a Mhat does the female reproductive organ of a flower consists of?
35. How does the process of fertilization occur?
A when conditions of the organisms are right, the sperm and egg cells unite.
B. Microorganisms transfer genetic material to another through direct contact.
C. When pollen grains from the female part of the flower are transferred to the male
D. When a new individual organism is produced form a single parent.
36 A plant needs water, radiant energy, minerals, oxygen and carbon dioxide to live.
C. Petals and Sepals
D. Filament and Anther
A Stamen & filament
B Stigma, Style and Overy
part of another flower only.
A Minerals
B. climate
How are these requirements needed by plants categorized?
C. abiotic components
D. biotic components
37. in an ecosystem, water is depleted. How will this affect the living organisms in the
area?
A Photosynthesis in plants & internal biological processes in animals will be
disrupted
B. The ecosystem will grow and nourishment of life will be at its highest level
C. Only the abiotic factors will be affected in this scenario
D. Only the biotic factors will be affected in the ecosystem
38. Which among the following is not a biotic component of an ecosystem?
A. Eagle B. grass
C. frog
D. Sunlight
39. What is the importance of carbon dioxide to living things?
A it is a pure substance
B. it is abundant in the environment
C. it is used by plants in producing sugar and starch
D. it is given off by plants when they break down food
40. Which of the following are needed in setting up an aquarium as a mini ecosystem?
A Water and fish only
B. Sand, soil, water and light only
C. Populations of snails, frogs and plants only
D. Communities of different species of organisms, water, sand, soil and sunlight
41. What do we call a feeding relationship wherein one organism hunts and the other
one is hunted?
A. Commensalism
C. Mutualism
B. Decomposition
D. Predation
C.+,-
42. Which symbols best describe mutualism?
A. +.0
B. +,+
D.-,0
43. When an animal that feeds on another animal that has been killed is known as
?
A Decomposer
C. Prey
B. Parasite
D. Scavenger​