A. Carbon dioxide
B. Chlorofluorocarbons
C. UV rays
D. Deforestation
Related Mcqs:
- In human female, fertilization commonly occurs at______________?
A. Proximal part of oviduct
B. Distal part of oviduct
C. Uterus
D. Cervix - Detachment of myosin head and actin in rigor mortis occurs due to__________?
A. stored ATP in body
B. hypercalcemia
C. autolysis in body
D. hyperactivity of mitochondriaSubmitted by: Maryam Aftab
- Muscle fatigue occurs due to accumulation of___________?
A. Acidic acid
B. Butyric acid
C. Citric acid
D. Lactic acidSubmitted by: Babar Ali Kunbhar
- Enterobius vermicularis is commonly known as____________?
A. Flatworm
B. Pinworm
C. Hook worm
D. Tapeworm - Carbon commonly combines with______________?
A. H
B. N & O
C. P & S
D. All of these - Puccinia commonly destroys______________?
A. Corn
B. Tomato
C. Dodder
D. Wheat - Commonly in other plants than tall ones the speed of upward movement of water is____________?
A. 8mh-1
B. 1 mh-1
C. 7 mh-1
D. 4 mh-1 - Aquatic animals excrete nitrogenous waste commonly in the form of_____________?
A. Ammonia
B. Urea
C. Uric acid
D. Trimethylamine oxide - Who is commonly known as “the Father of Microbiology”?
A. Charles Darwin
B. Robert Hook
C. Antonie van Leeuwenhoek
D. None of theseSubmitted by: Haziq
- 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
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