Nitrifying bacteria are the examples of___________?
Nitrifying bacteria are the examples of___________?
A. Hetrotrophic bacteria
B. Chemosynthetic bacteria
C. Saprophytic bacteria
D. Parasitic bacteria
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The part of chloroplast where CO2 is fixed to manufacture sugar is__________?
The part of chloroplast where CO2 is fixed to manufacture sugar is__________?
A. Stroma
B. Grana
C. Thylakoid
D. Outer membraneCyanobacteria reproduce by____________?
Cyanobacteria reproduce by____________?
A. Binary fission
B. Mitosis
C. Meiosis
D. ConjugationWater potential of pure water is__________?
Water potential of pure water is__________?A. zero
B. one
C. negative
D. twoUnder resting membrane potentials:
Under resting membrane potentials:
A. Outer surface of neuron is more positive
B. Inner surface of neuron is more positive
C. Both of these surfaces are equally positive
D. none of these.Which of the following statement about alternation of generation in bryophytes is incorrect?
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____________ was first to propose an objective definition of instinct.
____________ was first to propose an objective definition of instinct.
A. Thorpe
B. Darwin
C. Pavlov
D. Kohler