831. The number of chromosomes in human cell is_____________?
A. 48
B. 44
C. 46
D. 26
832. The resolving power of electric microscope is____________?
A. 0.2 mm
B. 0.2 nm
C. 0.2 m
D. none of these
833. Free living example of Platyhelminthes is____________?
A. Dugesia
B. Fasciola
C. Taenia
D. None of these
834. Psedudocoelom is character of____________?
A. Coelenterates
B. Platyhelminthes
C. Aschelminthes
D. Annelids
835. Which of the following statement about plants is incorrect?
A. All are eukaryotes
B. They are multicellular.
C. Non-motile organisms
D. They Are heterotrophes
836. Antheridia and archegonia are born on ______________ in bryophytes.
A. Sporophyte
B. Gametophyte
C. Both of these
D. None of these
837. Which of the following of bryophytes are the simplest one?
A. Porella
B. Funaria
C. Anthocerus
D. Polytrichum
838. Ferns are included in__________?
A. Psilopsida
B. Lycopsida
C. Sphenopsida
D. Pteropsida
839. in which cell ribosome are of large size and present either on endoplasmic reticulum or free in cytoplasm?
A. prokaryotic
B. eukaryotic
C. both
D. all the above
840. mitochondria in heart muscles are nearly_____________?
A. 400
B. 375
C. 350
D. 325