This is a method of sexual reproduction in which individuals of the same species temporarily write and exchange certain. amount of nuclear material and then get separated.

(a)

Syngamy

(b)

Conjugation

(c)

Parthenogenesis

(d)

Paedogenesis

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

The _____ prevents poly spermy.

(a)

vitelline membrane

(b)

fertilization membrane

(c)

zona pellucida

(d)

corona radiata

Observe the diagram and select the correct option denoting the proper sequence of parts.

(a)

A	B	C	D
Isthmus	Fimbriae	Infundibulum	Uterus

(b)

A	B	C	D
Fimbriae	Infundibulum	Uterus	Isthmus

(c)

A	B	C	D
Infundibulum	Uterus	Isthmus	Fimbriae

(d)

A	B	C	D
Fimbriae	Infundibulum	Uterus	Fimbriae

Fatigue, jaundice, fever, rash, stomach pain, liver Cirrhosis and liver failure - are the symptoms of

(a)

Chalmydiasis

(b)

Lynphogvanuloma Veneveum

(c)

Hepatitis

(d)

Syphilis

_____ is a cause of infertility in women.

(a)

varicocoele

(b)

Endometriosis/Uterine fibroids

(c)

well developed ovaries

(d)

hormonal balance

Which of the following phenotypes is not possible in the progeny of the parental genotypic combination I^AI^O x I^AI^B?

(a)

AB

(b)

O

(c)

A

(d)

B

The XX - XY type of sex determination is also known as ________ type.

(a)

Haploid - diploid

(b)

Lygaeus

(c)

Gynandromorphs

(d)

Genic balance

The first codon to be deciphered was ______ which codes for ________.

(a)

AAA, proline

(b)

GGG, alanine

(c)

UUU, Phenylalanine

(d)

TTT, arginine

_______is unique for DNA.

(a)

Adenine

(b)

Uracil

(c)

Guanine

(d)

Thymine

Chromosome __________ has 231 genes only.

(a)

X

(b)

19

(c)

Y

(d)

22

____________ era is called Golden age of reptiles.

(a)

Paleozoic

(b)

Mesozoic

(c)

Precambrian

(d)

Cenozoic

_________Can be confirmed by widal test.

(a)

Tuberculisis

(b)

Cholera

(c)

Typhoid

(d)

Hepatitis

A pair of fungal disease _____________

(a)

Amoebiasis, Kala-azar

(b)

Candidiasis, Athlete's foot

(c)

Ascariasis, Filariasis

(d)

Poliomyelitis, Amoebiasis

Which of the following is not involved in nitrogen fixation?

(a)

Pseudomonas

(b)

Azotobacter

(c)

Anabaena

(d)

Nostac

Stem cells that can differentiate into various types of cells that are related in an organism is called

(a)

Multipotent

(b)

Oligopotent

(c)

Pluripotent

(d)

Unipotent

What type of human population is represented by the following age pyramid?

(a)

Vanishing population

(b)

Stable population

(c)

Declining population

(d)

Expanding population

People who have migrated from the planes to an area adjoining Rohtang Pass about six months back

(a)

Have more RBC's and their haemoglobin has a lower binding affinity to O₂

(b)

Are not physically fit to play games like football

(c)

Suffer from altitude sickness with symptoms like nausea, fatigue, etc.

(d)

Have the usual RBC count but then haemoglobin has very high binding affinity to O₂.

The highest DDT concentration in aquatic food chain shall occur in

(a)

Seagull

(b)

Crab

(c)

Cell

(d)

Phytoplankto

Assertion (A): Pleiotropic gene affects multiIple traits
Reason (R): ABO blood group is an example for Pleiotropism

(a)

A and R are correct R explains A

(b)

A and R are incorrect

(c)

A is correct R is incorrect

(d)

A is incorrect R is correct

Factor hypothesis was proposed by _________

(a)

Reginald Punnett

(b)

W. Bateson

(c)

Gregor Mendel

(d)

Carl Correns

Sharbati Sonara is a mutant wheat variety which is developed by irradiating the seeds with _________

(a)

Thermal neutrons

(b)

Gamma radiation

(c)

X-rays

(d)

UV radiations

A vector should________
(i) contain suitable marker
(ii) contain ori site
(iii) have poly linkess
(iv) be small in size

(a)

i, ii and iii

(b)

ii, iii and iv

(c)

i, ii and iv

(d)

all the above

The term used to define the ability of a cell to generate entire individual is

(a)

Pleuripotent

(b)

Totipotent

(c)

Multipotent

(d)

Unipotent

Ophrys an orchid resembling the female of an insect so as to able to get pollinated is due to phenomenon of ______.

(a)

Myrmecophily

(b)

Ecological equivalents

(c)

Mimicry

(d)

None of these