Biology MCQs
Biology MCQs Test Preparation | Latest 2025 Quiz FPSC, NTS, KPPSC, PPSC, SPSC, BPSC, OTS, UTS, PTS, CTS, ATS, ETEA MCQs Test Questions.
The air spaces may comprise upto _________ of total volume of leaf surface?
A: 30%
B: 20%
C: 40%
D: 50%
40%
The glycolate produced diffuses into the membrane bounded organelles called____________?
A: Glyoxisomes
B: Peroxisomes
C: Lysosomes
D: Mitochondria
Peroxisomes
Breaking of terminal phosphate of ATP releases about ___________ Kcal of energy?
A: 6.1
B: 6.3
C: 7.1
D: 7.3
7.3
Functional units of lungs are called________?
A: Alveoli
B: Air sacs
C: Parabronchi
D: None of these
Air sacs
Lungs are spongy due to the presence of million of___________?
A: Air sacs
B: Alveoli
C: Bronchioles
D: Parabronchi
Alveoli
___________ respiration is directly involved in the production of energy, necessary for all living activities?
A: Organismic
B: Cellular
C: Both of these
D: None of these
Cellular
Lungs are covered with double layered thin membranous sac called___________?
A: Disphragm
B: Pleura
C: Pericardium
D: Rib cage
Pleura
___________ respiration is the process by which cell utilized oxygen and produces CO2 ?
A: Cellular
B: Organismic
C: Both of these
D: None of these
Cellular
During rest the breathing occurs rhythmically at the frequency of _________ times per minute in human?
A: 16-30
B: 15-20
C: 5?10
D: 6?12
15-20
Of the following, which one is better respiratory medium___________?
A: Air
B: Water
C: Soil
D: None of these
Air