Biology - Study Mode

[#81] Different forms of genes are called
Correct Answer

(B) Allele

Explanation

Solution: An allele is a variant form of a gene. Some genes have a variety of different forms, which are located at the same position, or genetic locus, on a chromosome.

[#82] Fruitfly has
Correct Answer

(C) 8 chromosomes

Explanation

Solution: Fruitfly has 8 chromosomes.

[#83] Which nitrogenous base is not found in dna?
Correct Answer

(A) Uracil

Explanation

Solution: Uracil is present in RNA and binds to adenine whereas thymine is present in DNA and binds to adenine.

[#84] Gregor Johann Mendel worked on
Correct Answer

(C) Garden pea

Explanation

Solution: Gregor Johann Mendel worked on Garden pea.

[#85] Saliva secreted from mouth digest
Correct Answer

(B) Starch

Explanation

Solution: Saliva contains special enzymes that help digest the starches in your food. An enzyme called amylase breaks down starches (complex carbohydrates) into sugars, which your body can more easily absorb. Saliva also contains an enzyme called lingual lipase, which breaks down fats.