Question 1 of 7 107 total questions
Which of the following is true of leucocytes?
A they are respiratory pigments
B they are most numerous and ramify all cells
C they are large and nucleated
D they are involved in blood clotting
Which of the following can cause shrinkage of living cells?
A Hypotonic solution
B Isotonic solution
C Deionized water
D Hypertonic solution
An example of an endospermous seed is
A maize gain
B cashew nut
C cotton seed
D been seed
The adaptive importance of nuptial flight from termite colonies is to
A disperse the reproductives in order to establish new colonies
B provide abundant food for birds and other animals during the early rains
C ensure cross-breeding between members of one colony and another
D expel the reproductives so as to provide enogh food for other members
In which of the following groups of vertebrates is parental care mostly exhibited ?
A Reptilia
B Amphibia
C Aves
D Mammalia
Seed plants are divided into
A trachephytes and ferns
B angiosperms and gymonsperms
C monocotyledons and dicotyledons
D thallophytes and bryophytes
The function of the red head in male Agama lizards is to
A conceal and camouflage the animal from predators
B scare other males from the territory
C attract female lizards for mating purposes
D warm predators of the distastefulness of the animal
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