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 551: The small masses of nervous tissues in which many neurones have their nuclei are called
Options:
A) dorsal roots
B) ventral roots
C) ganglia
D) synapses
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The correct answer is C .
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Question 552: Which of these is not a characteristics of a wind pollinated flowers?
Options:
A) A smaller quantities of sticky pollen produce
B) Feathery styles of stigmas pendulously hang outrside the flower
C) small inconspicuous scentless flower
D) large anthers which are loosley attched to the filament
E) Light pollen grains produced in large quantities from the anthers
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The correct answer is A .
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Question 553:
An example of a plant having the placentation shown is
Options:
A) allamander
B) hibiscus
C) water lily
D) pride of Barbados
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The correct answer is D .
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Question 554:
Use the list of biomes below to answer the question below
1. Desert 2. Rain forest 3. Southern Guinea savannah 4. Northern Guinea savannah
A biome where there are many cacti and the small mammals undergo aestivation for long periods is
Options:
A) 1
B) 2
C) 3
D) 4
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The correct answer is A .
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Question 555:
Which of the following is an example of an adaptation for survival in social insects?
Options:
A) Migration to warmer climates
B) Production of venom for defense
C) Formation of complex caste systems
D) Hibernation during winter months
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The correct answer is C .
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Question 556:
The internal structure of a leaf that has larger air space is?
Options:
A) palisade mesophyll
B) epidermis
C) spongy mesophyll
D) vascular bundles
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The correct answer is C .
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Question 557: The endoplast cells found in hydra are used for
Options:
A) reproduction
B) offence and defence
C) locomotion and nutrition
D) food collection
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The correct answer is A .
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Question 558: Which of the following plant hormone is responsible for ripening of fruits?
Options:
A) Gibberellins
B) Abscisic acid
C) Ethylene
D) Cytokinins
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The correct answer is C .
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Question 559: The plants that grow in deserts or very dry areas are referred to as
Options:
A) mesophytes
B) hydrophytes
C) epiphytes
D) xerophytes
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The correct answer is D .
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Question 560: The speed of wind can be measured with an instrument called
Options:
A) hygrometer
B) secchi disc
C) anemometer
D) wind vane
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The correct answer is C .