 000 Indians, can accept blood only from another Bombay Blood type individual, and not from anyone who is O, A, B or AB type.
Incorrect
Solution (d)
Apart from blood groups – O, A, B and AB, there is a special type of blood group (hh)
(hh)- a rare special blood group first discovered in Bombay in 1952, and hence christened as Bombay Blood.
People who carry this rare blood type, about 1 in 10, 000 Indians, can accept blood only from another Bombay Blood type individual, and not from anyone who is O, A, B or AB type.
