Which of the following types of placentation is not common amongst syncarpous pistils?
Marginal
Axile
Parietal
Free central
Correct answer is A
No explanation has been provided for this answer.
In the diagram of the human sperm above, the function of the part labelled II is to
fuse the ovum during fertilization
generate the energy for the sperm to swim to the fallopian tube
help the sperm to swim forward
dissolve the membrane of the egg during fertilization
Correct answer is C
No explanation has been provided for this answer.
The diagram above is an illustration of the human sperm. The part labelled I is the
acrosome
nucleus
mitochondrion
tail
Correct answer is A
No explanation has been provided for this answer.
When viewing an object that is close to the human eye, the
eye lens becomes thin
ciliary muscles relax
suspensory lens become taut
eye lens becomes fat
Correct answer is D
No explanation has been provided for this answer.
Receptor→sensoryneuron→synapse→intermediateneuron→synapse→motorneuron→effector
Receptor→motorneuron→synapse→intermediateneuron→synapse→sensoryneuron→effector
Effector→intermediateneuron→synapse→motorneuron→synapse→sensoryneuron→receptor
Effector→motorneuron→synapse→sensoryneuron→synapse→intermediateneuron→receptor
Correct answer is A
No explanation has been provided for this answer.
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