Agriculture/Agriculture Agriculture Genetics Plant Breeding and Biotechnology set-2 Sample Test,Sample questions

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Question: 
  Cauliflower cabbage broccoli kohlrabi and brussels sprouts have been derived from wild cabbage that still grows in coastal regions of:

1.Latin America

2.Mesopotamia

3.Europe and N. Africa

4.South Asia and South Africa

Posted Date:-2021-08-28 14:54:27

Question: 
  China rose is a :

1.Herb

2.Shrub

3.Tree

4.Climber

Posted Date:-2021-08-28 14:54:27

Question: 
  Cross of F1 hybrid with either parent is called:

1.Test cross

2.Single cross

3.Back cross

4.None of them

Posted Date:-2021-08-28 14:54:27

Question: 
  Development of seed without-sexual process is:

1.Apomixes

2.Polyembryony

3.Both (a) & (b)

4.None of the above

Posted Date:-2021-08-28 14:54:27

Question: 
  Disease rsistance in barley is:

1.Quantitative characteristics

2.Qualitative characteristics

3.Both (a) & (b)

4.None of the above

Posted Date:-2021-08-28 14:54:27

Question: 
  Each stamen is differentiated into:

1.Filament

2.Anther

3.Connective

4.All of the above

Posted Date:-2021-08-28 14:54:27

Question: 
  Embryo-sac is:

1.Male gametophyte

2.Micro-gametophyte

3.Saprophyte

4.Female gametophyte

Posted Date:-2021-08-28 14:54:27

Question: 
  Epicalyx is the characteristic of the family:

1. Gramineae

2.Solanaceae

3.Malvaceae

4.Compositeae

Posted Date:-2021-08-28 14:54:27

Question: 
  Female reproductive organ in the flower is:

1.Calyx

2.Corolla

3.Stamens

4.Carpals

Posted Date:-2021-08-28 14:54:27

Question: 
  Fruit of candytuft is known as:

1.Legume

2.Siliqua

3.Silicula

4.Capsule

Posted Date:-2021-08-28 14:54:27

Question: 
  Fruit of pea is known as:

1.Legume

2.Follicle

3.Siliqua

4.Capsule

Posted Date:-2021-08-28 14:54:27

Question: 
  Fruits of calotropis are:

1.Legume

2.Siliqua

3.Capsule

4.Follicle

Posted Date:-2021-08-28 14:54:27

Question: 
 Commercial banana have ______ instead of 22 chromosomes of ordinary diploid varieties:

1.13

2.23

3.33

4.43

Posted Date:-2021-08-28 14:54:27

Question: 
 Conifers are abundant in:

1.Tropical zone

2.Alpine zone

3.Temperate zone

4.Subtropical zone

Posted Date:-2021-08-28 14:54:27

Question: 
 Cotton:

1.Is a self-pollinated crop

2.Is a cross pollinated crop

3.Is an often-cross pollinated crop

4.Is an often-self pollinated crop

Posted Date:-2021-08-28 14:54:27

Question: 
 Cytogenetically the definitive nucleus is:

1.Haploid

2.Diploid

3.Triploid

4.Tetraploid

Posted Date:-2021-08-28 14:54:27

Question: 
 Despite conspicuous deterioration of maize upon continuous setting it is more tolerant to inbreeding than:

1.Limabean

2.Barley

3.Alfalfa

4.Buckwheat

Posted Date:-2021-08-28 14:54:27

Question: 
 DNA exists as a double helix as a result of hydrogen bonding between:

1.Sugar molecules

2.hosphate groups

3.Nucleohistones

4.Nucleosides

Posted Date:-2021-08-28 14:54:27

Question: 
 Electron microscope was invented by:

1.Jansen

2.Leeuwenhoek

3.Knoll and Ruska

4. None of the above

Posted Date:-2021-08-28 14:54:27

Question: 
 Exchange of genetic material takes place between non-sister chromatids of homologous chromosomes during the:

1.Four stand stage in prophase I

2.Two strand stage in prophase I

3.Metaphase I stage in meiosis

4.Two strand stage in prophase II

Posted Date:-2021-08-28 14:54:27

Question: 
 Flower colour in plants is a:

1.Qualitative chracter

2.Quantitative character

3. Both of them

4.None of them

Posted Date:-2021-08-28 14:54:27

Question: 
 Generally embryosac is:

1.Monosporic

2.Bisporic

3.Tetrasporic

4.Octosporic

Posted Date:-2021-08-28 14:54:27

Question: 
 Genes are made up of:

1.RNA only

2.DNA only

3.RNA nd DNA

4.Proteins

Posted Date:-2021-08-28 14:54:27

Question: 
 Who is regarded as the father of botany?

