The mode of sexual reproduction in bacteria is by ______.

(a)

Formation of gametes

(b)

Endospore formation

(c)

Conjugation

(d)

Zoospore formation

Multiple fission is seen in _______

(a)

Vorticella and ceratium

(b)

Plasmodium and paramecium

(c)

Amoeba and cyanobacteria

(d)

Vorticella and plasmodium

Paramecium and planaria show _____ types of division during asexual reproduction

(a)

Transverse binary fission

(b)

Longitudinal binary fission

(c)

Simple binary fission

(d)

Oblique binary fission

______ refers to the fusion of small sized, morphologically different gametes.

(a)

Isogamy

(b)

Hologamy

(c)

Paedogamy

(d)

Merogamy

Which among the following animal is not a continuous breeder?

(a)

Hen

(b)

Rabbit

(c)

Honey bees

(d)

Frogs

The glandular accessory organ which produces the largest proportion of semen is ______.

(a)

Seminal vesicle

(b)

Bulbourethral gland

(c)

Prostate gland

(d)

Mucous gland

Assertion(A): Ovulation is the release of ovum from the Graafian follicle.
Reason(R): It occurs during the follicular phase of the menstrual cycle.
Codes:
(a) A and R are true, R is the correct explanation of A
(b) A and R are true, R is not the correct explanation of A
(c)  A is true, R is false
(d) Both A and R are false

(a)

A and R are true, R is the correct explanation of A

(b)

A and R are true, R is not the correct explanation of A

(c)

A is true, R is false

(d)

Both A and R are false

Assertion (A): The acrosome of the Sperm cell contains Sperm lysin.
Reason (R): Sperm lysin destroys the deformed Sperm cells.

(a)

R explains A

(b)

A is right R is wrong

(c)

A an R are right R does not explains A

(d)

Both A and R are wrong

Attachment of blastocyst to the uterine wall is called ______

(a)

Implantation

(b)

Parturition

(c)

Insemination

(d)

gastrulation

Bulbourethral glands are also called ______

(a)

prostate gland

(b)

Cowper's gland

(c)

Skene's glands

(d)

Bartholin's glands

The _____ are modified sweat gland seen in both sexes

(a)

Skene's glands

(b)

Bartholin's glands

(c)

Mammary gland

(d)

Cowper's gland

The _____ prevents poly spermy.

(a)

vitelline membrane

(b)

fertilization membrane

(c)

zona pellucida

(d)

corona radiata

The hormone ____ brings about powerful contraction of uterine muscles during child birth.

(a)

Relaxin

(b)

Oestrogen

(c)

Progesterone

(d)

Oxytocin

Identify the correct statement on 'inhibition'.

(a)

is produced by granulose cells in ovary and inhibits the secretion of FSH

(b)

is produced by granulose cells in ovary and inhibits the secretion of LH

(c)

is produced by nurse cells in testes and inhibits the secretion of LH

(d)

inhibits the secretion of LH, FSH and prolactin.

Hormones secreted by placenta to maintain pregnancy are

(a)

hCG, hPL, progesterone, estrogen

(b)

hCG, hPL, estrogen, relaxin, oxytocin

(c)

hCG, hPL, progesterone, prolactin

(d)

hCG, progesterone, estrogen, glucocorticoids

Assertion (A): In scrotum, the temperature is maintained 2 - 3°C lower than body temperature.
Reason (R): Reduced temperature results in efficient sperm production

(a)

R explains A.

(b)

A is right R is wrong.

(c)

A and R are right. R does not explains A

(d)

Both A and R are wrong

Organ of copulation in human female is __________________

(a)

Cevix

(b)

Fundus

(c)

Vagina

(d)

Uterus

Statement (1): Human pregnancy lasts for 35 weeks.
Statement (2): During gestation, embryo's heat develops during 12th week

(a)

Statement 1 is correct; statement 2 is incorrect

(b)

Statement 1 is incorrect; statement 2 is correct

(c)

Both the statements 1 and 2 are correct

(d)

Both the statements 1 and 2 are correct

What is the role of fimbriae?

(a)

Secretion of oestrogen and prolactin.

(b)

Helps in the collection of the ovum after ovulation

(c)

Attaches the ovary to the abdominal cavity.

(d)

Cormects oviduct with ovary

Read the given statements and select the correct option.
Statement 1: Diaphragms, cervical caps and vaults are made of rubber and are inserted into the female reproductive tract to cover the cervix before coitus.
Statement 2: They are chemical barriers of conception and are reusable.

(a)

Both statements 1 and 2 are correct and statement 2 is the correct explanation of statement 1.

(b)

Both statements 1 and 2 are correct but statement 2 is not the correct explanation of statement 1.

(c)

Statement 1 is correct but statement 2 is incorrect

(d)

Both statements 1 and 2 are incorrect

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

Pataus syndrome is also referred to as ______.

(a)

13-Trisomy

(b)

18-Trisormy

(c)

21-Trisormy

(d)

None of these

A mRNA molecule is produced by _____.

(a)

Replication

(b)

Transcription

(c)

Duplication

(d)

Translation

Which of the following was the contribution of Hugo de Vries?

