Biology Past Questions and Answers

Kwashiorkor is caused by severe deficiency of

A Water
B Oil
C Drugs
D Proteins
E Sugars

Question 7:

An hormoiothermic animal kept in a room where the temperature is lower than the body temperature may lose heat by four physical process. Which of the following processes is NOT connected with the body temperature regulation ?

A Radiation
B Sweat
C Evaporation
D Conduction
E Convection

Question 8:

Which of these food chains is NOT possible in a forest?

A Diatom â†’ fly â†’ toad â†’ snake
B Fly → toad → snake→ hawk
C Leaves â†’ antelope â†’ man â†’ lion
D Leaves â†’ caterpillar â†’ bird â†’ lion
E Leaves â†’goat â†’ manâ†’ lion

Question 9:

If a tall man (TT) maries a dwarf woman (gg) and they have four male children, the offspring will be

A All short
B Three short and one tall
C Two short and two tall
D One short and three tall
E All tall

Question 10:

A married couple has 10 children and they are all girls. Which of the following is the CORRECT explanation?

A The woman is incapable of producing male children
B The man’s sperms are very weak
C The man is not athletic enough
D The Y component of the men’s sex chromosomes was always involved
E The X component of the man’s sex chromosomes was always involved