1.Theofrastus

2.Gregor Mendel

3.Carolus Linnaeus

4.Oswald Tippo

Posted Date:-2021-08-28 14:54:27

Question: 
Bulk population breeding is suitable for:

1.Fruit crops

2.Vegetable

3.Small grains

4.Flower crops

Posted Date:-2021-08-28 14:54:27

Question: 
Carolus Linnaeus is credited with introducing the:

1.Law of limiting factors

2.Law of independent assortment

3.Binomial system of nomenclature

4.Laws of inheritance

Posted Date:-2021-08-28 14:54:27

Question: 
Characteristic feature of the hydrophytes is:

1.Reduced protective tissues

2.Feebly developed root system

3.Spongy stem

4.All the above

Posted Date:-2021-08-28 14:54:27

Question: 
Characteristic feature of xerophytes is:

1.Long taproot

2.Leaves and stem with thick cuticle

3.Sunken stomata

4.All of the above

Posted Date:-2021-08-28 14:54:27

Question: 
Chauncey Goodrich was the first _____ to publish a paper dealing with resistance of potatoes to the blight diseases:

1.Britisher

2.German

3.Dutch

4.American

Posted Date:-2021-08-28 14:54:27

Question: 
Chromosome numbers in somatic cells of a maize plant are:

1.22

2.26

3.14

4.20

Posted Date:-2021-08-28 14:54:27

Question: 
Chromosome which pair at meiotic prophase and are similar size shape structure and function are known as:

1.Homologous

2.Isocentric

3.Isochromosome

4.Acentric

Posted Date:-2021-08-28 14:54:27

Question: 
CIMMYT is located at:

1.Miexico

2.England

3.Spain

4.Nigeria

Posted Date:-2021-08-28 14:54:27

Question: 
Cliestogamy encourages:

1.Self pollination

2.Cross pollination

3.Apomixes

4.Inbreeding depression

Posted Date:-2021-08-28 14:54:27

Question: 
Clone in general is:

1.Homozygous

2.Heterogeneous

3.Heterozygous

4.None of the above

Posted Date:-2021-08-28 14:54:27

Question: 
Composites are developed by using:

1.Advanced generation seed mixtures obtained from high yielding intervarietal or interracial crosses

2.Hybrid directly from intervarietal crosses

3.Recurrent selection for specific combining ability

4.The hybrid of an inbred with an open-pollinated variety

Posted Date:-2021-08-28 14:54:27

Question: 
Creation of the world by God is basis of the:

1.Theory of eternity of present condition

2.Theory of special creation

3.Theory of catastrophism

4.All the above

Posted Date:-2021-08-28 14:54:27

Question: 
Cross between cytoplasmic male sterile x cytoplasmic male fertile:

1.Produce sterile F1

2.Produce fertile F1

3.Produce fertile sterile in 1:1 ratio

4.None of the above

Posted Date:-2021-08-28 14:54:27

Question: 
Crossing over occurs at:

1.Two strand stage

2.Four strand stage

3.Three strand stage

4.None of the above

Posted Date:-2021-08-28 14:54:27

Question: 
Cuscuta is:

1.Total stem parasite

2.Partial stem parasite

3.Partial root parasite

4.Total root parasite

Posted Date:-2021-08-28 14:54:27

Question: 
Dallus is:

1.An undifferentiated mass of cells

2.A gamete

3.A tissue

4.A modification of leaf

Posted Date:-2021-08-28 14:54:27

Question: 
Date palm is:

1.Monoecious

2.Dioecious

3.Polygamous

4.None of the above

Posted Date:-2021-08-28 14:54:27

Question: 
Degenerated parts of plants and animals which do not serve any useful purpose are known as:

1.Un-useful structures

2.Vestigial structures

3.Essential organs

4.Unwanted structures

Posted Date:-2021-08-28 14:54:27

Question: 
Details of the kreb s cycle were worked out by the use of:

1.Radioactive carbon compounds

2.Ultracentrifugation

3.Electron-microscopy

4.X-ray crystallography

Posted Date:-2021-08-28 14:54:27

Question: 
Details of the kreb s cycle were worked out by the use of:

1.Radioactive carbon compounds

2.Ultracentrifugation

3.Electron-microscopy

4.X-ray crystallography

Posted Date:-2021-08-28 14:54:27

Question: 
Development and formation of pollen grains in anther of the stamen is known as:

1.Pollination

2.Fertilization

3.Microsporogenesis

4.Megasporogenesis

Posted Date:-2021-08-28 14:54:27

Question: 
Development of a fruit without fertilization is known as:

1.Parthenogenesis

2.Polyembrohy

3.Budding

4.Apomixes

Posted Date:-2021-08-28 14:54:27

Question: 
Development of the pollen tube the seed and the 3n endosperm double fertilization is characteristic features of:

