Autophagosomes are____________??
A. Those lysosomes which eat parts of their own cells to generate energy.
B. Those lysosomes which eat old and worn out cellular organelles.
C. Lysosomes which help in extracellular digestion
D. Both a and b
Category: Biology Mcqs
Xylem and phloem are conducting tissues found in ……….??
A. animals
B. plants
C. micro organisms
D. all the above
Body is eel like in___________??
A. Cyclostomata
B. Chondrichthyes
C. Osteichthyes
D. None of these
A cofactor made of inorganic ion which is detachable is called__________________??
A. Prosthetic group
B. Coenzyme
C. Activator
D. Cofactor
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
Venus flower basket is also known as___________??
A. Sycon
B. Euplectella
C. Leucoselenia
D. Spongilla
Fishes, most of the invertebrates and amphibians are examples of ________ animals??
A. Endotherms
B. Ectotherms
C. Heterotherms
D. Homeotherms
Which of the following is second largest part of the brain_______________??
A. Cerebrum
B. Cerebellum
C. Thalamus
D. Hypothalamus
If the concentration of enzyme is kept constant and amount of substrate is increased a point is reached where increase in substrates concentration does not affect the reaction rate because of____________________??
A. Enzymes get denatured at higher substrate conc
B. Rate of reaction is indirectly proportional to substrate concentration at this point
C. All the active sites on enzyme molecule are occupied
D. None of these
Human blood is an example of__________??
A. Organelle
B. Tissues
C. Organic compound
D. Inorganic compounds
