Which one of the following statements in not
correct?
(1) In potato, banana and ginger, the plantlets arise
from the internodes present in the modified stem.
(2) Water hyacinth, growing in the standing water,
drains oxygen from water that leads to the death
of fishes.
(3) Offspring produced by the asexual reproduction
are called clone
(4) Microscopic, motile asexual reproductive
structures are called zoospores.

The part of nephron involved in active reabsorption
of sodium is :-
(1) Bowman's capsule
(2) Descending limb of Henle's loop
(3) Distal convoluted tubule
(4) Proximal convoluted tubule

Which of the following is hormone releasing IUD ?
(1) Lippes loop
(2) Cu7
(3) LNG-20
(4) Multiload 375

Which of the following is incorrect regarding
vasectomy ?
(1) Vasa deferentia is cut and tied
(2) Irreversible sterility
(3) No sperm occurs in seminal fluid
(4) No sperm occurs in epididymis

Embryo with more than 16 blastomeres formed due
to in vitro fretilization is transferred into :-
(1) Fimbriae
(2) Cervix
(3) Uterus
(4) Fallopian tube

Which of the following depicts the correct pathway
of transport of sperms ?
(1) Rete testis ``\rightarrow`` Vas deferens ``\rightarrow`` Efferent ductules
``\rightarrow`` Epididymis
(2) Efferent ductules ``\rightarrow`` Rete testis ``\rightarrow`` Vas deferens
``\rightarrow`` Epididymis
(3) Rete testis ``\rightarrow`` Efferent ductules ``\rightarrow`` Epididymis ``\rightarrow``
Vas deferens
(4) Rete testis ``\rightarrow`` Epididymis ``\rightarrow`` Efferent ductules
``\rightarrow`` Vas deferens

Match Column-I with Column-II and select the
correct option using the codes given below :-
Column I Column II
a Mons pubis i Embryo formation
b Antrum ii Sperm
c Trophectoderm iii Female external
genitalia
d Nebenkern iv Graafian follicle
Codes :
a b c d
(1) iii i iv ii
(2) i iv iii ii
(3)iii iv ii i
(4)iii iv i ii

Several hormones like hCG, hPL, estrogen,
progesterone are produced by :-
(1) Fallopian tube
(2) Pituitary
(3) Ovary
(4) Placenta

If a colour-blind man marries a woman who is
homozygous for normal colour vision, the
probability of their son being colour-blind is :-
(1) 0.75
(2) 1
(3) 0
(4) 0.5

Genetic drift operates in :-
(1) Non-reproductive population
(2) Slow reproductive population
(3) Small isolated population
(4) Large isolated population

In Hardy-Weinberg equation, the frequency of
heterozygous individual is represented by :-
(1) pq
(2)`` q^2 ``
(3) ``p^2``
(4) 2pq

The chronological order of human evolution from
early to the recent is :-
(1) Ramapithecus ``\rightarrow`` Homo habilis ``\rightarrow``
Australopithecus ``\rightarrow`` Homo erectus
(2) Australopithecus ``\rightarrow`` Homo habilis ``\rightarrow``
Ramapithecus ``\rightarrow`` Homo erectus
(3) Australopithecus ``\rightarrow`` Ramapithecus ``\rightarrow``
Homo habits ``\rightarrow`` Homo erectus
(4) Ramapithecus ``\rightarrow`` Australopithecus ``\rightarrow``
Homo habilis ``\rightarrow`` Homo erectus

Which of the following is the correct sequence of
events in the origin of life ?
I. Formation of protobionts
II. Synthesis of organic monomers
III. Synthesis of organic polymers
IV. Formation of DNA-based genetic systems
(1) II, III, I, IV
(2) II, III, IV, I
(3) I, II, III, IV
(4) I, III, II, IV

A molecule that can act as a genetic material must
fulfill the traits given below, except :-
(1) It should be unstable structurally and chemically
(2) It should provide the scope for slow changes that
are required for evolution
(3) It should be able to express itself in the form of
'Mendelian characters'
(4) It should be able to generate its replica

DNA-dependent RNA polymerase catalyzes
transcription on one strand of the DNA which is
called the :-
(1) Alpha strand
(2) Antistrand
(3) Template strand
(4) Coding strand