(a)

Theory of mutation

(b)

Theory of natural Selection

(c)

Theory of inheritance of acquired characters

(d)

Germplasm theory

Exo-erythrocytic schizogony of Plasmodium takes place in _______

(a)

RBC

(b)

Leucocytes

(c)

Stomach

(d)

Liver

Cyclosporin – A is an immunosuppressive drug produced from _______

(a)

Aspergillus niger

(b)

Manascus purpureus

(c)

Penicillium notatum

(d)

Trichoderma polysporum

Which one of the following statements is true regarding DNA polymerase used in PCR?

(a)

It is used to ligate introduced DNA in recipient cells

(b)

It serves as a selectable marker

(c)

It is isolated from a Virus

(d)

It remains active at a high temperature

Predation and parasitism are which type of interactions?

(a)

(+,+)

(b)

(+, O)

(c)

(--, --)

(d)

(+, --)

Animals that can move from fresh water to sea called as______

(a)

Stenothermal

(b)

Eurythermal

(c)

Catadromous

(d)

Anadromous

Who introduced the term biodiversity?

(a)

Edward Wilson

(b)

Walter Rosen

(c)

Norman Myers

(d)

Alice Norman

With which of the following, the Agenda 21’ of Rio Summit, 1992 is related to?

(a)

Sustainable development

(b)

Combating the consequences of population

(c)

Mitigation norms of Green House Gases (GHGs) emission

(d)

Technology transfer mechanism to developing countries for ‘clean-energy’ production

In the E- waste generated by the Mobile Phones, which among the following metal is most abundant?

(a)

Copper

(b)

Silver

(c)

Palladium

(d)

Gold

First cell of male gametophyte in angiosperm is ______.

(a)

Microspore

(b)

megaspore

(c)

Nucleus

(d)

Primary Endosperm Nucleus

In Haplopappus gracilis, number of chromosomes in cells of nucellus is 4. What will be the chromosome number in Primary endosperm cell?

(a)

8

(b)

12

(c)

6

(d)

2

Extra nuclear inheritance is a consequence of presence of genes in _____.

(a)

Mitrochondria and chloroplasts

(b)

Endoplasmic reticulum and mitrochondria

(c)

Ribosomes and chloroplast

(d)

Lysososmes and ribosomes

Fruit colour in squash is an example of ______.

(a)

Recessive epistasis

(b)

Dominant epistasis

(c)

Complementary genes

(d)

Inhibitory genes

The dominant epistasis ratio is ______.

(a)

9:3:3:1

(b)

12:3:1

(c)

9:3:4

(d)

9:6:1

Accurate mapping of genes can be done by three point test cross because increases _____.

(a)

Possibility of single cross over

(b)

Possibility of double cross over

(c)

Possibility of multiple cross over

(d)

Possibility of recombination frequency

Plasmids are ______.

(a)

circular protein molecules

(b)

required by bacteria

(c)

tiny bacteria

(d)

confer resistance to antibiotics

pBR 322, BR stands for ______.

(a)

Plasmid Bacterial Recombination

(b)

Plasmid Bacterial Replication

(c)

Plasmid Bolivar and Rodriguez

(d)

Plasmid Baltimore and Rodriguez

Totipotency refers to _____.

(a)

capacity to generate genetically identical plants.

(b)

capacity to generate a whole plant from any plant cell / explant.

(c)

capacity to generate hybrid protoplasts.

(d)

recovery of healthy plants from diseased plants.

Cryopreservation means it is a process to preserve plant cells, tissues or organs _____.

(a)

at very low temperature by using ether.

(b)

at very high temperature by using liquid nitrogen

(c)

at very low temperature of -196°C by using liquid nitrogen

(d)

at very low temperature by using liquid nitrogen

Which of the given plant produces cardiac glycosides?

(a)

Calotropis

(b)

Acacia

(c)

Nepenthes

(d)

Utricularia

The plant of this group are adapted to live partly in water and partly above substratum and free from water ______.

(a)

Xerophytes

(b)

Mesophytes

(c)

Hydrophytes

(d)

Halophytes

Strong, sharp spines that get attached to animal’s feet are found in the fruits of ______.

(a)

Argemone

(b)

Ecballium

(c)

Heritier

(d)

Crossandra

Solar energy used by green plants for photosynthesis is only ______.

(a)

2 – 8%

(b)

2 – 10%

(c)

3 – 10%

(d)

2 – 9%

With respect to Eichhornia
Statement A: It drains off oxygen from water and is seen growing in standing water.
Statement B: It is an indigenous species of our country.

(a)

Statement A is correct and Statement B is wrong

(b)

Both Statements A and B are correct

(c)

Statement A is correct and Statement B is wrong.

(d)

Both statements A and B are wrong

While studying the history of domestication of various cultivated plants _______ were recognized earlier

(a)

Centres of origin

(b)

Centres of domestication

(c)

Centres of hybrid

(d)

Centres of variation

Jaya and Ratna are the semi dwarf varieties of ______.

(a)

wheat

(b)

rice

(c)

cowpea

(d)

mustard

New world species of cotton _____.

(a)

Gossypium arboretum

(b)

G. herbaceum

(c)

Both a and b

(d)

Gossypium barbadense