Biology

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Past Questions

Question 631
jamb 1991
a

sheet erosion and evaporation

b

leaching, underground seepages and run-off

c

sheet erosion, gully erosion and wind erosion

d

wind erosion and heavy rainfall

Question 632
jamb 1991
a

root nodules

b

tap root

c

branch roots

d

root hairs

Question 633
jamb 1992
a

endoplasmic reticulum

b

ribosome

c

golgi body

d

mitochondrion

Question 634
jamb 1992
a

an aggregate of similar cells

b

an aggregate of cells performing a similar function

c

an aggregate of similar cells performing the same function

d

a mixture of different cells types performing the same function

Question 635
jamb 1992
a

Spore → prothallus → thallus → sporangium

b

Male and female gamentangia → zygospores → sporangium → spores

c

Spore → thallus → spermatozoa + ovum → sporangium

d

Prothallus → spermatozoid → +egg cell → leafy plant → sporangium → spore

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