The most important photosynthetic pigment is ___________??
A. Chlorophyll a
B. Chlorophyll b
C. Xanthophyll
D. Carotenes
Category: Biology Mcqs
Autotrophic organisms can exist in an exclusively ________________ environment??
A. Organic
B. Inorganic
C. Wet
D. Terrestrial
Far-red light promotes flowering in_______________??
A. Short day plant
B. Long day plant
C. Day neutral plant
D. None of these
The structure which has been formed or modified from gill pouches in humans is___________??
A. Gills
B. Eustachian tube
C. Middle ear
D. Lungs
Earthworm is included in_____________??
A. Kingdom Plantae
B. Kingdom Protoctista
C. Kingdom Monera
D. Kingdom Animalia
Open circulatory system can contain_________??
A. Red Blood Cells
B. White Blood Cells
C. Haemoglobin
D. All of these
Resolution power of a compound microscope is___________??
A. 2.0 ?m
B. 2-4 A
C. 24 ?m
D. 24 A
The dense fluid filled region in the chloroplast is____________??
A. Grana
B. Stroma
C. Thylakoid
D. None of these
The bristles on the body of the cockroach arise from__________??
A. Epidermis
B. Trichogen cell
C. Basement membrane
D. Malpighian cell
Which of the following animal has a hydrostatic skeleton??
A. Earthworm
B. Round worm
C. Tape worm
D. Pin worm
