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 621: The presence of stilt roots, pneumatophores, sunken stomata and salt glands are adaptive features of plants found in the
Options:
A) tropical rainforest
B) mangrove swamps
C) gressland
D) montane forest
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The correct answer is B .
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Question 622:
Which of the following is a measure for the control of bilharzia?
Options:
A) Cutting low bushes around homes
B) Application of molluscicides in water bodies
C) Screening windows and doors with mosquito nets
D) Application of herbicides in water bodies
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The correct answer is B .
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Question 623:
During mitosis, the stage at which chromosomes lines up around the equator is?
Options:
A) telophase
B) metasphase
C) anaphase
D) prophase
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The correct answer is B .
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Question 624:
Maltose is combination of glucose and
Options:
A) glucose
B) sucrose
C) Galactose
D) fructose
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The correct answer is A .
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Question 625: The role of the male adult honey bee is to
Options:
A) clean the hive
B) ventilates the hive
C) mate with the queen
D) care for the young
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The correct answer is C .
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Question 626: In lower plants like mosses, the structure which performs the functions of roots of higher plants is called
Options:
A) root hairs
B) rootlets
C) hypae
D) rhizoids
E) thalli
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The correct answer is D .
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Question 627: A characteristic that can possibly be shared by both living and non living organisms is
Options:
A) locomotion
B) irritability
C) increase in biomass
D) increase in size
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The correct answer is C .
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Question 628: In million's test, when the reagent is added to a protein food item, a white precipitate is produced which turns
Options:
A) blue on heating
B) yellow on heating
C) green on heating
D) red on heating
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The correct answer is D .
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Question 629: Darwin is considered the first scientist who correctly explained the theory of
Options:
A) special creation
B) spontaneous generation
C) use and disuse
D) organic evolution
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The correct answer is D .
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Question 630:
Which of the following organs can be considered vestigial in humans but functional in other mammals
Options:
A) The liver
B) Appendix
C) Rectum
D) Stomach
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The correct answer is B .