Download App

STD 12 - 5. molecular basis of inheritance — NEET STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceNEETSTD 12 - 5. molecular basis of inheritance4 Marks
MCQ
Watson and Crick are known for their discovery that $DNA$
  • A
    Is a single stranded helix
  • B
    Contains deoxyribose only
  • ✓
    Is a double stranded helix
  • D
    Synthesizes $rRNA$
✓

Answer

Correct option: C.
Is a double stranded helix
c
(c)According to Watson-Crick model, the $DNA$ molecule consists of two long, parallel chains which are spirally coiled around a common axis in a regular manner to form a double helix.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

NEET STD 11 Science question papers→Gujarat Board STD 11 Science question papers→Gujarat Board question paper generator→

Similar questions

Thallophyta includes
→
Dark reaction of photosynthesis is called so because
→
Growth is a
→
The suffix-phyta indicates
→
Which of the following is a wrong statement about Golgi apparatus?
i. Camillo Golgi (1898) first observed densely stained reticular structures near the nucleus.
ii. The Golgi cisternae are concentrically arranged near the nucleus with distinct convex cis or the forming face and concave trans or the maturing face.
iii. The Golgi apparatus principally performs the function of packaging materials.
iv. Materials to be packaged in the form of vesicles from the ER fuse with the trans face of the Golgi apparatus and move towards the forming face.
v. A number of proteins synthesised by ribosomes on the endoplasmic reticulum are modified by Golgi apparatus.
vi. Golgi apparatus is the important site of formation of proteins and lipids.
→
Lenticels are found in
→
It is not an effect of auxin
→
The blood concentration of glucose in a normal healthy individuals is ...$A$... while that of hormones would be ...$B$... Fill in the blanks with correct options
→
Human population growth curve of today is
→
Select the correct statement
→