Biology Mcqs

Test cross is used to find_____________?

• (A)  Trait
• (B)  Phenotype
• (C)  Genotype
• (D)  Ratios

Answer

Submitted By :Ali Uppal

An example of codominance is______________?

• (A)  A’ blood group
• (B)  B’ blood group
• (C)  O’ blood group
• (D)  AB’ blood group

Answer

Submitted By :Ali Uppal

On which of the following component of chloroplast chlorophyll is arranged?

• (A)  Cell membrane
• (B)  Matrix
• (C)  Thylakoids
• (D)  Stroma

Answer

Submitted By :Ali Uppal

XO-XX pattern of sex determination is present in______________?

• (A)  Grasshopper
• (B)  Butterfly
• (C)  Drosophila
• (D)  Man

Answer

Submitted By :Ali Uppal

The stent energy in the form of ADP is regenerated by mitochondria into__________?

• (A)  AMP
• (B)  ADP
• (C)  ATP
• (D)  All of these

Answer

Submitted By :Ali Uppal

Yellowish glandular structure which produces progesterone is_____________?

• (A)  Graffian follicle
• (B)  Ovary
• (C)  Corpus luteum
• (D)  Placenta

Answer

Submitted By :Ali Uppal

Secretin inhibits production of__________________?

• (A)  Gastric juice
• (B)  Pancreatic juice
• (C)  Bile
• (D)  All of these

Answer

Submitted By :Ali Uppal

Which of the following is not present in mitochondria?

• (A)  Enzymes
• (B)  Co-enzymes
• (C)  Ribosomes
• (D)  Thylakoids

Answer

Submitted By :Ali Uppal

Far-red light promotes flowering in_______________?

• (A)  Short day plant
• (B)  Long day plant
• (C)  Day neutral plant
• (D)  None of these

Answer

Submitted By :Ali Uppal

Purines and pyrimidines are in equal ration in DNA. It was indicated by_______________?

• (A)  F.Miescher
• (B)  Chargaff
• (C)  Watson & Crick
• (D)  Harshay & Chase

Answer

Submitted By :Ali Uppal