Multiple Choice QuestionsNeoteny refers to
development of gonads
moulting
metamorphosis
retention of larval traits in the adult body
D.
retention of larval traits in the adult body
Neoteny refers to retention of some larval or immature character in adulthood. The development of the gonads is a part of the development of reproductive system and ultimately forms the testes in males and ovaries in females.
Moulting is the manner in which an animal routinely casts off a part of its body either at specific times of the year, or at specific points in its life cycle. Metamorphosis is a biological process by which an animal physically develops after birth or hatching.
Select the correct statements from the following regarding asexual reproduction.
I. It is slower than sexual reproduction.
II. It involve a single parent.
III. It produces progeny that are genetically identical with the parent.
IV. Clones are the progeny of asexual reproduction
I, II, III, IV
I, II, IV
I, II, III
II, III, IV
Multiplication of genetically identical copies of a cultiver by asexual reproduction is known as
aclonal propagation
clonal propagation
vegetative propagation
polyclonal propagation
In rabbit, head of epididymis present at the head of the testis is called
vas deferens
cauda epididymis
gubernaculum
caput epididymis
The most primitive cell like chemical aggregates capable of growth and division were
chemoautotrophs
eobionts
prokaryotes
microspheres
Assertion : In bacteria, photosynthesis occurs by utilizing wavelengths longer than 700 nm.
Reason : Here the reaction centre is B-890.
If both assertion and reason are true and reason is the correct explanation of assertion.
If both the assertion and reason are true but reason is not the correct explanation of assertion.
If assertion is true but reason is false.
If both the assertion and reason are false.
In prokaryotes, genetic recombination can occur during
transduction
transformation
conjugation
all of these
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