1
Which if the following organisms is not classified as an animal?
A Amoeba
B Paramecium
C Euglena
D Obelia
↪ Answer
Correct Option: C
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2
An organism that operates at the cellular level of organization, carries out its physiological activities by
using its
A cell membrane
B organelles
C small size
D cytoplasm
↪ Answer
Correct Option: B
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3
The organelle which eliminates water from the body of a protozoan is the
A plasma membrane
B contractile vacuole
C nucleus
D cell wall
↪ Answer
Correct Option: B
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4
Which of the following cell types has the least number of mitochondria?
A Cardiac cells of the heart
B Cells of the cornified layer
C Muscle cells of the bladder
D Muscle cells of the diaphragm
↪ Answer
Correct Option: B
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5
A typical plant cell is mainly distinguished from an animal cell by the possession of
A chloroplast and nucleus
B cell wall and cytoplasm
C chloroplast and cell wall
D cell wall and mitochondrion
↪ Answer
Correct Option: C
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6
Which of the following characteristics do fungi share in common with animals?
A Presence of digestive tract
B Movement from one place to another
C Storage of carbohydrates as glycogen
D Movement of centrioles during cell division
↪ Answer
Correct Option: C
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7
Which of the following processes involves diffusion?
A Opening and closing of stomatal pores
B Turgidity of herbaceous plants
C Absorption of water through the root hairs
D Absorption of digested food into the villi
↪ Answer
Correct Option: D
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8
The mechanism of opening and closing of stomata in plants is based on
A turgidity and diffusion
B turgidity and flaccidity
C osmosis and diffusion
D diffusion and flaccidity
↪ Answer
Correct Option: B
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9
In cellular respiration energy is made available to organisms by
A removal of a phosphate group from ADR
B breaking off a phosphate group from ATP
C adding a phosphate group to glucose
D breaking off a hydrogen ion from NADPH
↪ Answer
Correct Option: B
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10
Excretion in Paramecium sp. is by diffusion because
A its habitat is water and moist places
B it has simple, small and few internal organs
C it has a large surface area to volume ratio.
D it has a large efficient meganucleus.
↪ Answer
Correct Option: C
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