Which of the following contains genes for drug and disease resistance in bacteria?

Bacteriochlorophylls does not include________________?

A. Chlorophyll e
B. Chlorophyll d
C. Chlorophyll a
D. Chlorophyll c

Vascular Cambium initially appears as actively dividing cells between_________________?

A. Primary Xylem and secondary xylem.
B. Primary xylem and secondary phloem.
C. Primary xylem and primary phloem
D. Secondary xylem and secondary phloem.

Proteins are polymers of___________?

A. Fatty acids
B. Isoprenoid units
C. Amino acids
D. Nucleotides

Which of the following statement about alternation of generation in bryophytes is incorrect?

A. It involves alternation of morphologically different generations
B. Their gametophyte is independent while sporophyte depends upon gametophyte for nutrition.
C. Both the gametophyte and sporophytes are haploid generations thus can produce haploids gametes to continue the diploid number on fertilization
D. Spore formation occurs through meiosis

Gametophyte of Psilopsida develops a symbiotic association with which of the following______________?

A. Algae
B. Bacteria
C. Protozoa
D. Fungus

Diatom frustule/ shell is made of_____________?

A. Silica
B. Calcium carbonate
C. Manesium carbonate
D. Both B. and C.