BIOLOGY

1. Match column I with column II and select the correct options.                                                                                   Column I                                               Column II                                                                                                            P. An energy giving food                    (i) Kwashiorkor                                                                                                  Q. Prevents constipation                   (ii) Carbohydrate                                                                                                R. Protect us from diseases              (iii) Roughage                                                                                                      S. Caused by deficiency of proton    (iv) Vitamins and minerals

2. Which of the following statements is incorrect?

3. Match column I with column II and select the correct option from the given codes.

column I                                                            column II

(i) Rickets                                                      A. Excess of fat

(ii) Goitre                                                      B. Lack of iodine

(iii) Scurvy                                                    C. Vitamin D deficiency

(iv) Obesity                                                   D. Vitamin C deficiency

4. Which of the following activities helps human body to produce vitamin D?

5. Vitamin ___(i)____ makes bones and teeth strong. This vitamin is synthesised by the body on exposure to ___(ii)___. Deficiency of this vitamin in children causes____(iii)____.

Select the correct option for (i), (ii) and (iii)

6. Which of the following is the immediate source of energy?

7. Which mineral is necessary for the formation of haemoglobin?

8. Which of these forms most of our body weight?

9. Obesity occurs due to

10. In which of the following diseases, will you advise the intake of iodised salt?

11. Marasmus is caused due to diet insufficient in

12. Which of the following represents the role of water in our body?

13. Anaemia is caused by the deficiency of

14. Match column I with column II and select the correct option.

Column I                                                                           Column II

A. Protein - energy malnutrition                                (i) Constipation

B. Condition caused by excess body fats                  (ii) Marasmus

C. Condition caused by deficiency of roughage      (iii) Obesity

D. Excess loss of water from the body                      (iv) Dehydration

15. In goitre, the thyroid gland situated in the _______ region becomes swollen and there is a reduced production of thyroxine in the body.

16. Which of the following is a characteristic of shrubs?

17. A small plant with soft and green stem that can stand upright is known as

18. Which of these plants has a taproot?

19. Which of these plants store food in their roots?

20. Transpiration mainly takes place through

21. Which of the following is not a function of leaves?

22. Stem of a plant

23. Which of these is the male part of a flower?

24. During the process of photosynthesis

25. Which of the following is a mismatched pair?

PHYSICS: 

1. A cell is used to :

2. In metals, current flows due to the movement of:

3. If n electrons pass through the cross-section of a conductor in time t, the current in conductor I =

4. The S.I. unit of current is :

5. Rheostat is used in a circuit to provide :

6. An instrument used to measure the magnitude of current flowing in a circuit is :

7. The unit of potential difference is :

8. A larger wire offers _____ resistance than a shorter wire.

9. Upon increasing the temperature, the resistance of a wire:

10. The force of attraction between two masses each of 1 kg kept at a separation of 1 m is :

11. The S.I. unit of g is :

12. The relationship between g and G is:

13. A body of mass 25 kg is taken from the earth to the moon. If the value of g on moon is 1.6 ms-², then the weight of the body on moon is :

14. To every action there is always :

15. A footballer hits a football with a force of 10 N. What force does the footballer experience ?

16. Newton's third law :

17. Newton's first law of motion defines force :

18. The S.I. unit of force is :

19. Force is a _______ quantity.

20. A force is needed to :

21. Which of the following is a contact force ?

22. The non-contact force is :

23. A vector quantity possesses :

24. A vector quantity is :

25. The motion of a train on a straight track is an example of _____ motion :

MATHS

1. A whale swimming on the water's surface dives 250 m. It then dives another 75 m. Which expression represents this situation ?

2. Which set of integers is written in ascending order ?

3. Which situation could be best represented by -60?

4. The value of 100 + (-75) + (-89) + (69) is______.

5. When we add two negative integers, we always get _________.

6. Which expression has a value greater than -3 ?

7. What is the value of 116 – 61 - 33 + (-12)?

8. Which of the following is greatest?

9. Which sum is not negative?

10. Which of the following fractions are in their simplest form?

11. The fraction which is less than 1 is _______.

12. 6 (1/3) -2 (4/5) - 1(7/5) is simplified as _____.

13. Which of the following fractions is a largest fraction?

14. 3 minutes are what fraction of an hour?

15. The mixed fraction 5 (4/7) can be expressed as

16. Simplify: 8 -3 (1/2) -2 (1/4)

17. The fraction form of 0.45 is ________.

18. Express 80 mm in cm as ________

19. The sum of 609.20+16.3+42 is _______.

20. How many hundredths are there in 4 tenths?

21. 43.266 - 24.557 + 34.970 is simplified as _______.

22. What is the sum of 6 mm, 60 m and 60 cm ?

23. Subtracting 8 km 73 m from 15 km 160 m, we get _______.

24. Simplify the following:

43.16 + 493.28 - 507.34

25. Subtract 1.412 km from 3.69 km.

CHEMISTRY 

1. Sugar gets charred when treated with conc. H2SO4. This is an example of ______.

2. Melting of wax is a _________.

3. Corrosion of a metal involves change in _______.

4. Formation of clouds, mist and fog are the examples of ________.

5. Which of the following elements is chemically inactive?

6. Which of the following is a physical change?

7. Which of the following is not a chemical change?

8. The atomic number of three elements A, B and C are 10, 18 and 8, respectively. Identify the element which is chemically reactive.

9. Heating solid ammonium chloride involves change in the _______.

10. Which of the following is a chemical change?

11. Which among the following acids is present in lemons?

12. Identify the weak mineral acid among the following?

13. Which among the following pairs of bases do not decompose on heating?

14. Which among the following is a strong acid?

15. Among the following, which substance turns phenolphthalein to pink?

16. Washing soda is ____________

17. A salt formed by the partial neutralisation of hydroxyl ions of a base by an acid is called

--------------------- salt

18. Which among the following is a hydrated salt?

19. Salt used in purification of water is:

20. Monobasic weak acid among the following is:

21. __________ on hydrolysis gives a strong acid.

22. Which among the following is the application of neutralisation?

23. Salt solutions are good conductors of electricity. This is due to the presence of _________ in

solution state.

24. Which among the following is used to remove moisture from the surroundings?

25. X is a base which is soluble in water. Then, the metal present in X may be: