In which type of parthenogenesis are only males produced?

(a)

Arrhenotoky

(b)

Thelytoky

(c)

Amphitoky

(d)

Both a and b

The mature sperms are stored in the ____.

(a)

Seminiferous tubules

(b)

Vas deferens

(c)

Epididymis

(d)

Seminal vesicle

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

Which one of the following groups includes sexually transmitted diseases caused by bacteria only?

(a)

Syphilis, gonorrhoea and candidiasis

(b)

Syphilis, chlamydiasis and gonorrhoea

(c)

Syphilis, gonorrhoea and trichomoniasis

(d)

Syphilis, trichomoniasis and pediculosis

Three children of a family have blood groups A, AB and B. What could be the genotypes of their parents?

(a)

I^A I^B and I^oI^o

(b)

I^A I^o and I^BI^o

(c)

I^B I^B and I^A I^A

(d)

I^A I^A and I^oI^o

ZW-ZZ system of sex determination occurs in _____.

(a)

Fishes

(b)

Reptiles

(c)

Birds

(d)

All of these

DNA and RNA are similar with respect to _____.

(a)

Thymine as a nitrogen base

(b)

A single-stranded helix shape

(c)

Nucleotide containing sugars, nitrogen bases and phosphates

(d)

The same sequence of nucleotides for the amino acid phenyl alanine

When lactose is present in the culture medium:

(a)

Transcription of lac y, lac z, lac a genes occurs.

(b)

Repressor is unable to bind to the operator.

(c)

Repressor is able to bind to the operator.

(d)

Both (a) and (b) are correct.

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

Which of the following pair is correctly matched for the product produced by them?

(a)

Acetobacter aceti - Antibiotics

(b)

Methanobacterium - Lactic acid

(c)

Penicilium notatum - Acetic acid

(d)

Saccharomyces cerevisiae - Ethanol

Dolly, the sheep was obtained by a technique known as

(a)

Cloning by gene transfer

(b)

Cloning without the help of gametes

(c)

Cloning by tissue culture of somatic cells

(d)

Cloning by nuclear transfer

Organisms which can survive a wide range of temperature are called

(a)

Ectotherms

(b)

Eurytherms

(c)

Endotherms

(d)

Stenotherms

Which one of the following is not coming under insitu conservation

(a)

Sanctuaries

(b)

Natural parks

(c)

Zoological park

(d)

Biosphere reserve

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

An eminent Indian embryologist is ______.

(a)

S.R. Kashyap

(b)

P. Maheswari

(c)

M.S. Swaminathan

(d)

K.C. Mehta

In majority of plants pollen is liberated at _____.

(a)

1 celled stage

(b)

2 celled stage

(c)

3 celled stage

(d)

4 celled stage

In order to find out the different types of gametes produced by a pea plant having the genotype AaBb, it should be crossed to a plant with the genotype _____.

(a)

aaBB

(b)

AaBB

(c)

AABB

(d)

aabb

Select the period for Mendel’s hybridization experiments.

(a)

1856 - 1863

(b)

1850 - 1870

(c)

1857 - 1869

(d)

1870 - 1877

Match list I with list II

List I	list II
A. A pair of chromosomes extra with diploid	i) monosomy
B. One chromosome extra to the diploid	ii) tetrasomy
C. One chromosome loses from diploid	iii) trisomy
D. Two individual chromosomes lose from diploid	iv) double monosomy

(a)

A	B	C	D
i	iii	ii	iv

(b)

A	B	C	D
ii	iii	iv	i

(c)

A	B	C	D
ii	iii	i	iv

(d)

A	B	C	D
iii	ii	i	iv

EcoRI cleaves DNA at ____.

(a)

AGGGTT

(b)

GTATATC

(c)

GAATTC

(d)

TATAGC

Assertion (A): Agrobacterium tumefaciens is popular in genetic engineering because this bacterium is associated with the root nodules of all cereals and pulse crops
Reason(R): A gene incorporated in the bacterial chromosomal genome gets automatically transferred to the cross with which bacterium is associated.

(a)

Both assertion and reason are true. But reason is correct explanation of assertion.

(b)

Both assertion and reason are true. But reason is not correct explanation of assertion.

(c)

Assertion is true, but reason is false.

(d)

Assertion is false, but reason is true

(e)

Both assertion and reason are false.

Micro propagation involves _____.

(a)

vegetative multiplication of plants by using micro-organisms.

(b)

vegetative multiplication of plants by using small explants.

(c)

vegetative multiplication of plants by using microspores.

(d)

Non-vegetative multiplication of plants by using microspores and megaspores.

Arrange the correct sequence of ecological hierarchy starting from lower to higher level.

(a)

Individual organism → Population Landscape → Ecosystem

(b)

Landscape → Ecosystem → Biome → Biosphere

(c)

community → Ecosystem → Landscape → Biome

(d)

Population → organism → Biome → Landscape

Sticky glands of Boerhavia and Cleome support _______.

(a)

Anemochory

(b)

Zoochory

(c)

Autochory

(d)

Hydrochory

Significance of food web is / are ______.

(a)

it does not maintain stability in nature

(b)

it shows patterns of energy transfer

(c)

it explains species interaction

(d)

b and c

Deforestation means ______.

(a)

growing plants and trees in an area where there is no forest

(b)

growing plants and trees in an area where the forest is removed

(c)

growing plants and trees in a pond

(d)

Removal of plants and trees

The quickest method of plant breeding is _______.

(a)

Introduction

(b)

Selection

(c)

Hybridization

(d)

Mutation breeding

Groundnut is native of ____.

(a)

Philippines

(b)

India

(c)

North America

(d)

Brazil

Which is not a macrophage?

(a)

Monocyte

(b)

Microglia

(c)

Kupffer cell

(d)

Lymphocyte