Biology is the study of life and living things. It can be divided into different areas that look at the structure, function, anatomy, and behavior of organisms.
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Question 481:
The organism above can be found in
Options:
A) Arid land
B) Secluded environments
C) Aquatic habitation
D) Moist environments
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The correct answer is D .
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Question 482: The urinary tubules of the kidney function through
Options:
A) osmosis and diffusion
B) active transport and osmosis
C) ultrfiltration and selective reabsorption
D) active transport and cytoplasmic streaming
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The correct answer is C .
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Question 483: The structure found only in the plant cells are
Options:
A) cell membrane and cytoplasm
B) chromatin and nucleolus
C) cell wall and chloroplast
D) cell membrane and lysosome
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The correct answer is C .
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Question 484: The correct sequence for the perception of smell in mammals is
Options:
A) chemicals → olfactory nerve endings → brain
B) dissolved chemicals → nasal sensory cell → brain
C) chemicals → mucus membrane → sensory cells→ brain
D) dissolved chemicals → sensory cells → olfactory nerve → brain
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The correct answer is D .
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Question 485: Which of the following is the simplest living organism?
Options:
A) Paramecium
B) Virus
C) Amoeba
D) Chlamydomonas
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The correct answer is B .
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Question 486:
Which of the following is NOT true of wind-pollinated flowers?
Options:
A) A large amount of pollen produced
B) Light smooth pollen grains
C) Small inconspicuous flowers
D) Scented petals
E) Large pendulous anther
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The correct answer is D .
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Question 487: An example of a fruit that develops from a single carpel is
Options:
A) okro
B) tomato
C) bean
D) orange
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The correct answer is C .
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Question 488: A tall plants crossed with a dwarf one produces offspring of which half are tall and half are dwarf. What are the genotypes of the parents?
Options:
A) TT, TT
B) Tt, tt
C) TT, tt
D) Tt, Tt
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The correct answer is B .
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Question 489:
Which of the following structure is associated with aerobic respiration?
Options:
A) 1
B) 2
C) 3
D) 4
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The correct answer is D .
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Question 490: The soil with highest water-retaining capacity is
Options:
A) Clayey Soil
B) Stoney soil
C) Sandy soil
D) Loamy Soil
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The correct answer is A .