In each of the following questions there are two statements. One is assertion (A) and other is reasoning (R). Mark the correct answer as
Assertion (A): Offsprings produced by asexual reproduction are genetically identical to the parent.
Reason(R): Asexual reproduction involves only mitosis and no meiosis.
Codes:
A. If both A and R are true and R is correct explanation for A
B. If both A and R are true but R is not the correct explanation for A
C. If A is true but R is false
D. If both A and R are false.

(a)

both A and R are true and R is correct explanation for A

(b)

If both A and R are true but R is not the correct explanation for A

(c)

If A is true but R is false

(d)

If both A and R are false.

Find the wrongly matched pair.

(a)

Bleeding phase- fall in oestrogen and progesterone

(b)

Follicular phase-rise in oestrogen

(c)

Luteal phase - rise in FSH level

(d)

Ovulatory phase - LH surge

Match column I with column II and select the correct option from the codes given below.

Column I	Column II
A. Copper releasing IUD	(i) LNG-20
B. Hormone releasing	(ii) Lippes loop IUD
C. Non medicated IUD	(iii) Saheli
D. Mini pills	(iv) Multiload-375

(a)

A	B	C	D
(iv)	(ii)	(i)	(iii)

(b)

A	B	C	D
(iv)	(i)	(iii)	(ii)

(c)

A	B	C	D
(i)	(iv)	(ii)	(iii)

(d)

A	B	C	D
(iv)	(i)	(ii)	(iii)

Pataus syndrome is also referred to as ______.

(a)

13-Trisomy

(b)

18-Trisormy

(c)

21-Trisormy

(d)

None of these

Meselson and Stahl’s experiment proved

(a)

Transduction

(b)

Transformation

(c)

DNA is the genetic material

(d)

Semi-conservative nature of DNA replication

Which period was called “Age of fishes”?

(a)

Permian

(b)

Triassic

(c)

Devonian

(d)

Ordovician

Cyclosporin – A is an immunosuppressive drug produced from _______

(a)

Aspergillus niger

(b)

Manascus purpureus

(c)

Penicillium notatum

(d)

Trichoderma polysporum

Competition between species leads to

(a)

Extinction

(b)

Mutation

(c)

Amensalism

(d)

Symbiosis

Which of the following forests is known as the lungs of the planet earth?

(a)

Tundra forest

(b)

Rain for forest of north east India

(c)

Taiga forest

(d)

Amazon rain forest

Identify the incorrect pair

(a)

sporopollenin - exine of pollen grain

(b)

tapetum – nutritive tissue for developing microspores

(c)

Nucellus – nutritive tissue for developing embryo

(d)

obturator – directs the pollen tube into micropyle