SS2 3RD TERM QUIZ 10.
The type of placentation found in
tomato fruit is? A. axile. B. basal. C. free central.
1. A flowering plant having both the male D.marginal
and female flowers on the same plant is said to
be? A. Regular. B. Irregular. C. Monoecious. D. 11. The arrangement of ovules attached to
Dioecious the sides of a syncarpous ovary with a single
chamber is referred to as A. free-central
2. When an ovary is placed on the placentation B. axile placentation. C. parietal
receptacle above the other floral parts it is
referred to as. A. half inferior ovary. B. superior 12. Which of the following conditions in
ovary. C. inferior ovary. D. half superior ovary flowering plants enhance self-pollination? A)
Cleistogamy. B) Heterostyly. C) Protandry. D.
3. The male reproductive part of a flower Protogyny
is made up of. A. anther and filament. B. ovary
and ovule. C. ovule and style. D. stigma and 13. Which of the following is an advantage
filament of dispersal of fruits and seeds? It allows A. Fair
distribution of source of food for animals. B.
4. The collective name for the female Growth in close association with parent plant.
parts of the flower is A. Androecium. B. Stigma. C. Even distribution of plants and reduction of
C. Ovary. D. Gynoecium intraspecific competition. D. Keen competition
5. The essential parts of a flower are A. for food
petals and sepals B. anther and filament C. 14. Wind pollinated flowers usually have?
stigma and style D. androecium and gynoecium A. rough pollen grains. B. sticky stigma. C. small
6. If the petals of a flowering plant are & short stigma. D. long styles
removed. Which of the following processes is 15. Which of the statements below is not
likely to be affected? A. Transpiration. B. characteristic of wind-pollinated flowers? A.
Pollination. C. Germination. D. Photosynthesis Stigmas are usually large and feathery. B.
7. Which of the following conditions in Nectary is usually absent. C. The pollen grains
flowering plants enhance self pollination? A. have rough spiny surfaces. D. The flowers are
Cleistogamy. B. Heterostyly C. Protandry D. not scented.
Protogyny 16. Which of the following is not an
8. Placentation of plants is best described example of entomophilous flowers ?A. Hibiscus.
as the A. arrangement of ovule in the ovary B. Flamboyant. C. Guinea grass. D. AlIamanda
B.arrangement of fruits on the branches. C. 17. Germination which results in the
development of ovules in the ovary. D. cotyledons being brought above ground is
formation of the pericarp from the ovary wall called? A. hypocotyl. B. epicotyl. C. epigeal. D.
9. Coconut and oil palm fruits can be hypogeal
grouped as A. berry. B. legume. C. capsule. D. 18. Water is necessary for a germinating
drupe seed because it. A. promotes aerobic
respiration. B. activate the enzymes. C. wets the 25. Which of the following factors is not
soil for proper germination. D. protects the associated with aquatic habitats?A. Salinity B.
seed from desiccation Turbidity C. Temperature. D. Edaphic
19. A dry fruit which can break into several 26. Which of the following is not classified
parts each containing one seed is a A. Capsule as a terrestrial habitat? A. Forest. B. Guinea
B. aggregrate fruit. C. legume D. schizocarp Savannah. C. Desert D. Littoral zone
20. The following are examples of a true 27. Which of the following factors is LEAST
fruit, EXCEPT. A. mango. B. oil palm. C. orange. likely to affect the animals living in a fresh water
D. pineapple habitat? A. Turbidity. B. Temperature. C. PH. D.
Salinity
21. A fruit formed from a single flower
having several free carpels is ? A. a multiple 28. Which of the following best describes a
fruit. B. a dry dehiscent fruit. C. a dry marine habitat? A large body of water …. A.
indehiscent fruit. D. an aggregate fruit which has no distinctive colour or taste. B. with
high concentration of salt. C. with tittle
22. Hypogeal germination is characterized suspended materials. D. with no water weeds
by the. A. emergence of the plumule out of the 29. Which of these factors are common to
ground. B. provision of nourishment by the both aquatic and terrestrial habitats? A) Light,
endosperm. C. elongation of the hypocotyl. D. rainfall and turbidity. B). Light, temperature and
elongation of the epicotyl tide. C) Light, rainfall and temperature. D)
23. Which of the following is not classified Rainfall, turbidity and salinity
as a terrestrial habitat? A. Forest. B. Guinea 30. Organisms living in an estuarine habitat
Savannah. C. Desert D. Littoral zone are adapted to. A. withstand wide fluctuations
24. Puddles, ponds, rivers, lakes, seas and in temperature. B. survive only in water with
ocean are grouped together as. A. ecosystem. B. low salinity. C. withstand wide fluctuations in
terrestrial habitat. C. marine habitat. D. aquatic salinity. D. feed only on phytoplankton and
habitat dead organic matter
