Question

.Class- 7


DAV Public School Kotkapura

Multiple choice questions:
(1x10-10)
1. The chemical formula of Magnesium phosphate is-
(a) Mg(PO) (b) Mg(PO4)3 (c) Mg3(PO4)2 (d) Mg(PO4)3
2. An indicator that turns red in basic medium-
(a) Turmeric (b) phenolphthalein (c) blue litmus (d) Hibiscus
3. Which method can be used if we want to produce exact copies of parent
plant?
(a) Pollination
(c) vegetative propagation
(b) sexual reproduction
(d) seed dispersal
4. Two charges are brought close to each other. The two objects would-
(a) Always repel each other (c) always attract each other
(b) either attract or repel each other (d) neither attract nor repel each other
5. A fuse wire is a wire of-
(a) High resistivity and low melting point
(b) High resistivity and high melting point
fer Low resistivity and low melting point
(d) Low resistivity and high melting point
6. A common household device, that uses an electromagnet in its working
is
Ya) The electric bell
(c) a room heater
(b) a geyser
(d) the tube light
7. I contain male reproductive cells. Who am I?
(d) filament
(a) Stigma (b) ovary
8. A student is provided with four objects:
A: a plastic comb B: a copper rod C: a rubber balloon D: a woolen cloth
The object, that cannot be easily charged by rubbing is the object given
above as:
(a) A
(c) anther
(d) D
(c) C
(b) B​

Answer 1

Answer:

From where you are

1ans is d

2 is C

3 is seed dispersal

4 is C

5 is à

y is a gyes