The vascular plants are termed as____________?
A. tracheophytes
B. bryophytes
C. pteridophytes
D. all of these
A. tracheophytes
B. bryophytes
C. pteridophytes
D. all of these
__________ are believed to have common origin with annelids.
A. Nematods
B. Arthropods
C. Molluscs
D. None of these
The discease in which transmembrane carrier for the chloride ion is not produced is__________?
A. Hyperchloesterolemia
B. Cystic fibrosis
C. Severe combined immunodeficiency syndrome
D. AIDS
Which of the following is the basic unit of classification___________?
A. Species
B. Genus
C. Family
D. Order
Embryonic induction is caused by part develog from_____________?
A. Endoderm
B. Ectoderm
C. Mesoderm
D. Extraembryonic layers
How many species of ascomycota occur in lichen symbiotic association?
A. 30%
B. 40%
C. 50%
D. 60%
The chloroplasts of diatoms and chrysophycean algae do not possess____________?
A. Chloryphyllpigments
B. Enzymes for photolysis
C. Defined grana and stroma
D. Carotenes with chlorophylls