An eminent Indian embryologist is ______.

(a)

S.R. Kashyap

(b)

P. Maheswari

(c)

M.S. Swaminathan

(d)

K.C. Mehta

Transmitting tissue is found in ______.

(a)

Micropylar region of ovule

(b)

Pollen tube wall

(c)

Stylar region of gynoecium

(d)

Integument

Coleorhiza is found in ______.

(a)

Paddy

(b)

Bean

(c)

Pea

(d)

Tridax

In Mendel’s experiments with garden pea, round seed shape (RR) was dominant over wrinkled seeds (rr), yellow cotyledon (YY) was dominant over green cotyledon (yy). What are the expected phenotypes in the F₂ generation of the cross RRYY x rryy?

(a)

Only round seeds with green cotyledons

(b)

Only wrinkled seeds with yellow cotyledons

(c)

Only wrinkled seeds with green cotyledons

(d)

Round seeds with yellow cotyledons and wrinkled seeds with yellow cotyledons

In his classic experiments on Pea plants, Mendel did not use ______.

(a)

Flowering position

(b)

Seed colour

(c)

Pod length

(d)

Seed shape

The A and B genes are 10 cm apart on a chromosome. If an AB/ab heterozygote is testcrossed to ab/ab, how many of each progeny class would you expect out of 100 total progeny?

(a)

25 AB, 25 ab, 25 Ab, 25 aB

(b)

10 AB, 10 ab

(c)

45 AB, 45 ab

(d)

45 AB, 45 ab, 5 Ab, 5aB

Due to incomplete linkage in maize, the ratio of parental and recombinants are ______.

(a)

50:50

(b)

7:1:1:7

(c)

96.4: 3.6

(d)

1:7:7:1

Genes G S L H are located on same chromosome. The recombination percentage is between L and G is 15%, S and L is 50%, H and S are 20%. The correct order of genes is _____.

(a)

GHSL

(b)

SHGL

(c)

SGHL

(d)

HSLG

Consider the following statements:
I. Recombinant DNA technology is popularly known as genetic engineering is a stream of biotechnology which deals with the manipulation of genetic materials by man invitro
II. pBR322 is the first artificial cloning vector developed in 1977 by Boliver and Rodriguez from E.coli plasmid
III. Restriction enzymes belongs to a class of enzymes called nucleases.
Choose the correct option regarding above statements

(a)

I & II

(b)

I & III

(c)

II & III

(d)

I,II & III

The process of recombinant DNA technology has the following steps
I. amplication of the gene
II. Insertion of recombinant DNA into the host cells
III. Cutting of DNA at specific location using restriction enzyme .
IV. Isolation of genetic material (DNA) Pick out the correct sequence of step for recombinant DNA technology.

(a)

II, III, IV, I

(b)

IV, II, III, I

(c)

I, II, III, IV

(d)

IV, III, I, II

An antibiotic gene in a vector usually helps in the selection of ______.

(a)

Competent cells

(b)

Transformed cells

(c)

Recombinant cells

(d)

None of the above

The time duration for sterilization process by using autoclave is ______ minutes and the temperature is ______.

(a)

10 to 30 minutes and 125° C

(b)

15 to 30 minutes and 121° C

(c)

15 to 20 minutes and 125° C

(d)

10 to 20 minutes and 121° C

Ecology is the study of an individual species is called
i) Community ecology
ii) Autecology
iii) Species ecology
iv) Synecology

(a)

 i only

(b)

ii only 

(c)

 i and iv only

(d)

ii and iii only

In soil water available for plants is ____.

(a)

gravitational water

(b)

chemically bound water

(c)

capillary water

(d)

hygroscopic water

Match the following and choose the correct combination from the options given below:

Column I (Interaction)	Column II (Examples)
I. Mutualism II. Commensalism III. Parasitism IV. Predation V. Amensalism	i) Trichoderma and Penicillium ii) Balanophora, Orobanche iii) Orchids and Ferns iv) Lichen and Mycorrhiza v) Nepenthes and Diaonaea

(a)

I	II	III	IV	V
i	ii	iii	iv	v

(b)

I	II	III	IV	V
ii	iii	iv	v	i

(c)

I	II	III	IV	V
iii	iv	v	i	ii

(d)

I	II	III	IV	V
iv	iii	ii	v	i

Pond is a type of ______.

(a)

forest ecosystem

(b)

grassland ecosystem

(c)

marine ecosystem

(d)

fresh water ecosystem

Pond ecosystem is _______.

(a)

not self sufficient and self regulating

(b)

partially self sufficient and self regulating

(c)

self sufficient and not self regulating

(d)

self sufficient and self regulating

Profundal zone is predominated by heterotrophs in a pond ecosystem, because of ______.

(a)

with effective light penetration

(b)

no effective light penetration

(c)

complete absence of light

(d)

a and b

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

Find the wrongly matched pair.

(a)

Endemism - Species confined to a region and not found anywhere else.

(b)

Hotspots - Western Ghats

(c)

Ex-situ Conservation - Zoological parks

(d)

Sacred groves - Saintri hills of Rajasthan

(e)

Alien sp. Of India - Water hyacinth

Match column I (crop) with column II (Corresponding disease resistant variety) and select the correct option from the given codes.

Column I	Column II
I) Cowpea	i) Himgiri
II) Wheat	ii) Pusa komal
III) Chilli	iii) Pusa Sadabahar
IV) Brassica	iv) Pusa Swarnim

(a)

I	II	III	IV
iv	iii	ii	i

(b)

I	II	III	IV
ii	i	iii	iv

(c)

I	II	III	IV
ii	iv	i	iii

(d)

I	II	III	IV
i	iii	iv	ii

A wheat variety, Atlas 66 which has been used as a donor for improving cultivated wheat, which is rich in ______.

(a)

iron

(b)

carbohydrates

(c)

proteins

(d)

vitamins

Tectona grandis is coming under family _____.

(a)

Lamiaceae

(b)

Fabaceae

(c)

Dipterocaipaceae

(d)

Ebenaceae

Tamarindus indica is indigenous to _____.

(a)

Tropical African region

(b)

South India, Sri Lanka

(c)

South America, Greece

(d)

India alone

The only cereal that has originated and domesticated from the New world.

(a)

Oryza sativa

(b)

Triticum asetumn

(c)

Triticum duram

(d)

Zea mays