General Science (Biology-Physics-Chemestry) Question & Answers MCQ's

Question 61 :
SONAR is based on the principle of

1. echo
2. resonance
3. reverberation
4. any one of the above

Question 62 :
Shaving mirrors are

1. convex mirrors
2. concave mirrors
3. plane mirrors
4. none of these

Question 63 :
Hearing is controlled by

1. tyemporal lobes
2. cerebrum
3. hypothalamus
4. parietal lobe

Question 64 :
Strongest cartilage is

1. hyaline cartilage
2. fibrous cartilage
3. elastic cartilage
4. none of the above

Question 65 :
In humans bile juice is secreted by

1. pancreas
2. small intestine
3. esophagus
4. liver

Question 66 :
Pancreas has

1. only endocrine cells
2. only one type of cell the same functioning both in an exocrine and endocrine fashion
3. two types of cells-exocrine and endocrine
4. only exocrine cells

Question 67 :
Which one of the following statements is wrong?

1. Voltmeter should have high resistance
2. Ammeter should have low resistance
3. Ammeter is placed in parallel
4. Voltmeter is placed in parallel across the conductor in a circuit

Question 68 :
Bark of which plant yields famous drug of malaria?

1. cinchona
2. quercus
3. betula
4. eucalyptus

Question 69 :
Which of the following characteristics are associated with gaseous state?

1. Definite shape compressible fixed volume
2. Incompressible fixed shape and size
3. No fixed shape and size highly compressible
4. Fixed shape incompressible closely packed

Question 70 :
Which cell stops dividing after birth?

1. glial cells
2. epithelium
3. liver
4. neuron

Question 71 :
Trypanosoma is

1. bacteria
2. fungus
3. algae
4. protozoa

Question 72 :
An erythrocyte lives for approximately

1. one week
2. one month
3. four months
4. one year

Question 73 :
During the 19th century light was considered to be a stream of particles called

1. atoms
2. electrons
3. corpuscles
4. quantas

Question 74 :
There are how many pairs of spinal nerves in a human

1. 8
2. 12
3. 25
4. 31

Question 75 :
The SI unit of temperature is

1. Kelvin
2. second
3. mole
4. candela

Question 76 :
Inertia is that property of a body by virtue of which the body is

1. unable to change by itself the state the rest
2. unable to change by itself the state of uniform motion
3. unable to change by itself the direction of motion
4. unable to change by itself the state of rest and of uniform linear motion

Question 77 :
Cyanobacteria are

1. bacteria
2. virus
3. algae
4. fungi

Question 78 :
Which of the following animals has no need for a gall bladder?

1. horse
2. lion
3. dog
4. human

Question 79 :
The light which refracts most while passing through a prism is

1. red
2. violet
3. indigo
4. yellow

Question 80 :
What should be added to pure iron to make stainless steel?

1. nickel and cobalt
2. cadmium and chromium
3. nickel and cadmium
4. chromium and nickel

Question 81 :
Neutron was discovered by

1. J J Thomson
2. James Chadwick
3. Goldstein
4. Rutherford

Question 82 :
Which of the following is an example of fossil fuel?

1. coal gas
2. coke
3. natural gas
4. producer gas

Question 83 :
Bleaching powder is

1. CaO2CI
2. CaOCl2
3. CaCIO2
4. CaCl2+02

Question 84 :
Cake does not taste bitter due to presence of

1. sodium carbonate
2. tartaric acid
3. citric acid
4. sugar

Question 85 :
Which of the following is not a noble gas?

1. helium
2. neon
3. argon
4. hydrogen

Question 86 :
BCG vaccine is used to protect a child from

1. polio
2. plague
3. dengue
4. tuberculosis

Question 87 :
Heat flows as a result of difference of

1. temperatures
2. weights
3. masses
4. none of these

Question 88 :
The covering of lungs is called

1. pericardium
2. pleural membrane
3. perichondrium
4. peritoneum

Question 89 :
Phagocytosis and pinocytosis are collectively termed as

1. endocytosis
2. suspension feeding
3. omnivores
4. mucous trap

Question 90 :
Oxygenated bold is carried by

1. pulmonary vein
2. pulmonary artery
3. hepatic portal vein
4. renal vein