BIOLOGY Study Mode

Try this quiz in CBT Mode
BIOLOGY in CBT Mode

Please share this quiz link to your friends, they might need it!

Quiz link
you can share this link with your friends
copy link veiw live

31.
Which type of association is shown by a fern growing on the stem of oil palm?
Join or view discussions on this question
A.
epiphytism
B.
saprophytism
C.
commensalism
D.
symbiosis
Explanation. Give a better Explanation
Fern and oil-palm commensalism. The epiphyte (fern) get enough sunlight to carry out photosyntehsis by climbing on the palm oil tree. In commensalism association, one partner benefits while the other, the host is unaffected c.


32.
Which of the following is likely to encourage inbreeding in plants?
Join or view discussions on this question
A.
dioecious
B.
predation
C.
monoecious
D.
hermaphrodite
Explanation. Give a better Explanation
Plants in which both pistillate and staminate flowers are borne on the same plant are called Monoecius. Diecious is when pistillate and staminate are on separate plant. Monoecius encourage imbreeding c.


33.
The biological association that contributes directly to succession in a community is
Join or view discussions on this question
A.
competition
B.
predation
C.
parasitism
D.
commensalism
Explanation. Give a better Explanation
Competition involves the interactions among two organism of the same species or different species in which one outgrow or survive (A)


34.
Grasses recover quickly form bush fires in the savanna because of their _______
Join or view discussions on this question
A.
fibrous roots
B.
succulent stems
C.
perennating organs
D.
rapid growth rate
Explanation. Give a better Explanation
This is because of their fibrous roots which germinate rapidly and are fire resistance (A)


35.
The ability of an organism to live successfully in an environment is known as______________
Join or view discussions on this question
A.
resistance
B.
competition
C.
succession
D.
adaptation
Explanation. Give a better Explanation
Living organ-isms are found in different types of habitats. These organisms show feature that enable them to live successfully in these environments. These may be functional, behavioural or structurally. Such factures are called adaptation (D).


36.
The community of plants in which the same species occur from year to year is the ______
Join or view discussions on this question
A.
perennial species
B.
climax species
C.
pioneer vegetation
D.
annual species
Explanation. Give a better Explanation
This is the final community or what ecologist call the Climax of the succession (B)


37.
_________ is an autotrophic mode of nutrition
Join or view discussions on this question
A.
chemosynthesis
B.
saprophytism
C.
parasitism
D.
symbiosis
Explanation. Give a better Explanation
Chemosynthesis is the synthesis of organic compounds from CO2 and H20 but the energy instead of coming form light is supplied by special method of respiration involving the oxidation of various inorganic materials such as hydrogen sulphide ammonia. Chemosynthesis is used by certain bacteria (A).


38.
Which of the following is not an organ?
Join or view discussions on this question
A.
leaf
B.
kidney
C.
heart
D.
bone
Explanation. Give a better Explanation
Bone is not an organ but a tissue (D)


39.
Mendel's first law is known as the law of
Join or view discussions on this question
A.
use and disuse
B.
segregation of genes
C.
evolution
D.
independent assortment of genes.
Explanation. Give a better Explanation
Mendelian’s first law of segregation states that contracting factors (i.e. genes are present in pairs in non-reproductive or somatic cells so that when an organism forms a gamete the pair separate (B)


40.
An interlocking form pattern of feeding relationship is called
Join or view discussions on this question
A.
food chain
B.
nutrition
C.
consumer
D.
food web
Explanation. Give a better Explanation
Numerous food chains are present in an ecosystem and these are linked together in a food web (D).


Previous Page Next Page
Question Map