MCQs

Q261: T.B is an infectious bacterial disease caused by Mycobacterium, which of the following is not symptom of TB?

• A) Fever
• B) Chest pain
• C) Weight gain

Q262: Following are the constituent of polluted air cause of Acid rain except?

• A) Argon
• B) Nitrogen
• C) Sulphur dioxide

Q263: The phenomenon of dispersion light can be observed experimentally by passing a white light through ____?

• A) Lens
• B) Prism
• C) Prism

Q264: In human and higher animals the exchange of gases is carried put by _____?

• A) Circulatory processes
• B) Respiratory processes
• C) Digestive processes

Q265: Respiration involves _______?

• A) Only Mechanical Process
• B) Only Biochemical Process
• C) Mechanical and Biochemical processes

Q266: Which organ is made up of air carrying tubes and tiny sacs?

• A) Brain
• B) Lungs
• C) Liver

Q267: The movement of materials/sugar from the leaves to other tissues of the plant is called?

• A) Translocation
• B) Photosynthesis
• C) Respiration

Q268: This is layer of atmospheric gas that absorbs harmful ultraviolet rays from Sun?

• A) Ozone Layer
• B) Troposphere
• C) Stratosphere

Q269: A sphygmomanometer is used to check _____?

• A) Blood pressure
• B) White blood cells
• C) Sugar level

Q270: Recognize the part of eye which control the amount of light entering inside the eye is?

• A) Cornea
• B) Iris
• C) Pupil