The male homologue of the female clitoris is ______.

(a)

Scrotum

(b)

Penis

(c)

Urethra

(d)

Testis

Identify the correct statements from the following.

(a)

Chlamydiasis is a viral disease

(b)

Gonorrhoea is caused by a spirochaete bacterium, Treponema palladium

(c)

The incubation period for syphilis is 2 to 14 days in males and 7 to 21 days in females

(d)

Both syphilis and gonorrhoea are easily cured with antibiotics

Oral contraceptive pills contain synthetic ____ and hormones. (or) Contraceptive pills contain: 

(a)

androgen and testosterone

(b)

Androgen and Oxytocin

(c)

relaxin and inhibin

(d)

Progesterone and estrogen

Assertion (A): IUD's are inserted in the ovary.
Reason (R): IUD's Increases phagocytosis of the sperm.
Codes:
(a) Both A and R are correct
(b) Both A and R are incorrect
(c) A is correct R is incorrect
(d) A is incorrect R is correct

(a)

Both A and R are correct

(b)

Both A and R are incorrect

(c)

A is correct R is incorrect

(d)

A is incorrect R is correct

Down's syndrome is a genetic disorder which is caused by the presence of an extra chromosome number _____.

(a)

20

(b)

21

(c)

4

(d)

23

__________ is a disease where abnormal haemoglobin is produced in patients.

(a)

Phenylketonuria

(b)

Huntington's chorea

(c)

Thalassemia

(d)

Albinism

A pleiotropic gene:

(a)

Is a gene evolved during Pliocene

(b)

Controls a trait only in combination with another gene

(c)

Controls multiple traits in an individual

(d)

Is expressed only in primitive plants

An operon is a: ______.

(a)

Protein that suppresses gene expression

(b)

Protein that accelerates gene expression

(c)

Cluster of structural genes with related function

(d)

Gene that switched other genes on or off

The term nucleic acid was coined by ________.

(a)

Miescher

(b)

Hofmeister

(c)

Altman

(d)

Mcleod

Which of the following is not required for any of the techniques of DNA finger printing available at present?

(a)

Zinc finger analysis

(b)

Restriction enzymes

(c)

DNA-DNA hybridization

(d)

polymerase chain reaction

Which of the following mRNA yields 6 amino acids after translation?

(a)

UCU UAU AGU CGA UGC AGU UGA AAA UUU

(b)

UGA AGA UAG GAG CAU CCC UAC UAU GAU

(c)

GUC UGC UGG GCU GAU UAA AGG AGC AUU

(d)

AUG UAC CAU UGC UGA UGC AGG AGC CCG

According to Neo Darwinism change in the frequency of genes in population arise due to all Except.

(a)

Natural selection

(b)

Mutation

(c)

Struggle for existence

(d)

Variation

Genetic drift leads to

(a)

Mutation

(b)

Bottle neck effect

(c)

Immigration

(d)

Isolation

Cirrhosis of liver is caused by chronic intake of ______

(a)

Opium

(b)

Alcohol

(c)

Tobacco

(d)

Cocaine

The substance not present in tobacco is

(a)

nicotine

(b)

tar

(c)

Morphine

(d)

carbon monoxide

Bacillary dysentery is caused due to __________________

(a)

Salmonella

(b)

Shigella

(c)

Clostridium

(d)

Yersinia

Which of the following are likely to be present in deep-sea water?

(a)

Archaebacteria

(b)

Eubacteria

(c)

Blue-green algae

(d)

Saprophytic fungi

Name the scientists who discovered Interferons?

(a)

Alick Issac and Jean Lindemann

(b)

Thalassemia

(c)

Haemophilia

(d)

Anaemia

The figure given below is a diagrammatic representation of response of organisms to abiotic factors. What do A, B and C represent respectively.

(a)

A	B	C
Conformer	Regulator	Partial Regulator

(b)

A	B	C
Regulator	Partial Regulator	Conformer

(c)

A	B	C
Partial Regulator	Regulator	Conformer

(d)

A	B	C
Regulator	Conformer	Partial Regulator

Which among the following awards instituted by the Government of India for individuals or communities from rural areas that have shown extraordinary courage and dedication in protecting Wildlife?

(a)

Indira Gandhi Paryavaran Puraskar

(b)

Medini Puruskar Yojana

(c)

Amrita Devi Bishnoi Award

(d)

Pitambar Pant National Award

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

Which of the following explains how progeny can posses the combinations of traits that none of the parent possessed?

(a)

Law of segregation

(b)

Chromosome theory

(c)

Law of independent assortment

(d)

Polygenic inheritance

pBR 322, BR stands for ______.

(a)

Plasmid Bacterial Recombination

(b)

Plasmid Bacterial Replication

(c)

Plasmid Bolivar and Rodriguez

(d)

Plasmid Baltimore and Rodriguez

Identify the A, B, C and D in the given table

Interaction	Effects on species X	Effects on species Y
Mutualism	A	(+)
B	(+)	(-)
Competition	(-)	C
D	(-)	o

(a)

A	B	C	D
(+)	Parasitism	(-)	Amensalism

(b)

A	B	C	D
(-)	Mutualism	(+)	Competition

(c)

A	B	C	D
(+)	Competition	(0)	Mutualism

(d)

A	B	C	D
(O)	Amensalism	(+)	Parasitism

Which of the following is not a sedimentary cycle

(a)

Nitrogen cycle

(b)

Phosphorous cycle

(c)

Sulphur cycle

(d)

Calcium cycle