Question 1 of 20 60 total questions
Hydra feeds by
A digesting its food extra cellularly
B absorbing food digested by other organisms
C symbiotic association
D masticating the food particles
E synthesising its food chemically
Which of the following plants is a carnivore?
A Desmodium
B Sundew
C Mushroom
D Platycerium
E Liverwort
The enzyme that acts on milk in the stomach is
A invertase
B trypsin
C diastase
D renin
E ptyalin
The pancreatic duct opens into the
A caecum
B colon
C ileum
D duodenum
E oesophagus
Which of the following organisms has homodont dentition?
A Rabbit
B Man
C Sheep
D Cat
E Lizard
The mode of nutrition which describes feeding habit in animals is
A autotrophic
B holozoic
C holophytic
D saprophytic
E photosynthetic
The role of bacteria in the nitrogen cycle includes the following except
A fixing atmospheric nitrogen
B converting ammonia to nitrites
C converting nitrites to nitrates
D converting carbohydrates to carbondioxide
E causing the decay of dead organisms
Which of the following processes removes CO2 from the atmosphere?
A Respiration
B Photosynthesis
C Transpiration
D Excretion
E Combustion
In testing for starch in a leaf the function of alcohol is to
A kill the cells of the leaf
B soften the veins of the leaf
C aid iodine to penetrate the cells
D be a component of the heating bath
E extract the chlorophyll from the leaf
Which of the following is a feature of wind pollinated flowers?
A Large and brightly coloured petals
B Possession of sweet scent
C Presence of nectar
D Presence of pollen guides
E Smooth, light and numerous pollen grains
The function of the part labelled V in the diagram is the
A manufacture of food
B storage of food
C secretion of digestive enzymes
D protection of the radicle
E absorption of mineral salts
The part labelled IV in the diagram is the
A plumule
B endosperm
C radicle
D coleoptile
E pericarp
The part labelled II in the diagram is the
A plumule
B endosperm
C radicle
D coleorhiza
E pericarp
If the petals of a flowering plant are removed. Which of the following processes is likely to be affected?
A Transpiration
B Pollination
C Germination
D Photosynthesis
E Dispersal
The collective name for the female parts of the flower is
A gynoecium
B androecium
C ovary
D stigma
E style
Which of the following mammalian features acts as a shock-absorber to the developing embryo?
A Amniotic fluid
B Umbilical cord
C Placenta
D Amnion
E Chorion
Which of the following organisms lacks a reproductive organ?
A Chlamydomonas
B Toad
C Pride of Barbados
D Cockroach
E Man
The organ responsible for equalising air pressure in the ear is
A sacculus
B utriculus
C Eustachian tube
D ampulla
E air ossicle
The function of the part labelled II in the diagram is to
A transmit impulse from one end of the cell to the other
B manufacture food for the cell
C protect the axon
D produce energy for the cell
E detect electrical impulses
The cell body in the diagram labelled
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