New Biology Mid term test for JSS3

Leave a Comment / By / October 24, 2023

Welcome to your New Biology Mid term test for JSS3

(1) The scientific study of heredity is called __

(2) The basic unit of inheritance is referred to as ___

(3) Another name for character is known as __

(4) Thread or rod-like bodies found in the nucleus of a cell is called ___

(5) Another name for sex-cell is ____

(6) The transmission and complete expression of characters in organisms from parents to the offspring is called ___

(7) The global decrease in forest areas is called ____

(8) An event that tends to threaten the surrounding natural environment adversely is called ___

(9) The washing away of soil surface by either wind or running water is called ___

(10) The removal of natural vegetation cover that protects the soil surface using fire is called ___

(11) _____ is another name for biological hazard

(12) ____&____ are the types of environmental hazards

(13) A trait or gene is said to be _____ when it is fully expressed in the presence of another gene that is suppressed

(14) The physical and observable appearance of an offspring describes ____

(15)____ and ____ are the two types of gene.

Instruction: Answer two out of the three questions from this section

(1a) Differentiate between dorminant and recessive gene. (1b) Differentiate between haploid and diploid

(2a) Do a cross-match test for two parents whose genes are "AS" and "AS" . (2b) Interpret the result in 2a above.

(3) State two causes of desertification. (2b) List the types of environmental hazards.

Leave a Reply

Your email address will not be published. Required fields are marked *