CBSE Class 12 - Biology - Chapter - Genetics (MCQs for AIPMT/NEET) (#cbsenotes)

Genetics 

CBSE Class 12 - Biology - 

(MCQs for AIPMT/NEET)

Q1: Removal of introns and joining the exons in a defined order in a transcription unit is called

(a) Splicing
(b) tailing
(c) transformation
(d) capping


Q2: Klinefelter’s syndrome is indicated by an XXY sex chromosome combination. This abnormality is due to:

(a) gene deletion.
(b) gene duplication.
(c) gene translocation.
(d) non-disjunction.


Q3: Molecular basis of organ differentiation relies on modulation in transcription by

(a) RBA polymerase
(b) ribosome
(c) anticodon
(d) transcription factor

CBSE Class 6 - Maths - CH1 - Knowing Your Numbers (NCERT Ex 1.3) (#cbsenotes)

Knowing Your Numbers 

CBSE Class 6 - Maths - CH1 - NCERT Ex 1.3 Answers

Q1. Estimate each of the following using general rule:
(a) 730 + 998 
(b) 796 – 314 
(c) 12,904 +2,888 
(d) 28,292 – 21,496


Answer:
(a) 730 round off to     700
998 round off to 1000
──────
Estimated sum =  1700
──────

(b) 796 round off to   800
314 round off to 300
──────
Estimated sum = 500
──────

(c) 12904 round off to 13000
2888 round off to   3000
──────
Estimated sum  = 16000
──────

(d) 28292 round off to      28000
21496 round off to  21000
 ──────
      Estimated difference = 7000
 ──────

CBSE Class 12 - Physics - Electrostatic Potential and Capacitance (Short Q and A) (#cbsenotes)

Electrostatic Potential and Capacitance 

CBSE Class 12 - Physics 

(Short Q and A)

Q1: Define Electrostatic Potential.

Answer: The electrostatic potential at a point is defined as amount of work done per unit positive test charge in moving the test charge from infinity to that point against the electrostatic force due to the electric field.
Q4: Is electric potential a scalar quantity or vector quantity?

Q2: Name the physical quantity whose SI unit is Joule coulomb⁻ⁱ?

Answer:  Electric potential


Q3: Does the electric potential increase or decrease along the electric line of force?

Answer: It decreases along the electric line of force.


Q4: Is electric potential a scalar quantity or vector quantity?

Answer: Scalar quantity

CBSE Class 10 - SA2 Science Sample Question Paper (2016-17)(#cbsepapers)

CBSE Class 10 - SA2 Science Sample Question Paper (2016-17)

☛See Solutions here.

CBSE Class 10 - SA2 Hindi(B) Sample Question Paper (2016-17)(#cbsepapers)

CBSE Class 10 - SA2 Hindi(B) Sample Question Paper (2016-17)

CBSE Class 10 - SA2 German Sample Question Paper (2016-17)(#cbsepapers)

CBSE Class 10 - SA2 German Sample Question Paper (2016-17)

CBSE Class 9 - SA2 Mathematics Sample Question Paper (2016-17) (set-2) (#cbsepapers)

CBSE Class 9 - SA2 Mathematics Sample Question Paper (2016-17)