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.Management Sciences
Category: Biology Mcqs
Which chemical component has the same % in bacterial as well as the mammalian cell_____________?
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A. Water
B. Carbohydrate
C. Proteins
D. Lipids
The one which is present in all living things
A. Cell nucleus
B. DNA or RNA
C. Cell membrane
D. Vacuole
Diatoms are found in__________?
A. Phytoplanktonic population
B. Freshwater lakes and ponds
C. Marine environment
D. All of the above
The molecules of living matter that provide building blocks are mostly based on:
A. Carbon
B. Nitrogen
C. Hydrogen
D. Ammonia
Rigor mortis i.e, stiffening of body after death results from__________?
A. Accunulation of rigid proteins molecules in sarcoplam.
B. Unavailability of ATP, which is necessary to break the link between actin and myosin.
C. Decrease in body temperature after death.
D. Death of tissue due to unavailability of O2.
An association in which fungal hyphae penetrate the outer cells of the plant root forming coils swellings and minute branches and also extend out into surrounding soil is called______________?
A. Mycorrizael association
B. Endomycorrhizae
C. Ectomycorrhizae
D. Lichen
The cell wall is usually composed of two overlapping halves called epitheca and hypotheca in__________?
A. Diatoms
B. Desmids
C. Pyrrophyta
D. Chlorophyta
Sythetic insulin from pork was formed by which technique__________?
A. Parasitology
B. Social biological techniques
C. Biotechnology
D. Both a and c
Which of the following is an example of the living member of Psilopsida________________?
A. Rhynia
B. Psilophyton
C. Psilotum
D. Cooksonia
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