In which one of the following do the two names refer to one and the same thing?
Options
(a) Tricarboxylic acid cycle and urea cycle (b) Krebs cycle and Calvin cycle (c) Tricarboxylic […]
In which of these animals, skin serves as an accessory organ of respiration
Options
(a) Bird (b) Frog (c) Lizard (d) Rabbit
Correct Answer:
Frog
Explanation:
In frog, the skin serves as an […]
In which of these animals, antennal gland or green glands functions as excretory organ
Options
(a) Human being (b) Cockroach (c) Planaria (d) Prawn
Correct Answer:
Prawn
Explanation:
In crustaceans, antennary gland or […]
In which of the following, purifying bacteria is present
Options
(a) Intestine (b) Colon (c) Stomach (d) Liver
Correct Answer:
Colon
Explanation:
The bacteria are found in the colon which infact are the […]
In which of the following respect, the plant hormones differ from enzymes
Options
(a) Required in less quantity (b) They are expended in the process (c) They release some energy (d) None of […]
In which of the following proteins are absent
Options
(a) Pancreatic juice (b) Saliva (c) Bile (d) Intestinal juice
Correct Answer:
Bile
Explanation:
Bile has no digestive enzymes and hence, no chemical action […]
In which of the following process 36 ATP molecules are produced by per hexose molecule.
Options
(a) Glycolysis (b) Kreb’s cycle (c) Direct oxidation pathway (d) None of the above
Correct Answer:
Direct […]
In which of the following all three are macronutrients?
Options
(a) Boron,Zinc ,Manganese (b) Iron,Copper ,molybdenum (c) Molybdenum,magnesium,manganese (d) Nitrogen,nickel ,phosphorus
Correct Answer:
Nitrogen,nickel ,phosphorus
Explanation:
None of the options are accurate with […]
In which animal is nerve cell present but brain absent?
Options
(a) Sponge (b) Earthworm (c) Cockroach (d) Hydra
Correct Answer:
Hydra
Explanation:
A primitive type of nervous system,without brain is found in […]
In vertebrates,simple reflex action is
Options
(a) polysynaptic (b) bisynaptic (c) trisynaptic (d) monosynaptic
Correct Answer:
monosynaptic
Explanation:
A reflex action is a nerve mediated spontaneous,automatic and involuntary response to a stimulus acting […]
2017 Copyright Doctor Dreams Training Academy