NABTEB

Describe an experiment to demonstrate Osmosis using a named living material. – NABTEB QUESTION

A named living material – egg membrane, urinary bladder, base of pawpaw petiole, yam cup, pawpaw fruit, yam strip, yam…

5 years ago

Define the term ‘Osmosis’. – NABTEB QUESTION

Osmosis is the movement of water molecules, from their area of higher concentration, to their area of lower concentration through…

5 years ago

State FOUR physical characteristics in man which show variation among offspring from the same parents. – NABTEB QUESTION

i. Tallness, shortness, dark complexion, light complexion ii. Hairy body, baldness, flat nose, pointed nose, thick lips iii. Gigantism, dwarfism,…

5 years ago

Explain briefly ONE way in which the characteristics for tallness is passed from parent to offspring. – NABTEB QUESTION

1. The alleles for tallness can be homozygous or heterozygous as TT or Tt 2. During gametes formation the genes…

5 years ago

How is the sex of a human embryo determined at fertilization: – NABTEB QUESTION

i. The male produces two different types of gametes – Y and X ii. The female produces only one type…

5 years ago

What aid would you give to a person with a suspected simple fracture of the tibia. – NABTEB QUESTION

i. Encourage the person to lie on his back ii. Put a splint on either side of the leg. iii.…

5 years ago

State FIVE functions of the skeleton. – NABTEB QUESTIONS

1. Give shape/form to the body 2. support sort and other parts of the body 3. protect delicate organs and…

5 years ago

Name the two reagents used in testing for protein. – NABTEB QUESTION

1. Million’s reagent 2. Biuret’s reagent 3. Folin’s reagent 4. Xanthoproteic reagent.

5 years ago

State the mechanism involved in the digestion of piece of fish in the stomach and in the small intestine. NABTEB QUESTION

1. Churning/turning/mixing by the stomach wall. 2. Addition of water, enzymes and dilute HCL/Gastric Juice. 3. Relaxation and contraction of…

5 years ago

State THREE differences between parasitic and saprophytic modes of feeding. – NABTEB QUESTION

Parasitic  Saprophytic Food drawn from living organisms (Hosts) Food taken from dead organisms (Substrates) Absorbs already digested food or undigested…

5 years ago