NDA BIOLOGY 2010 PAST QUESTIONS
1. The adaptations
of animals to conditions on the sea shore does not include:
A. Tube-feet
for holding to shells
B. Shell-like protection to prevent drying
up
C. Lungs for
air-breathing
D. A stomach
adapted to store food
2. The skin
is important for protection from
A. Bacterial
invasion
B. River blindness
C. Cholera
D. Malaria
3. The interdependence
of plants and animals can best describe as follows:
A. Plants excrete
and animals excrete
B. Plants grow
and animals do not
C. Animals
synthesis food for plants
D. Animals breathe oxygen produced by plants
4. To control
transpiration, a plant may not
A. Shed its
leaves
B. Close its
stomata
C. Develop
thick layer of cuticle
D. Produce
more stomata
5. A flat green
organ which arises from the main or branch stems and participates in
food production
is
A. The tap
root
B. The leaf
C. The stem
D. The flower
6. All except
one of these plants, have two types of leaves
A. Potato
B. Banana
C. Plantain
D. Onion
7. This statement
is true of transpiration
A. It occurs
in plants only
B. Water in the form of water
vapour is lost
C. It occurs
only in the day
D. All of the
above
8. Which cells
in the retina of the eyes are used for vision in dim light and colourless vision?
A. Rod
B. Cone
C. Iris
D. Cornea
9. One of the
following excrete crystals of calcium oxalate in plants
A. Leaves
B. Bark
C. Lenticels
D. Stomata
10. Deficiency
of thyroxin causes
A. Cretinism
B. Dwarfism
C. Goitre
D. All of the
above
11. The First
requirement for a successful research in Biological Sciences is accurate
A. Record
B. Analysis
C. Observation
D. Measurement
12. Another
name for eardrum is
A. External
auditory meatu
B. Perilymph
C. Tympanic
membrane
D. Stapes
13. The essential
parts of a flower are the
A. Petals and
stamens
B. Stamens
and carpels
C. Petals and
sepals
D. Sepals and
carpels
14. If blood
does not clot this could be due to a Jack of
A. Vitamin
B
B. Vitamin
E
C. Vitamin
K
D. Vitamin
C
15. Sugars
can be written according to the general formula
A. CH2
OHn
B. CHn
OH
C. CnHn
O2n
D. CnH2n
On
16. The complete
process of renewed growth from a plant seed is called
A. Sprouting
B. Germination
C. Development
D. Growth
17. Insulin
is secreted by islets of Langerhans in the
A. Liver
B. Duodenum
C. Kidney
D. Pancreas
18. A node
is the
A. Ancillary
bud of a plant
B. Terminal
bud of a plant
C. Point of
attachment of leaf to the stem
D. Area between the mid-rid and margin
of leaves
19. The mode
of nutrition in insects is
A. Holophytic
B. Holozoic
C. Epiphytic.
D. Parasitic
20. The fatty
acids do not dissolve easily in water thus they are
A. Holophytic
B. Holozoic
C. Hydrophobic
D. Hydrophytic
21. Syphilis
is a venereal disease caused by:
A. Treponema
pallidum
B. Neisseria
gonorrhoea
C. Hemoephilus
ducreyi
D. Treponema
pertenue
22. In the
human body a cell that nearly resembles a one-celled animal is
A. Muscle cell
B. Red blood
cell
C. White blood
cell
D. Nerve cell
23. The following
class of animals are found in rocks older than 350 million years by fossil record:
A. Amphibian
B. Reptilian
C. Mammalia
D. Pisces
24. Spermatophyte
can be grouped into:
A. Algae and
fungi
B. Bacteria
and fungi
C. Pteridophyta
and gymnosperms
D. Gymnosperms
and angiosperms
25. In complete
darkness the pupils of the eyes are:
A. Small
B. Large
C. Close entirely
D. Cannot change
26. Which of
the following does not contain a nucleus when matured?
A. An ovum
B. A spermatozoan
C. A mammalian
red blood cell
D. A pollen
grain
27. The common
feature of the skin, kidney and the lungs in a mammal is:
A. Loss of
water
B. Removal of nitrogenous waste from the
body
C. Conversion
of heat
D. Re-absorption
of water
28. Neurons
arc most highly specialized for
A. Contractibility
B. Responsiveness
C. Conduction
D. Secretion
29. The part
of the nerve cell that carries impulses to the main body of the nerve — cell is
the
A. Axon
B. Dendrite
C. Nucleus
D. Synapse
30. Blood vessels
whose walls are best adapted for the diffusion of substance are:
A. Arteries
B. Veins
C. Capillaries
D. Lacteals
31. A farm
practice that results in the loss of soil fertility is
A. mixed farming
B. hush fallowing
C. shifting
cultivation
D. continuous
cropping
32. Paternity
disputes can most accurately be resolved through the use of
A. fingerprinting
B. blood group
typing
C. DNA analysis
D. tongue-rolling
33. In a Mendelian
cross of red and white varieties of the four O'clock plant, the F1 generation
expresses incomplete dominance by having flowers which are
A. white
B. red
C. pink
D. multicoloured
34. Identical
twins inherit their genes from
A. different
eggs and sperms
B. the same
egg and sperm
C. two eggs
and a sperm
D. one egg
and two sperms
35. Sex-linked
genes: are located on
A. Y-chromosomes
B. X- and Y-
chromosomes
C. homologous
chromosomes
D. X-chromosome
36. Which of
the following is an example of intraspecific competition?
A. a lizard and an ant-eater chasing an
insect
B. a worker termite and a soldier in a
limited space
C. a hawk and an eagle targeting the same
chicken
D. yam and potato shoots growing out through
the same window
37. Plants
survive hot dry conditions by
A. storing
water in large parenchyma cells
B. producing
numerous leaves
C. having numerous
stomata
D. evergreen
leaves
38. Rodents
gnaw on food with their
A. molar teeth
B. strong jaws
C. flat-ridged
teeth
D. chisel-like
front teeth
39. The spots
and stripes of the Leopard and Tiger are examples of
A. cryptic
colouration
B. warning
colouration
C. disruptive
colouration
D. countershading
40. An evidence
of the relationship between living organisms arid their extinct relatives
can best be
obtained from
A. embryology
B. comparative
anatomy
C. comparative
physiology
D. palaeontology
ANSWERS:
1. A
2. A
3. D
4. C
5. B
6. D
7. B
8. C
9. B
10. C
11. C
12. C
13. B
14. C
15. D
16. B
17. D
18. C
19. B
20. C
21. A
22. C
23. A
24. D
25. B
26. C
27. A
28. B
29. B
30. C
31. D
32. C
33. B
34. B
35. A
36. B
37. A
38. D
39. C
40. B
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