If a plasmolysed plant cell is placed in water the cell will___________?
(A) Burst
(B) Be Killed
(C) Be deplasmolysed
(D) Show no change in it
Actin and myosin are the basic proteins involved in contractile machinery of our body to which type of proteins do they belong____________?
(A) Globular proteins
(B) Fibrous Proteins
(C) Both a and b
(D) None of these
The food of hydra consists of___________?
(A) Humus
(B) Detritus
(C) Dead microscopic animals
(D) Small crustaceans
Which of the following are triploblastic and acoelomate?
(A) Sponges
(B) Annelida
(C) Platyhelminthes
(D) Aves
helical structure is kept by the formation of _________ bonds among amino acids molecules?
(A) H bonds
(B) Disulphide Bond
(C) Ionic bond
(D) Hydrophobic bonds
Which of the following occurs in anaerobic respiration but not in aerobic respiration?
(A) Release of CO2
(B) Reduction of NAD
(C) Formation of ATP
(D) Production of ethanol from acetaldehyde
Which of the following does not show quaternary structure____________?
(A) Haemoglobin
(B) Pepsin
(C) Fibrin
(D) Insulin
The type of learning in which there is loss or decrease in response to repeated stimuli?
(A) Imprinting
(B) Habituation
(C) Latent learning
(D) Insight learning
Sleep movements are a type of___________?
(A) Turgor movements
(B) Growth movements
(C) Tactic movements
(D) Paratonic movments