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