The chloroplasts of diatoms and chrysophycean algae do not possess____________??
A. Chloryphyllpigments
B. Enzymes for photolysis
C. Defined grana and stroma
D. Carotenes with chlorophylls
Category: Biology Mcqs
Normal resting membrane potential of a neuron is_____________??
A. – 50 mv
B. – 60 mv
C. – 70 mv
D. – 80 mv
Proteins and lipids are converted into glycolipids and glycoproteins by adding carbohydrates by___________??
A. Ribosomes
B. Cytoplasm
C. Golgi apparatus
D. Endoplasmic reticulum
Which one of the following is an example of a non-elastic connective tissue??
A. Ligaments.
B. Tendon
C. Muscles.
D. None of these
If more substrate to already occurring enzymatic reaction is added more enzyme activity is seen because_____________??
A. There is probably more substrate present than there is enzyme.
B. There is probably more enzayme available than there is substrate.
C. There is probably more product present than there is either substrate or enzyme.
D. The enzyme substrate complex is probably failing to form during the reaction
The first action spectrum was obtained by___________??
A. T.W.Englemam
B. Malleus
C. T.W.Inws
D. W.Stapes
Exceptionally the positive hydrostatic pressure generated by root pressure is about___________??
A. 600 Kpa
B. 800 Kpa
C. 1000 Kpa
D. 900 Kpa
___________ is used to relieve one kind of headache, migraine??
A. Pencillin
B. Lovastatin
C. Cyclosporine
D. Ergotin
In which of the following component of the body, lactic acid fermentation takes place??
A. Brain
B. Heart
C. Liver
D. Muscles
Which statement is incorrect for cloning??
A. The nucleus of a fertilized egg is replaced by the nucleus from the cell of a fully developed individual
B. Division of a single egg into one or more separate embryos.
C. The individual is the mirror image of the parent organism
D. It involve methods of sexual reproduction
