Pre Empower Oct 25 : Daily Quiz for Civil Services Prelims Examination
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Welcome to Pre Empower, your daily destination for mastering multiple-choice questions (MCQs) framed for Civil Services Examinations. Each day, we present a diverse set of carefully crafted MCQs to enhance your knowledge, boost your confidence, and prepare you for success in your civil services examinations of UPSC CSE and other State PCS like APSC, BPSC, UPPCS and others.
Questions have been designed as per the demands of examination that cover a wide range of topics, including General Studies, Current Affairs, and Aptitude for CSAT. With Pre Empower, you’ll not only test your understanding but also develop critical thinking skills essential for tackling the challenges of the Preliminary exam in the best possible manner.
Join us at SMART IAS Foundation on this journey to achieve your goals and secure your future in Civil Services.
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Question 1 of 5
1. Question
Which of the following are characteristics of enzymes?
(i) Enzymes speed up chemical reactions.
(ii) Enzymes are made up of carbohydrates.
(iii) Enzymes are highly specific in their action.
(iv) Enzymes can be used multiple times.
Select the correct answer using the codes given below:Correct
Answer: Option (A) (i), (iii), and (iv) only
Explanation: Enzymes speed up reactions, are highly specific, and can be used multiple times. They are proteins, not carbohydrates.Incorrect
Answer: Option (A) (i), (iii), and (iv) only
Explanation: Enzymes speed up reactions, are highly specific, and can be used multiple times. They are proteins, not carbohydrates. -
Question 2 of 5
2. Question
Which of the following pairs are correctly matched?
(i) Xylem – Transports water
(ii) Phloem – Transports food
(iii) Stomata – Gas exchange
(iv) Chloroplast – Site of respiration
Select the correct answer using the codes given below:Correct
Answer: Option (B) (i), (ii), and (iii) only
Explanation: Xylem transports water, phloem transports food, and stomata are involved in gas exchange. Chloroplast is the site of photosynthesis, not respiration.Incorrect
Answer: Option (B) (i), (ii), and (iii) only
Explanation: Xylem transports water, phloem transports food, and stomata are involved in gas exchange. Chloroplast is the site of photosynthesis, not respiration. -
Question 3 of 5
3. Question
Which of the following substances is/are classified as excretory products in plants?
(i) Carbon dioxide
(ii) Water
(iii) Oxygen
(iv) Urea
Select the correct answer using the codes given below:Correct
Answer: Option (C) (i), (ii), and (iii) only
Explanation: Plants excrete carbon dioxide during respiration and oxygen during photosynthesis, while excess water is released through transpiration. Urea is not an excretory product in plants but in animals.Incorrect
Answer: Option (C) (i), (ii), and (iii) only
Explanation: Plants excrete carbon dioxide during respiration and oxygen during photosynthesis, while excess water is released through transpiration. Urea is not an excretory product in plants but in animals. -
Question 4 of 5
4. Question
Which of the following structures are involved in protein synthesis?
(i) Ribosomes
(ii) Lysosomes
(iii) Endoplasmic reticulum
(iv) Golgi apparatus
Select the correct answer using the codes given below:Correct
Answer: Option (A) (i) and (iii) only
Explanation: Ribosomes are the main site of protein synthesis, and the endoplasmic reticulum (specifically the rough ER) helps in this process. Lysosomes and Golgi apparatus have other roles in the cell.Incorrect
Answer: Option (A) (i) and (iii) only
Explanation: Ribosomes are the main site of protein synthesis, and the endoplasmic reticulum (specifically the rough ER) helps in this process. Lysosomes and Golgi apparatus have other roles in the cell. -
Question 5 of 5
5. Question
Which of the following are greenhouse gases?
(i) Carbon dioxide
(ii) Methane
(iii) Oxygen
(iv) Nitrous oxide
Select the correct answer using the codes given below:Correct
Answer: Option (A) (i), (ii), and (iv) only
Explanation: Carbon dioxide, methane, and nitrous oxide are greenhouse gases, which trap heat in the atmosphere. Oxygen is not a greenhouse gas.Incorrect
Answer: Option (A) (i), (ii), and (iv) only
Explanation: Carbon dioxide, methane, and nitrous oxide are greenhouse gases, which trap heat in the atmosphere. Oxygen is not a greenhouse gas.