Tag: oviparous and viviparous
Questions Related to oviparous and viviparous
The process by way of which a larva or miniature adult comes out of the egg membranes is known as
Organisms which give birth to young ones directly are
A hatching egg of chick is covered by plaster of paris. It is harmful for
Metamorphosis is not observed in life cycle of?
Which of the following hormones controls metamorphosis in a frog?
(a) Zygote divides a number of times and forms a hollow ball-like structure called (i).
It moves down and gets implanted in the uterus. It starts developing body parts and at this stage, it is called (ii).
(b) (iii) is the period in life when a girl or a boy attains sexual maturity.
(c) Production of sex hormones is under the control of _(iv)_ gland.
(d) Metamorphosis in frog requires the presence of _(v)_ in water to produce thyroxine hormone.
Choose the correct option for any of the two blanks.
Match the following (w.r.t type of metamorphsis involved).
Column I | Colimn II | |
---|---|---|
a | Paurometabolous | Silk worm |
b | Hemimetabolous | Grasshopper |
c | Holometabolous | Silver fish |
d | Ametabolous | Dragon fly |
Cells become variable in morphology and function in different regions of the embryo , the process is:
A tadpole develops into an adult frog by the process of
Caterpillar and maggots are