1. What is the chemical formula of bleaching powder?
2. How many natural elements are present in nature?
3. What is dry ice chemically?
4. On what basis is the modern periodic table arranged?
5. Alloys of metals with mercury are called:
6. Which is the lightest element among the following?
7. Hydrogen gas is usually collected in laboratory using which method?
8. Which of the following bases dissolves easily in water (soluble base)?
9. Who gave the theory of ionization of electrolytes?
10. Which of the following gases can burn easily?
11. Who made the first attempt to classify elements scientifically?
12. Solubility of most solids in water generally increases with what factor?
13. Temporary hardness of water is mainly caused by which compound?
14. What is the approximate size (order of magnitude) of an atom?
15. Which of the following substances is known as a universal solvent?
16. What are d-block elements commonly known as in chemistry?
17. What is the maximum number of electrons that can be present in the L shell?
18. Which of the following metals remains in a liquid state at room temperature?
19. What is the monomer used to make PVC (polyvinyl chloride)?
20. In electrolysis
1. Which gas is mainly responsible for the greenhouse effect?
2. Which color has the longest wavelength?
3. The speed of light is maximum in:
4. SONAR works on the principle of:
5. The SI unit of density is:
6. Which energy is stored in food?
7. Which device converts mechanical energy into electrical energy?
8. A concave mirror can produce:
9. X-rays were discovered by:
10. Magnetic field lines emerge from:
11. Hydroelectric power plants convert:
12. Atmospheric pressure is measured using:
13. Heat required to change state without changing temperature is:
14. Work is done when:
15. Power is the rate of doing:
16. The formula of force is:
17. Unlike poles of magnets:
18. The image formed on the retina is:
19. Hypermetropia is corrected using:
20. Which is a good conductor of heat?
1. We called …………her shop on our way home.
2. Recognizing who the customer was, the manager was most apologetic and ……….. the assistant severely.
3. He was the boy ……………..the principal had punished for coming late.
4. Had he not been so busy taking the diamonds, he ………….the blow.
5. The word 'Antique' has …………syllables in it.
6. Active: I never hear him shout at his children. Passive: ………………….
7. It is imperative that he ……………. the school regulations.
8. Five litres of milk ……………enough for making the pudding.
9. When she was crossing the room, the night-nurse happened to notice the old lady………….to get out of her bed.
10. The dogs are allowed to …………….. outside the enclosure.
11. Hardly …………asleep when the phone woke him up again.
12. I usually get my documents ……………….
13. No matter how angry he was, he would never …………..to violence.
14. After closing the envelope, the secretary …………….the stamps on firmly.
15. We're late, I expect the film………….by the time we get to the theatre.
16. When he spoke over the phone, his voice was so……………..that I could hardly hear him.
17. The police disturbed a gang of men who were ……………. a chemist's in Lynford.
18. Even by modern standards, the 46,000-ton Titanic was a…………ship.
19. Theatrical …………….. and artificial blood had been used to make the injuries look realistic.
20. The police were………when Mrs. Ramsay told them what she had done.
1. What causes Malaria?
2. Who discovered Blood group?
3. Human beings are
4. Which kingdom includes bacteria?
5. Who is known as father of genetics?Father of Genetics
6. The process of water loss in plants
7. Study of microorganisms is called?
8. Vitamin D deficiency causes
9. Which hormone controls blood sugar?
10. Largest organ of human body is
11. Plasma membrane is
12. Basic unit of heredity is
13. What is the powerhouse of cell?
14. Respiration releases which of the following gas?
15. Cell is the basic unit of
16. Green pigment in plants is
17. which of the following is the example of connective tissue?
18. Which of the following is of amphibian?
19. Which disease is caused by bacteria?
20. Scientific name of human is
1. If a:b = 2:3 and a:c = 3:5, the ratio b:c is
2. ∫ (x - 1/x)^2 dx is
3. If sin θ = 3/5 then the value of cos θ is
4. The derivative of e^(ax+b) is
5. Which of the following is a singleton set?
6. The sum of the 1st n natural number is
7. The relationship between mean, median and mode for a moderately skewed distribution is
8. The interval satisfying 3 ≤ 2x -- 1 ≤ 5 is
9. If 3 cos θ = 1 then the value of (6 sin^2 θ + tan^2 θ)/(4 cos θ) =
10. Which of the following is irrational number?
11. What is the probability of getting a sum of 7 from two throws of a dice?
12. What is a if B = [[1,4],[2,a]] is a singular matrix?
13. The derivative of log(log x) is
14. What is the slope of a line which is parallel to y-axis?
15. In equation y = mx + c, m is the
16. The matrix A = [[9,0],[0,9]] is
17. The range of the data: 25,81,20,20,22,16,6,17,15,12,30,32,10,91,8,11,20
18. lim_{x→a} (x^5 - a^5)/(x^3 - a^3) equals
19. 1^0 is
20. For non-trivial solution |A| is