1
MHT CET (PCB) 2024 22th April Morning Shift
MCQ (Single Correct Answer)
+1
-0

Arrange the following in sequence during the transmission of nerve impulse at chemical synapse.

i. Neurotransmitter binds with receptors of post synaptic cell.

ii. Calcium channels open and the calcium diffuses inward from ECF.

iii. Impulse travels along the axon of presynaptic neuron.

iv. Release of neurotransmitter by exocytosis.

v. Synaptic vesicles fuse with cell membrane of axon terminal of presynaptic neuron.

A
i, ii, v, iii, iv
B
iii, v, ii, iv, i
C
ii, v, i, iii, iv
D
iii, ii, v, iv, i
2
MHT CET (PCB) 2024 22th April Morning Shift
MCQ (Single Correct Answer)
+1
-0

The highest level of ecological hierarchy in ecological organization is

A
biome
B
community
C
population
D
organism
3
MHT CET (PCB) 2024 22th April Morning Shift
MCQ (Single Correct Answer)
+1
-0

Primary productivity in an ecosystem refers to the rate of generation of _________ .

A
oxygen
B
carbon dioxide
C
detritus
D
biomass
4
MHT CET (PCB) 2024 22th April Morning Shift
MCQ (Single Correct Answer)
+1
-0

Cells of malignant tumor spread from one organ to other via blood or lymph and cause new tumor. This property is called ___________ .

A
metastasis
B
parthenogenesis
C
interkinesis
D
metamorphosis
EXAM MAP