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 771: The cell of an onion bulb can be differentiated from a cheek cell by the presence of
Options:
A) plasmalemma
B) chloroplast
C) cell wall
D) nucleus
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The correct answer is C .
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Question 772: The movement response of a cockroach away from a light source is
Options:
A) negative phototropism
B) positive phototaxism
C) negative phototropism
D) postive phototropism
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The correct answer is A .
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Question 773:
A beaker of pond water containing few specimens of Euglena was placed in a dark room for two weeks. At the end of this period, the specimens of Euglena were still alive because they were
Options:
A) able to carry out holozoic nutrition
B) able to carry out photosynthesis using carbon dioxide in the pond water
C) better adapted to life in darkness than to life in light
D) not overcrowded
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The correct answer is A .
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Question 774:
Only specially adapted micro-organisms are found in
Options:
A) Salty water
B) Humid air
C) Moist soil
D) Mouth cavities
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The correct answer is A .
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Question 775: The rods in the retina of the eyes are examples of
Options:
A) cells
B) tissues
C) organs
D) systems
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The correct answer is A .
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Question 776:
The type of nutrition in which two organisms of different species live together and derive nutrients from each other is
Options:
A) symbiotic nutrition
B) saprophytic nutrition
C) holozoic nutrition
D) holophytic nutrition
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The correct answer is A .
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Question 777:
Which of the following statement is correct about Southern Guinea Savanna in Nigeria
Options:
A) It is the largest of all the biotic community in Nigeria
B) It has plants species like Iroko, Opepe etc
C) It has plants species like Iroko, Opepe etc
D) It has no trees
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The correct answer is A .
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Question 778: Which of the following organisms is both parasitic and autotrophic?
Options:
A) Sundew
B) Lorathus
C) Rhizopus
D) Tapeworm
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The correct answer is A .
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Question 779: During the bending of the arm, the biceps muscles
Options:
A) contracts and the triceps muscles relaxes
B) relaxes and the triceps muscles contracts
C) and the triceps muscles contract
D) and the triceps muscles relax
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The correct answer is A .
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Question 780: Leguminous plants, e.g Mucana, are usually planted in cultivated farmlands because they
Options:
A) enrich the soil with phoshates
B) provide animals with food
C) enrich the soil with organic nitrogen
D) protect the soil from being over-heated
E) protect the micro organisms in the soil
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The correct answer is C .