সাধারণ বিজ্ঞান

1. ............ software allows people to communicate over a network connection while seeing and hearing one another.

a. Teleconferencing

b. Videoconferencing

c. Network operating system

d. Server

e. None of these

2. The other name of BRINJAL is

a. Bitter gourd

b. Okra

c. Eggplant

d. Pumpkin

e. Colocasia

3. In a computer, a ............ can perform both input and output functions

a. Microphone

b. Trackball

c. Touch screen

d. RAM

e. All of these

4. which one is a fossil derivative ?

a. Methane

b. Ethane

c. Butane

d. Pentene

e. All of these

5. When heat is applied, the following directly transforms into Vapor

a. Naphthalene

b. Gold

c. Zine

d. Lithium

e. All of these

6. which of the following is not a conductor of electricity ?

a. Graphite

b. Glass

c. Wet Bamboo

d. Platinum

e. All of these

7. Meteorology is the science of -

a. Meteors

b. metals

c. Weather

d. Earthquakes

8. A Medical Doctor asked his patient, Do you have high blood pressure? The patient replid, I have not seen a soctor. What can be concluded from the above conversation?

a. The patient does not have high blood pressure

b. The patient has high blood pressuro

c. Having high blood pressure is normal

d. The patient did not answer the question directly