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Biology 1525 MCQs [All-Courses]

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Biology covers key concepts of life, organisms, and human systems with exam-focused notes for PPSC, FPSC, KPPSC, BPSC.,NTS, OTS, AJKPSC. Clear, concise topics help students prepare effectively for competitive tests.

All Topics  1525

Those organisms which can prepare their own food from simple inorganic material and can store energy are called___________?
A Autotrophs
B Heterotrophs
C Procariotique
D Eu-cariotique
Correct Answer: Autotrophs
The first eukarotes appeared about __________ years ago?
A 1.5 billion
B 2.5 billion
C 3.5 billion
D 4.5 billion
Correct Answer: 1.5 billion
Which of the following category is most general with its members lest resembling with each other than the other categries_____________?
A Species
B Genus
C Family
D Order
Correct Answer: Order
According to Lamarch evolution occurred as the result of__________?
A Natural selection
B The theory of recapitulation
C Inheritance of acquired characters
D Over production
Correct Answer: Inheritance of acquired characters
Allium cepa is the scientific name of______________?
A Onion
B Amaltas
C Potato
D Tomato
Correct Answer: Onion
The one which can break open a plasmid ring is__________?
A Ligase enzyme
B Primase enzyme
C Restriction endonuclease
D ATP-ase enzyme
Correct Answer: Ligase enzyme
Which of the Euglenas (a Protoctista) character resembles that of animals______________?
A They can move
B They lack cell wall
C They do not have chlorophyll
D Both a and b
Correct Answer: Both a and b
Organisms of which of the following kingdom have absorptive mode of nutrition______________?
A Prokaryotae
B Protoctista
C Animalia
D Fungi
Correct Answer: Fungi
Five kingdom classification was proposed by_____________?
A Carlous Linnaeus
B E-Chatton
C Robert Whittaker
D Lynn Margulis and Karlene Schwartz
Correct Answer: Robert Whittaker
The one which is a weed killer is___________?
A IAA
B NAA
C 2 4-D
D GA
Correct Answer: 2 4-D
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