1. What are d-block elements commonly known as in chemistry?
2. A negative catalyst has what effect on a chemical reaction?
3. A weak acid in aqueous solution mainly exists in which form?
4. Which of the following is a strong acid?
5. In a nitrogen (N₂) molecule
6. In an exothermic reaction
7. Which of the following is a basic radical (positive ion)?
8. Which of the following is an example of a homogeneous mixture?
9. Which of the following compounds contains covalent bonds between atoms?
10. Which acid is commonly known as aqua fortis?
11. Electrolysis is classified as which type of process?
12. Who developed the method of chromatography?
13. Who discovered hydrogen gas for the first time?
14. Which of the following is a physical change?
15. In electroplating
16. How many natural elements are present in nature?
17. Methane belongs to which type of hydrocarbon?
18. What happens when carbon dioxide is passed through lime water for a short time?
19. A strong acid generally has which type of conjugate base?
20. What is the valency of aluminium in aluminium oxide (Al₂O₃)?
1. The image formed on the retina is:
2. Energy is the ability to:
3. Sea breeze occurs during:
4. A concave mirror can produce:
5. The SI unit of work is:
6. Which thermometer is used to measure body temperature?
7. Conduction occurs mainly in:
8. Which quantity has both magnitude and direction?
9. The SI unit of pressure is:
10. The SI unit of electric current is:
11. The unit of acceleration is:
12. Heat transfer through vacuum occurs by:
13. Which of the following is renewable?
14. The speed of light is maximum in:
15. Ultrasound has frequency greater than:
16. The momentum of a stationary object is:
17. Light travels in:
18. During melting, temperature:
19. Pitch depends on:
20. The SI unit of power is:
1. I remember ………..him say the grass needed ………….
2. I'm not used …………spoken to like that.
3. I'm afraid a rise in salary is …………..just now.
4. The word 'Antique' has …………syllables in it.
5. Our vicar is always ……………money for one cause or another.
6. I usually get my documents ……………….
7. The descriptions given by people who…..to have seen the puma were extraordinarily similar.
8. I wish that I ….. in Hanoi at the end of 1972 to witness the 'Battle of Dien B. Phuinthe Air'.
9. Where ………..all this morning? It's nearly midday.
10. The construction of the new road is…………..winning the support of local residents.
11. If…………….it would stop raining for a morning, we would cut the grass.
12. Modern English has …………….. from the mingling of the other languages.
13. Up to the time of his death, Richard Colson was one of most notable ………….in our town.
14. I will do anything but …………..the dishes.
15. He is decorating the house with a view ………………it.
16. Had I known she was sick, I ………… her.
17. For centuries Rome was the ……………power in the Mediterranean.
18. After closing the envelope, the secretary …………….the stamps on firmly.
19. Never ……………. her stand on the deserted station platform.
20. The Committee took just thirty minutes to……the conclusion that action was necessary.
1. Photosynthesis occurs in which organnel?
2. Study of microorganisms is called?
3. Which of the following is of amphibian?
4. Green pigment in plants is
5. What causes Malaria?
6. What is the powerhouse of cell?
7. which of the following is the example of connective tissue?
8. Double fertilization occurs in
9. Who discovered Blood group?
10. Which is the largest part of human brain?
11. Human beings are
12. Site of protein synthesis is
13. Which disease is caused by bacteria?
14. Largest organ of human body is
15. Respiration releases which of the following gas?
16. What is the functional unit of kidney?
17. Which kingdom includes bacteria?
18. How many chamber does the human heart have?
19. Who is known as father of genetics?Father of Genetics
20. The process of water loss in plants
1. If 3 cos θ = 1 then the value of (6 sin^2 θ + tan^2 θ)/(4 cos θ) =
2. Three unbiased coins are tossed. What is the probability of getting at most two heads?
3. If sin θ = 3/5 then the value of cos θ is
4. lim_{x→a} (x^5 - a^5)/(x^3 - a^3) equals
5. Which of the following is not invertible?
6. The area of triangle ABC with vertices A(-5,7), B(-4,-5), C(4,5) is
7. If A and B are matrices, then which from the following is true?
8. The median of the first 10 prime numbers is
9. If 60% of 3/5 of a number is 36, then the number is
10. The median of the data: 78,56,22,34,45,54,39,68,54,84
11. If A = { X : Y ∈ N , X < 3 } and B = { X : X ∈ N , X > 3 } then the sets A and B are
12. The range of the data: 25,81,20,20,22,16,6,17,15,12,30,32,10,91,8,11,20
13. For non-trivial solution |A| is
14. Which one of the following is not a prime number?
15. In equation y = mx + c, m is the
16. If A = [[5,3,2],[0,4,1],[0,0,3]] then |A| =
17. Which of the following is a geometric mean of 4 and 9
18. lim_{x→∞} (3x^3+2x^2-6x+3)/(5x^3+4x^2-4) equals
19. If a + 1/a = 2 then √a + 1/√a is
20. How many natural numbers are there between 23 and 100 which are exactly divisible by 6?