ABU Biology 2013/2014 Past Questions

Practice each question, then open it to see the full details.

Which of the following organelles is used for locomotion in Paramecium?

A.Pseudopodium
B.irichocyst
C.cilium
D.pellicle
E.contractile vacuole

Which of the following is not true of the nucleus of a living cell? it contains

A.Chromosomes
B.nucleus
C.nucleoplasm
D.chromatids
E.ribosomes

The cell membranes consist of

A.carbohydrate and lipids
B.vitamins and protein
C.lipids and proteins
D.water and sugar
E.starch and cellulose

Which of the following is not likely to be in the cell of RIPE TOMATO FRUIT?

A.plastids
B.chlorophyll
C.cellulose cell wall
D.mitochondrion
E.mineral salts

Osmosis can be defined as diffusion of

A.atoms and molecules through a membrane to an area of higher concentration
B.water molecules for a dilute solution to a concentrated solution across a permeable membrane
C.water molecules from a area of high concentration to an area of low concentration
D.water molecules from a dilute solution to a concentrated solution through a semi-permeable membrane
E.perspiration and excretion

The movement of diaphragm is a characteristic of gaseous exchange in

A.insect
B.fish
C.toad
D.mammal
E.plants

In cellular respiration, energy is stored in the form of

A.Adenosine di phosphate(ADP)
B.Adenosine momo phosphate(AMP)
C.Adenosine tri phosphate(ATP)
D.heat energy
E.electrical energy

The medium in which dissolved nutrient are transported in the body of vertebrates is called

A.latex
B.urine
C.cell sap
D.blood
E.heamoglobin

Which of the following structures of the leaf contains air?

A.guard cell
B.palsade layer
C.intercellular space
D.vascular bundle
E.upper epidermis

Which of the following organs is specially adapted for gaseous exchange in aquatic organism?

A.lungs
B.trachea
C.gills
D.tracheoles
E.alveoli