4. 1. When we rub things , they
get charged. This is called
charging by ________.
a) Rubbing
b) Friction
c) Both of these
d) None of these
Facilitator :Nirmal , Neha(India)
5. Ans : b) Friction
Facilitator :Nirmal , Neha(India)
6. 2. A person with Myopia cannot
see ______ object.
a) Nearby
b) Distant
c) Both of these
d) None of these
Facilitator :Nirmal , Neha(India)
7. Ans : b) Distant
Facilitator :Nirmal , Neha(India)
8. 3. Which of the following is not a
good conductor of electricity ?
a) Lemon juice
b) Tap water
c) Alcohol
d) Vinegar
Facilitator :Nirmal , Neha(India)
9. Ans : c) Alcohol
Facilitator :Nirmal , Neha(India)
10. 4. The graphical record of the
intensity of seismic waves is
called _______.
a) Seismograph
b) Epicenter
c) Seismic waves
d) Seismogram
Facilitator :Nirmal , Neha(India)
11. Ans : d) Seismogram
Facilitator :Nirmal , Neha(India)
12. 5. Iron objects are generally
electroplated with _______.
a) Gold
b) Silver
c) Chromium
d) Mercury
Facilitator :Nirmal , Neha(India)
13. Ans : c) Chromium
Facilitator :Nirmal , Neha(India)
14. 6. The longer lead of LED is always
connected to ______ terminal of
the battery.
a) Positive
b) Negative
c) Any terminal
d) None of these
Facilitator :Nirmal , Neha(India)
15. Ans : a) Positive
Facilitator :Nirmal , Neha(India)
16. 7. Sound is produced by two rubber
bands because of its _____.
a) Length
b) Nature
c) Vibration
d) Color
Facilitator :Nirmal , Neha(India)
17. Ans : c) Vibration
Facilitator :Nirmal , Neha(India)
18. 8. Which of the following is not a
string instrument?
a) Veena
b) Shehnai
c) Sitar
d) Violin
Facilitator :Nirmal , Neha(India)
19. Ans : b) Shehnai
Facilitator :Nirmal , Neha(India)
20. 9. Which of the following has
streamlined body?
a) Fish
b) Ship
c) Boat
d) All of these
Facilitator :Nirmal , Neha(India)
21. Ans : d) All of these
Facilitator :Nirmal , Neha(India)
22. 10. Metamorphosis in the frogs is
controlled by _____.
a) Insulin
b) Adrenaline
c) Thyroxin
d) Aldosterone
Facilitator :Nirmal , Neha(India)
23. Ans : c) Thyroxin
Facilitator :Nirmal , Neha(India)
24. 11. Fertilization of egg in case of
women takes place in ______.
a) Uterus
b) Vagina
c) Ovary
d) Fallopian tube
Facilitator :Nirmal , Neha(India)
25. Ans : d) Fallopian tube
Facilitator :Nirmal , Neha(India)
26. 12. Which of the following do not
reproduce by sexual reproduction?
a) Fish
b) Amoeba
c) Cow
d) Horse
Facilitator :Nirmal , Neha(India)
27. Ans : b) Amoeba
Facilitator :Nirmal , Neha(India)
42. 1. The pitch of sound depends
upon the _____ of vibration.
2. The frequency less than ____ Hz
is not audible to human ear.
3. AIDS is caused by _____.
4. All human beings have _____ pair
of chromosomes.
5. Protruding part of the throat is
called _____.
Facilitator :Nirmal , Neha(India)
43. 1. Frequency
2. 20 Hz
3. HIV
4. 23
5. Adam’s Apple
Facilitator :Nirmal , Neha(India)
44. 1. The another name of IVF
technique is called _____.
2. Male gametes are called ____.
3. _____ helps to inject the sperms
into the vagina of female body.
4. The foetus is attached to the
uterus by a special structure are
called _____.
5. In Hydra, first a small outgrowth
called ____. Facilitator :Nirmal , Neha(India)
46. 1. The stage of the embryo in which
all the body parts can be identified
is called _____.
2. The Sex Chromosomes in males
are represented by ____.
3. Noise is produced by _____
vibrations.
4. Insulin is secreted by _____.
5. The substances which reduce
friction are called _____.Facilitator :Nirmal , Neha(India)