Polyamides are synthetic polymers commonly known as:
- (A) Synthetic rubber
- (B) Nylo
- (C) Cellulose
- (D) Protein
- (B) Nylo
Telephone was invented in 1876 in America by:
- (A) Marconi
- (B) Galileo
- (C) John Beard
- (D) Graham Bell
- (D) Graham Bell
Information can be sent over long distance in the form of:
- (A) Electrical signals through wires
- (B) Light signals through optical fiber
- (C) Radio waves through air
- (D) Any combination of these three
- (D) Any combination of these three
Information can be stored in:
- (A) Audio and video cassettes
- (B) Floppy and compact discs
- (C) Hard disks
- (D) Laser and Optical disks
- (E) All of these four
- (E) All of these four
Computer can:
- (A) Add and subtract information only
- (B) Add, subtract and sort information only
- (C) Add, subtract, sort and classify information
- (D) Add and subtract but cannot sort information
- (C) Add, subtract, sort and classify information
IBM stands for:
- (A) International Business Machines
- (B) International Big Machines
- (C) International Business Machines
- (D) Interrelated Big Machines
- (A) International Business Machines
Chemicals used to kill weeds are called as:
- (A) Insecticides
- (B) Fungicides
- (C) Herbicides
- (D) Fumigants
- (C) Herbicides
The cytoplasm consists of several types of structures, which are called:
- (A) Protoplasm
- (B) Nucleus
- (C) Cytochromes
- (D) Organelles
- (D) Organelles
The structure of DNA was elaborated by Watson and Crick in:
- (A) 1909
- (B) 1923
- (C) 1945
- (D) 1953
- (D) 1953
In a DNA molecule, the rule for bas pairing is:
- (A) Adenine always bound with thymine and cytosine with guanine
- (B) Adenine always bound with cytosine and thymine with guanine
- (C) Adenine always bound with guanine and cytosine with thymine
- (D) Adenine always bound with uracil and cytosine with guanine
- (A) Adenine always bound with thymine and cytosine with guanine