Q. 54.3( 176 Votes )
Give two differences between a zygote and a foetus.
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Give the stages of growth in silkworm.All in One - Science
The term metamorphosis is not used while describing human development. Why?NCERT - Science Exemplar
Name two animals which produce embryos that grow into larvae before transforming into adults.Lakhmir Singh & Manjit Kaur - Science
Which of the following animals undergo metamorphosis and which do not ?
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Name two animals which undergo metamorphosis and two which do not.Lakhmir Singh & Manjit Kaur - Science
Which of the following animal does not show metamorphosis ?Lakhmir Singh & Manjit Kaur - Science
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Stages in the lifecycle of silkworm are given below. Write them in sequential order.
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A is an insect which breeds in ponds of stagnant water. The egg of this insect produces a worm like form B which is entirely different in appearance from the adult insects. The form B undergoes a change C and gets converted into insects A. The female of insects A is a carrier of protozoan D which spreads a disease in humans.
(a) What are A, B, C, and D ?
(b) Name another insect which also undergoes change C.Lakhmir Singh & Manjit Kaur - Science
A tadpole develops into an adult frog by the process of :Lakhmir Singh & Manjit Kaur - Science