Q1. Which of the following is present in a plant cell but absent in an animal cell?
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Answer: B. Cell wall
Plant cells have a rigid cellulose cell wall outside the membrane, which animal cells lack.
SSC CGL General Awareness Beginner Practice Set 9
25 beginner questions. Tap an option to check it, or open “Show answer” for the explanation.
Topics: Biology - Cell & Tissues, Biology - Hormones & Glands, Science and Technology, Indian Polity, Physics - Heat, Biology - Respiratory System, International Organisations, Physics - Pressure, Economy, Inventions & Discoveries, Physics - Force & Laws of Motion, Chemistry - Common Names & Formulas, Biology - Circulatory System, Chemistry - Metals & Non-metals, Chemistry - Everyday Chemistry, Important Days, Chemistry - Atoms & Molecules, Chemistry - Acids, Bases & Salts, Geography, Chemistry - Matter & States
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Q2. The hormone insulin is secreted by the:
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Answer: B. Pancreas
Insulin is secreted by the beta cells of the islets of Langerhans in the pancreas.
Q3. What does 'CPU' stand for in computers?
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Answer: A. Central Processing Unit
CPU stands for Central Processing Unit, which carries out a computer's instructions. It contains the arithmetic logic unit and the control unit.
Q4. Insufficient secretion of insulin leads to:
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Answer: D. Diabetes mellitus
Lack of insulin causes blood glucose to rise, leading to diabetes mellitus.
Q5. What is the minimum age to become the President of India?
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Answer: D. 35 years
A candidate for President must be at least 35 and qualified to be a Lok Sabha member.
Q6. Water in an earthen pot (matka) stays cool in summer because of:
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Answer: C. Evaporation
Evaporation through the pot's pores takes latent heat from the water, cooling it.
Q7. Which dome-shaped muscular sheet separates the chest cavity from the abdomen and helps in breathing?
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Answer: A. Diaphragm
The diaphragm separates the thorax from the abdomen; its contraction helps draw air into the lungs.
Q8. Where is the headquarters of the United Nations?
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Answer: A. New York
The United Nations headquarters is in New York City, USA.
Q9. Sharp knives cut easily because they:
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Answer: C. Exert more pressure due to a smaller area
A sharp edge has a tiny area, so the same force produces much greater pressure.
Q10. What was the period of India's First Five-Year Plan?
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Answer: D. 1951-1956
The First Five-Year Plan ran from 1951 to 1956 and focused mainly on agriculture.
Q11. Who is the Supreme Commander of the Indian Armed Forces?
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Answer: C. The President
Under Article 53, the supreme command of the Defence Forces is vested in the President of India. In practice the President acts on the advice of the Council of Ministers.
Q12. The law of universal gravitation was given by:
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Answer: D. Isaac Newton
Sir Isaac Newton formulated the law of universal gravitation in the 17th century.
Q13. A body of mass 2 kg moving at 3 m/s has a momentum of:
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Answer: B. 6 kg m/s
p = mv = 2 × 3 = 6 kg m/s.
Q14. 'Laughing gas' is the common name of:
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Answer: B. Nitrous oxide (N2O)
Nitrous oxide, N2O, is called laughing gas.
Q15. How many chambers does the human heart have?
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Answer: A. Four
The human heart has four chambers: two atria and two ventricles.
Q16. The chief ore of aluminium is:
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Answer: C. Bauxite
Bauxite is the main ore from which aluminium is extracted.
Q17. The main component of LPG (liquefied petroleum gas) is:
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Answer: A. Butane
LPG consists mainly of butane.
Q18. World Environment Day is observed every year on:
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Answer: A. 5 June
World Environment Day is celebrated on 5 June every year, led by the UN Environment Programme.
Q19. Which endocrine gland is called the 'master gland'?
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Answer: A. Pituitary gland
The pituitary gland secretes hormones that regulate several other endocrine glands, so it is called the master gland.
Q20. What is the chemical symbol of potassium?
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Answer: D. K
Potassium's symbol K comes from its Latin name kalium.
Q21. How many bits make up one byte?
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Answer: B. 8
One byte is made up of 8 bits. A bit is the smallest unit of data and can be 0 or 1.
Q22. Which acid is produced in our stomach to help digestion?
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Answer: A. Hydrochloric acid
The stomach produces hydrochloric acid, which aids digestion.
Q23. Which of the following is a Kharif crop?
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Answer: C. Rice
Rice is a Kharif crop sown in June-July and harvested in September-October. Wheat, mustard and gram are Rabi crops.
Q24. What is the minimum age required to be elected President of India?
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Answer: D. 35 years
A candidate must have completed 35 years of age to be eligible for election as President.
Q25. What is the process called when a solid changes directly into a gas without becoming a liquid?
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Answer: A. Sublimation
Sublimation is the direct change of a solid into vapour without passing through the liquid state.