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Paper 1 | Objectives | 60 Questions
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Paper 1 | Objectives
Which if the following organisms is not classified as an animal?
An organism that operates at the cellular level of organization, carries out its physiological activities by using its
A. cell membrane
C. small size
The organelle which eliminates water from the body of a protozoan is the
A. plasma membrane
B. contractile vacuole
D. cell wall
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
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
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
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
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
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
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.
The axial skeleton is composed of the
A. skull and vertebral column
B. limbs and girdles
C. atlas and axis.
D. radius and ulna
The inorganic components of bone consist of
A. magnesium, sodium and calcium
B. magnesium, phosphorus and calcium
C. sodium, phosphorus and calcium,
D. potassium, magnesium and calcium
Preview displays only 12 out of the 60 Questions