Science, asked by wellhelloali123, 3 months ago

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Q.1 When a bar magnet is brought near iron dust most of the dust sticks .

a. near the middle

b. equally every where

c. near two ends

Q.2 A freely suspended bar magnet rests in .

a. north- south directions

b. east –west directions

c. upside down

Q.3 Who has stated the the right hand thumb rule.

a. fleming

b. maxwell

c. einstein

Q.4 What happens to the magnetic field in the solenoid when the current increases .

a. increases

b. decreases

c. remains constant

Q.5 Which one of the given has its working based on electromagnetic induction.

a. Galvanometer

b .Ammeter

c. Transformer

Q.6 Fertilization of ova in human take place in.

a. Ovary

b.Fallopian tube

c. Vagina

Q.7 During favourable conditions Amoeba reproduces by.

a. Multiple fission

b. Binary fission

c. fragmentation

Q.8 The period of pregnancy is called.

a. Gestation period.

b. Ovulation

c. Menstruation period

Q.9 Fruits are formed from

a. Ovule

b. Stigma

C. Ovary

Q.10 The other name of gynoecium is

a. Pistil

b. Stigma

c. Style

Q.11 Which of the following is a liquid at room temperature.

a. Iron

b. Iodine

c. Bromine

Q.12 The most reactive metal is.

a. Copper

b. Potassium

c. Silver



Q.13 A mineral from which a metal can be extracted on the commercial scale ,economically.

a. Metalloid

b. Ore

c. Corrosion

Q.14 The property by which metals can be beaten into sheets is known as.

a. Ductility

b. lusture

c. Malleability

Q.15 Which of the following is a non-metal but is lustrous.

a. Carbon

b. Iodine

c. Mercury

Q.16 To prevent lightning from damaging tall buidings, we use .

a. Lightning conductors

b. Lightning capacitors

c. Lightning insulators

Q.17 A method of charging an object by rubbing it against an another object.

a. Induction

b. Conduction

c. Friction

Q.18 Charges that are different _____________ Each other.

a. Attract

b. Repel

Q.19 The charge on an electron is .

a. Postive

b. negative

c. Neutral

Q.20 In a neutral atom, the no. of electrons is equal to the no. of .

a. Neutrons

b. Protons

c. Orbits

Q.21 Which nerves are attached to the brain and emerge from the skull.

a. Cranial nerves

b. Spinal nerves

c. Thoracic nerves

Q.22 Name the system that controls every activity that you do.

a. Nervous system

b. Endocrine system

c. Exocrine system

Q.23 The inner most layer of human eye is .

a. Sclera

b. Cornea

c. Retina

Q.24 Sense of smell is perceived by .

a. Pituitary

b. Olfactory lobe

c. Cerebrum.



Q.25 The thyroid gland is located .

a. Within the brain

b. Near the larynx

c. Behind the spleen​

Answers

Answered by vandan92
2

Answer:

1. a

2. b

3.c

4.b

5.b

6.a

7.b

8.b

9.c

10.c

11.c

12.c

13.b

14.b

15.a

16. b

17. b

18. b

19. c

20. a

21. b

22. c

23. a

24 . c

25. a

Answered by Anonymous
1

Answer:

ooo bahi kitna bara answer hai

OMG

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