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Latest General Biology MCQs Section 5: You Need to Know

Biology MCQs Section 5

The answers of questions marked with * are subject to change with time

 


  • Diaphragm is a thin skeletal muscle in body related to:

A. Digestion system
B. Respiratory system
C. Nervous system
D. Circulatory system

Junior Clerk PWWB LHRD-19


  • Man exhales _____ and inhales _____ during respiration.

A. Oxygen & Carbon dioxide
B. Carbon dioxide & Oxygen
C. Carbon monoxide & Oxygen
D. Carbon & Nitrogen

Tax Inspector-08


  • Which two gases do you exhale more than you inhale?

A. Carbon and Nitrogen
B. Carbon and Oxygen*
C. Hydrogen
D. Chlorine

Naib Tehsildar-09


  • _____ is the sensitive layer of eye.

A. Iris
B. Retina
C. Choroid
D. Sclera

Lecturer (Biology) PHED-20


  • The part of the eye that allows us to focus on different things is known as the:

A. Cornea
B. Iris
C. Lens
D. Pupil

Gender Monitoring Specialist WDD-18 (Contract Basis)


  • In eye donation, which part of the eye is used?

A. Retina
B. Cornea
C. Optic Nerve
D. Iris

Labour Officer-17


  • Human eye is sensitive to which colour (light)?

A. Red
B. Green
C. Blue
D. Yellow

AD Pop Welfare-19


  • Which of the following is responsible for the largest amount of oxygen of Earth?

A. Trees
B. Algae
C. Peat bogs
D. Grass

Labour Officer-17/AD Labour Welfare-17/Asst PAD-18


  • If all the plants of the world die, all the animals will also die due to shortage of:

A. Shelter
B. Cold air
C. Oxygen
D. Food

Manager Auqaf-20


  • Dead plants on the surface of water and oxygen depletion of the water body is called:

A. Deoxygenation
B. De-Nitrogenization
C. Eutrophication
D. Photosynthesis

Asst Punjab Workers Welfare Board LHRD-19 (Contract Basis)


  • Which chemical in tobacco causes a smoker to be addicted to smoking?

A. Carbon monoxide
B. Tar
C. Nicotine
D. Ammonia

Labour Officer-17


  • The respiratory problem common in smokers is:

A. Tuberculosis
B. Asthma
C. Emphysema*
D. Stroke

Asst S&GAD-20


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