481. Okazaki fragments are synthesised on

A Leading strands of DNA only
B Lagging strands of DNA only
C Both leading and lagging strands of DNA
D Complementary DNA
Answer :   Lagging strands of DNA only
Discuss Question

482. Which of the following is a main source of cellular membrane

A Endoplasmic reticulum
B Golgi body
C Mitochondria
D Nucleus
Answer :   Endoplasmic reticulum
Discuss Question

483. Nucleic acids are made up of

A Amino acids
B Pentose sugars
C Nucleosides
D Nucleotides
Answer :   Nucleotides
Discuss Question

484. Which of the following subtances are stored in Aleuropladt

A Starch
B Oil and Lipids
C Proteins
D Water and Oil
Answer :   Proteins
Discuss Question

485. Who propounded the theory one gene one enzyme one chemical reaction

A Watson & Crick
B Greorge Beadle ad Edward Tatum
C Abraham Trembley
D T.H. Morgan
Answer :   Greorge Beadle ad Edward Tatum
Discuss Question

486. Which of the following nucleic acids is present in an organism having 7°S ribosomes only?

A Double stranded circular DNA with histone proteins
B Single stranded DNA with protein coat
C Double stranded circular naked DNA
D Double stranded DNA enclosed in nuclear membrane
Answer :   Double stranded circular naked DNA
Discuss Question

487. Code in RNA corresponding to AGCT in DNA

A TACA
B UCGA
C TCGA
D AGUC
Answer :   UCGA
Discuss Question

488. The globular proteins undergo structural changes, in response to extremes of pH or temperature, are called

A Renaturation
B Denaturation
C Combination
D Both A and B
Answer :   Denaturation
Discuss Question

489. Resins are

A Cell wall degradation products
B Alkaloids
C Glycosidic derivative
D Oxidation products of essential oils
Answer :   Oxidation products of essential oils
Discuss Question

490. A bivalent consists of

A two chromatids and one centromere
B two chromatids and two centromeres
C four chromatids and two centromeres
D four chromatids and four centromeres
Answer :   four chromatids and two centromeres
Discuss Question


Practice More MCQ Question on Biology Section