Biology Questions & Answers (Compiled from UPSC, SSC ,PSC ,IBPS previous question papers)

Which one of the following statements in incorrect?

Which of the following represents the correct
combination without any exception?

The terga, sterna and pleura of cockroach body are
joined by :

Select the correct matching in the following pairs :

Alleles are :

A somatic cell that has just completed the S phase
of its cell cycle, as compared to gamete of the same
species, has :

Which one of the following is not an inclusion body
found in prokaryotes ?

In ginger vegetative propagation occurs through:

Which one of the following may require pollinators,
but is genetically similar to autogamy ?

Male gemetes are flagellated in :

Vascular bundles in monocotyledons are considered
closed because:

When you hold your breath, which of the following
gas changes in blood would first lead to the urge to
breathe?

Blood pressure in the mammalian aorta is
maximum during :

Which is the most common mechanism of genetic
variation in the population of sexually reproducing
organism?

Erythropoiesis starts in :

In an ecosystem the rate of production of organic
matter during photosynthesis is termed as:

Which of the following animals is not viviparous

The mass of living material at a trophic level at a particular time is called :

Multiple alleles are present :

Vertical distribution of different species occupying
different levels in a biotic community is known as:

In a ring girdled plant:

The chromosomes in which centromere is situated
close to one end are:

The structures that are formed by stacking of
organized flattened membranous sacs in the
chloroplasts are :

Which of the following cells during gametogenesis
is normally dipoid?

Which of the following characteristics is mainly
responsible for diversification of insects on land ?

A major characteristic of the monocot root is the
presence of :

Removal of proximal convoluted tubule from the
nephron will result in:

Hysteresctomy is surgical removal of :

HIV that causes AIDS, first starts destroying:

In which of the following both pairs have correct
combination :-