Biology in Human Welfare Sample Questions for Class 12
Question 1
What structure in the ear is most responsible for the sense of balance?
A. tympanic membrane
B. auricle
C. cochlea
D. semicircular canals
Question 2
Define phylogeny.
A. history of evolution of organisms (tree diagram)
B. order of taxa
C. two-part key used to identify organisms by their physical features
D. the science of classifying and naming organisms
Question 3
Which characteristics apply to arthropods?
A. jointed legs, chitin exoskeleton
B. mushy body, spiny skin
C. segmented body
D. produce milk, have hair
Question 4
The pericardial cavity is the area that surrounds the
A. heart.
B. lungs.
C. brain.
D. muscles.
Question 5
The ovary is part of which two systems?
A. reproductive and endocrine systems
B. digestive and endocrine systems
C. reproductive and respiratory systems
D. digestive and respiratory systems