-
- Rate of reaction is indirectly proportional to substrate concentration at this point
- Enzymes get denatured at higher substrate conc
- All the active sites on enzyme molecule are occupied
- None of these
Sciences MCQs
Hydra has_____.
-
- Brain
- Neuron-cells
- Nerves
- None of these
During anaerobic respiration the final electron acceptor in electron transport chain is_____.
-
- Sulfate
- Molecular oxygen
- NADP+
- water
A structure formed by groups of similar cells organized into loose sheetsor bundles performing similar functions is called as_____.
-
- An organ
- An organism
- A Cell
- A Tissue
In planaria, numerous small branches which end blindly are called as_____.
-
- Hepatic caeca
- Intestinal caeca
- Both b & c
- Digestive tract
Mantle in molluscs is present over_____.
-
- Dorsal visceral region
- Head
- Ventral muscular foot
- None of these
Which of the following animal has a hydrostatic skeleton?
-
- Round worm
- Tape worm
- Earthworm
- Pin worm
A bacterium with tuft of flagella at both poles is called_____.
-
- Lophotrichus
- Amphitrichous
- Monotrichous
- Peritrichous
The one which is present in all living things is _____.
-
- Cell membrane
- Cell nucleus
- Vacuole
- DNA or RNA
S-band locomotion is characteristically seen in_____.
-
- Bony fish
- Fish like mammals
- Cartilaginous fish
- All fishes