Tinning : Tin : : Galvanizing : _________
Mammals : _________ : : Amphibia : Fishes
Solar water – heater works on renewable energy system
In human beings the blood goes to the heart in one cycle once.
In frogs, thyroid secretion stimulates the metamorphosis from tadpole to adult frog.
Carbon dioxide enters into the leaves through tiny pores present on the surface of the leaf called _________.
Yeast reproduces by _________.
(a) spore formation
(b) multiple fission
Raisins put in water absorb water by the process of _________.
Name the following :
(a) Cells that assist the neuron in their function
(b) The small gap between the consecutive neurons
(c) Part of the brain that co-ordinates the voluntary functions
Explain the process of fertilization in human beings.
Explain the process of development in human beings.
Explain the process of birth in human beings.
Which mode of reproduction gives rise to variation?
Give the importance of variation in survival of species.
Given below are the end products of different reactions involving glucose. Write the appropriate end product in front of the following:
(1) Anaerobic reaction =
(2) Reaction in human muscles =
(3) Aerobic respiration
(4) Reaction in plant cells =
(5) Reaction in liver =
Give other two names of ethanol.
Give two properties of ethanol.