841. mitochondria in ear lobe cells are nearly____________?
A. 40
B. 50
C. 55
D. 60

842. four daughter cells are given to rise during the process of____________?
A. meiosis
B. mitosis
C. cell division
D. none of these

843. which of the following gives to rise two daughter cell during cell division?
A. meiosis
B. mitosis
C. both a & b
D. none of these

844. in animals meiosis produces____________?
A. spores
B. gametes
C. both a & b
D. all the above

845. prokaryotic and eukaryotic are two types of___________?
A. cells
B. tissues
C. organs
D. organisms

846. cells are of__________types?
A. 4
B. 3
C. 2
D. 1

847. Gametophyte of Psilopsida develops a symbiotic association with which of the following______________?
A. Algae
B. Bacteria
C. Protozoa
D. Fungus

848. Which of the following is an example of the living member of Psilopsida________________?
A. Rhynia
B. Psilophyton
C. Psilotum
D. Cooksonia

849. In term of spore production Selaginella is characterized by________________?
A. Homosporous
B. Hetrosporous
C. Both depending upon the conditions
D. None of these

850. Which of the following tracheophytes are also called arthrophytes______________?
A. Psilopsids
B. Lycopsids
C. Sphenopsids
D. Prteropsids