Download App

STD 12 - 10. biotechnology and its application — Biology STD 12 Science — Question

CBSE BoardEnglish MediumSTD 12 ScienceBiologySTD 12 - 10. biotechnology and its application1 Mark
MCQ
In $RNAi$, genes are silenced using
  • A
    ds $DNA$
  • ✓
    ds $RNA$
  • C
    $SSDNA$
  • D
    ss $RNA$
✓

Answer

Correct option: B.
ds $RNA$
b
$A$ nematode Meloidegyne incognitia infects the roots of tobacco plants, which reduces the production of tobacco. It can be prevented by using $RNA$ interference $(RNAi)$ process, which is checked by the silencing of specific $mRNA$ due to a complementary $dsRNA$. $dsRNA$ binds and prevents the translation of the $mRNA$ (silencing)

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

More "M.C.Q (1 Marks)" from STD 12 - 10. biotechnology and its application→STD 12 - 10. biotechnology and its application — all question types→Biology STD 12 Science question papers→CBSE Board STD 12 Science question papers→CBSE Board question paper generator→

Similar questions

Match List $- I$ with List $- II.$

List $- I$ List $- II$
$(a)$ Filariasis $(i)$ Haemophilus influenzae
$(b)$ Amoebiasis $(ii)$ Trichophyton
$(c)$ Pneumonia $(iii)$ Wuchereria bancrofti
$(d)$ Ringworm $(iv)$ Entamoeba histolytica

Choose the correct answer from the options given below.

$(a)- (b)- (c) -(d)$

→
Sexual reproduction leads to
→
Reserpine is obtained from
→
In girl, the first menstruation begins at puberty and is called .....
→
What is it that forms the basis of $DNA$ fingerprinting ?
→
Cleavage starts after fertilization in.
→
Enzyme that is used in $PCR$ technology is
→
An example of ex situ conservation is
→
The main sources of biofertilisers are

$(a)$ Bacteria
$(b)$ Cyanobacteria
$(c)$ Fungi
$(d)$ Protists

→
When an individual is having both the alleles of a contrasting character, it is said to be
→