1.Bryophytes

2.Pteridophytes

3.Gymnosperms

4.Angiosper

Posted Date:-2021-08-28 14:54:27

Question: 
Disease reaction is by and large a process:

1.Physical

2.Chemical

3.Mechanical

4.Manual

Posted Date:-2021-08-28 14:54:27

Question: 
DNA polymerase:

1.Helps is DNA replication

2.Helps in RNA replication

3.Helps in protein synthesis

4.None of the above

Posted Date:-2021-08-28 14:54:27

Question: 
DPD is the index of sucking power and is also known as:

1.Suction pressure

2.Wall pressure

3.Osmotic

4.Turgor pressure

Posted Date:-2021-08-28 14:54:27

Question: 
During mitotic cell division the total chromosome number:

1.Remains the same

2.Gets halved

3.Gets doubled

4.None of them

Posted Date:-2021-08-28 14:54:27

Question: 
Each cell of the female gametophyte is hapoid except:

1.Egg cell

2.Synergid cells

3.Antipodals cells

4.Definitive nucleus

Posted Date:-2021-08-28 14:54:27

Question: 
Each gramme of water transpired absorbs ______ kj of latent heat from the leaf and its environment:

1.2.0 - 2.1

2.2.2-2.3

3.3.4-3.5

4.2.7-2.8

Posted Date:-2021-08-28 14:54:27

Question: 
Each mature anther has:

1.One pollen sac

2.Two pollen sacs

3.Three pollen sacs

4.Four pollen sacs

Posted Date:-2021-08-28 14:54:27

Question: 
Each megaspore mother cell finally produces:

1. Four megaspores

2.Two megaspores

3.Only one megaspore

4.None of the above

Posted Date:-2021-08-28 14:54:27

Question: 
Each pollen mother cell produces four haploid cells as a result of:

1.Mitosis

2.Meiosis

3.One mitosis and then meiosis

4.None of the above

Posted Date:-2021-08-28 14:54:27

Question: 
Emasculation is:

1.Removal of male parts from a bisexual flower

2.Removal of female parts

3.Removal of male and female parts

4.None of the above

Posted Date:-2021-08-28 14:54:27

Question: 
Endosperm is store house for germinating embryo and it contains:

1.Hormones

2.Vitamins

3.Enzymes

4.All the above

Posted Date:-2021-08-28 14:54:27

Question: 
Flower is specialized:

1.Shoots

2.Leaf

3.Stem

4.Tendril

Posted Date:-2021-08-28 14:54:27

Question: 
Flowers having both androecium s and gynoecium s are said to be:

1.Hermaphrodite

2.Unisexual

3.Staminate

4.Pistilate

Posted Date:-2021-08-28 14:54:27

Question: 
For Hardy - Weinberg law to operate:

1.The population should be large

2.There should be open pollination

3.There should be no selection

4.ll the above

Posted Date:-2021-08-28 14:54:27

Question: 
Formation of new genes takes place due to:

1.Inversion

2.Transduction

3.Transversion

4.Mutation

Posted Date:-2021-08-28 14:54:27

Question: 
Fruit of sunflower is:

1.Caryopsis

2.Samara

3.Cypsela

4.Nut

Posted Date:-2021-08-28 14:54:27

Question: 
Fusion of the one sperm (male gamete) and definitive nucleus results in the formation of:

1.Endosperm

2.Embryo

3.Saprophyte

4.Zygote

Posted Date:-2021-08-28 14:54:27

Question: 
Genetics is the study of:

1.Genes

2.Gene interaction

3.Heredity and variation

4.DNA

Posted Date:-2021-08-28 14:54:27

Question: 
Who established that character is transmitted from generation to generation through chromosomes?

1.Robert Brown

2.Robert Hooke

3.Nawaschin

4.Strasburger and Hertwig

Posted Date:-2021-08-28 14:54:27

Question: 
Who founded the cell theory?

1.Robert Hooke

2. Von Mohl and Nageli

3.Schwann and Schleiden

4.Gres and Malpigi

Posted Date:-2021-08-28 14:54:27

Question: 
Who invented first compound microscope?

1.Robert Hooke

2.Jansen

3.Leeuwenhoek

4.None of these

Posted Date:-2021-08-28 14:54:27

Question: 
Who is credited with the discovery of mitosis?

1.Farmer and Moore

2.Huxley

3.Flemming

4.Robert Hooke

Posted Date:-2021-08-28 14:54:27

Question: 
Who suggested the imbiitions theory of ascent of sap?

1.Sir J.C.Bose

2.Sachs

3.Strasburger

4.Dixon and Jolly

Posted Date:-2021-08-28 14:54:27

Posted on by R4R Team

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