Bees are of great importance to the farmer because they
provide him with honey
pollinate flowers
sting crop pests to death
destroy flowers by sucking nectar from them
Correct answer is B
No explanation has been provided for this answer.
What name is given to a sudden change in a gene or chromosome?
Allele
Genotype
Mutation
Phenotype
Correct answer is C
No explanation has been provided for this answer.
2 in 2
1 in 3
1 in 4
1 in 5
Correct answer is C
No explanation has been provided for this answer.
1 black : 1 grey : 2 whites
1 black : 3 whites
1 black : 2 blues : 1 white
3 blacks : 1 white
Correct answer is D
No explanation has been provided for this answer.
In the structure of DNA, which of the following statements is true?
The double helix are held together by covalent bonds
Nucleotide is made up of ribose, phosphate and an organic nitrogen compound
Guanine is the opposite of cytosine
Adenine is the opposite of cytosine
Correct answer is C
No explanation has been provided for this answer.