Biology Mcqs

Non polar organic molecules are ___________ in water?

• (A)  Soluble
• (B)  Insoluble
• (C)  Partially soluble
• (D)  Depends upon condition

Answer

Submitted By :Ali Uppal

The survival of an animal depends upon its ability to take some from its environment____________?

• (A)  Chemicals
• (B)  Hydrocarbons
• (C)  Organic molecules
• (D)  Inorganic molecules

Answer

Submitted By :Ali Uppal

The sequence of 3 bases on tRNA which is complementary to condon of mRNA is called____________?

• (A)  Gene
• (B)  Anticodon
• (C)  Code
• (D)  Codon

Answer

Submitted By :Ali Uppal

Carbon commonly combines with______________?

• (A)  H
• (B)  N & O
• (C)  P & S
• (D)  All of these

Answer

Submitted By :Ali Uppal

Triglyceride is also known as_____________?

• (A)  Natural lipid
• (B)  Neutral lipid
• (C)  Neutral wax
• (D)  All of these

Answer

Submitted By :Ali Uppal

Which statement correctly describes the transcription of DNA?

• (A)  It produces another DNA molecule
• (B)  It produces mRNA
• (C)  It is a semi conservation process
• (D)  It occurs at surface of ribosomes

Answer

Submitted By :Ali Uppal

The one which is a weed killer is___________?

• (A)  IAA
• (B)  NAA
• (C)  2 4-D
• (D)  GA

Answer

Submitted By :Ali Uppal

The discease in which transmembrane carrier for the chloride ion is not produced is__________?

• (A)  Hyperchloesterolemia
• (B)  Cystic fibrosis
• (C)  Severe combined immunodeficiency syndrome
• (D)  AIDS

Answer

Submitted By :Ali Uppal

There are mainly __________ types of tRNA?

• (A)  170
• (B)  20
• (C)  25
• (D)  15

Answer

Submitted By :Ali Uppal

Which conjegated molecules play important role in gene expression___________?

• (A)  Glycolipids
• (B)  Glycoproteins
• (C)  Nucleohistones
• (D)  None of these

Answer

Submitted By :Ali Uppal