Cyclic photophosphorylation involves
PS I
PS II
PS I and PS II
P680
A.
PS I
Cyclic Photophosphorylation is the process of photophosphorylation in which an electron expelled by the excited photocentre is returned to it after passing through a series of electron carriers. It is done by PS I. It occurs in thylakoid membrane.
The type of epithelial cells which line the inner surface of Fallopian tubes, bronchioles and bronchi are known as
squamous epithelium
ciliated epithelium
columnar epithelium
cubical epithelium
Which one is correct regarding electrocardiograph (ECG)?
P- wave represents the electrical excitation of the ventricle.
QRS complex represents repolarisation of the ventricles
T- wave represents repolarisation of the atria
By counting the number of QRS complexes one can determine the pulse rate
Which of the following have porous body and are diploblastic?
Aurelia and Obelia
Adamsia and Euplectella
Leucosolenia and Spongilla
Sycon and Hydra
Chemosensitive area of respiratory centre in medulla is affected by
less CO2 and H+ ions
less O2 and H+ ions
excess CO2 and H+ ions
excess O2 and H+ ions
What are Singer and Nicolson known for?
One-gene-one-enzyme hypothesis
Plasma membrane modifications
Fluid-mosaic model of plasma membrane
Structure of DNA
What is the effect of GnRH produced by hypothalamus?
Stimulates the synthesis and secretion of androgens
Stimulates secretion of milk in mammary glands
Stimulates foetal ejection reflex
Stimulates synthesis of carbohydrates from non- carbohydrates in liver
Microvilli of intestinal epithelium are similar in function with
typhlosole in earthworm
hepatic caecae in cockroach
intestinal caecum in earthworm
Malpighian tubules in coackroach