Question 1 of 20 5,032 total questions
During fertilization, the direction in which the pollen tube grows is controlled by
A Ovary
B ovule
C pollen grains
D pollen tube nucleus
E style
The following are functions of the liver EXCEPT
A deamination of excess amino acids and proteins
B excretion of bile pigments
C manufacture of blood plasma
D production of heat
E storage of vitamins and minerals
Which of these organisms exists as a filament?
A Diatom
B Euglena
C Paramecium
D Spirogyra
E Volvox
The following attract insects to flowers for pollination EXCEPT
A brightly coloured petals
B broad and grooved corolla
C presence of anther with light pollen grains
D presence of nectar
E presence of sweet scent
Petals join together to form a tube known as
A epigynous
B gamopetalous
C hypogynous
D polypctalous
E polysepalous
The network of blood capillaries in the kidney capsule is referred to as
A capsule
B glomerulus
C pelvis
D pyramid
E ureter
Which of the following modes of nutrition Is autotrophic?
A Holophytic
B Holozoic
C Parasitic
D Saprophytic
E Symbiotic
The following are the functions of a worker termite EXCEPT
A building of tunnels
B construction of fungus garden
C feeding the young
D fetching food
E protecting the nest
The following are ways of preserving food EXCEPT
A boiling
B canning
C drying
D freezing
E salting
The two nuclei contained in the germinating pollen grain are
A egg and palisade
B generative and sperm
C generative and tube
D spongy and tube
E tube and cellular
Meiosis involves all the following EXCEPT
A exchange of genes
B production of cells with diploid number of chromosomes
C production of cells with haploid number of chromosomes
D production of two daughter cells
E two nuclear divisions
The structure that separates the thoracic from abdominal cavity is
A diaphragm
B intercostal muscle
C rib
D sternum
E thoraxic vertebrae
The main constituents of glomerular filterate are
A blood and water
B blood and urea
C glucose and water
D salt and blood
E water and urea
Which of these is an example of physiological variation?
A Blood group
B Eye colour
C Fingerprint
D Height
E Weight
Intercostal muscles are found in the ------ region
A abdominal
B chest
C head
D limb
E neck
Spider belongs to which of the following classes in the phylum arthropoda?
A Arachnida
B Chilopoda
C Crustacean
D Insect
E Myriapoda
The group of organisms at the base of the pyramid of numbers are
A decomposers
B primary consumers
C producers
D secondary consumers
E tertiary consumers
The type of association in which one organism benefits and the other neither benefits nor is harmed is called
A commensalism
B mutualism
C parasitism
D saprophytism
E symbiosis
Amoeba engulfs food particles by means of its
A contractile vacuole
B cytoplasmic membrane
C food vacuoles
D nucleus
E pseudopodia.
Amoeba engulfs food particles by means of its
A contractile vacuole
B cytoplasmic membrane
C food vacuoles
D nucleus
E pseudopodia.
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