Match List - I with List - II. Choose the correct answer from the options given below:

List I  List II

P. Ribosome  (i) Replication

Q. Histone  (ii) Transcription

R. DNA polymerase  (iii) Translation

S. RNA polymerase  (iv) Nucleosome

• (A) P − (i), Q − (ii), R − (iii), S − (iv)
• (B) P − (ii), Q − (i), R − (iii), S − (iv)
• (C) P − (i), Q − (ii), R − (iv), S − (iii)
• (D) P − (iii), Q − (iv), R − (i), S − (ii)

Identify the statements true for RNA.

(i) RNA acts as a genetic material for some viruses.

(ii) RNA also functions as an adapter molecule.

(iii) RNA has hexose sugar as its backbone.

(iv) RNA also acts as catalyst in some cases.

• (A) (i), (ii) and (iii) only
• (B) (i), (ii) and (iv) only
• (C) (ii), (iii) and (iv) only
• (D) (i), (iii) and (iv) only

Which of the following is not a Mendelian Disorder?

• (A) Haemophilia
• (B) Sickle-cell anaemia
• (C) Down's Syndrome
• (D) Phenylketonuria

Arrange Griffith’s experiment in correct sequence.


(i) S strain injected → mice died

(ii) Heat-killed S strain → mice lived

(iii) R strain injected → mice lived

(iv) Heat-killed S + R strain → mice died

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

Match List - I with List - II (Contraception).

List I List II

P. Lippes loop  (i) Barrier

Q. Vaults  (ii) Hormone releasing device

R. Periodic abstinence  (iii) Non-medicated IUDs

S. Progestasert  (iv) Natural method

• (A) P-(i), Q-(iii), R-(iv), S-(ii)
• (B) P-(iii), Q-(ii), R-(iv), S-(i)
• (C) P-(iii), Q-(i), R-(iv), S-(ii)
• (D) P-(iii), Q-(i), R-(ii), S-(iv)

Arrange the following stages of development of a dicot embryo in the order of their occurrence:

(i) Formation of heart shaped embryo

(ii) Formation of typical dicot embryo

(iii) Formation of zygote

(iv) Formation of globular embryo

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

Ribozyme is:

• (A) 23S rRNA
• (B) 28S rRNA
• (C) 18S rRNA
• (D) 5.8S rRNA

Match List - I with List - II.

P. Polyembryony  (i) Apple

Q. Parthenocarpy  (ii) Female gametophyte

R. False Fruit  (iii) Orange

S. Embryo Sac  (iv) Banana

• (A) P-(iii), Q-(i), R-(ii), S-(iv)
• (B) P-(iii), Q-(iv), R-(i), S-(ii)
• (C) P-(i), Q-(iv), R-(iii), S-(ii)
• (D) P-(iii), Q-(iv), R-(ii), S-(i)

Select correct statements regarding menstrual cycle in human female:

(i) First menstruation begins at puberty and is called menopause.

(ii) Ovulation occurs around day 14 when progesterone is maximum.

(iii) In absence of fertilisation, corpus luteum degenerates causing menstruation.

(iv) Menstrual cycle ceases around 50 years of age.

• (A) (i) and (ii) only
• (B) (ii) and (iv) only
• (C) (i) and (iii) only
• (D) (iii) and (iv) only

In DNA N-glycosidic linkage is present between:

• (A) Pentose sugar and phosphate group
• (B) Nitrogenous base and pentose sugar
• (C) Two nitrogenous bases
• (D) Two pentose sugars