CSS Agriculture Questions & Answers - Part-1 - Set 7

1)   At the stage of fully turgid cell, the suction pressure will be:

a. Equal to wall pressure
b. Zero
c. Equal to osmotic pressure
d. Maximum
Answer  Explanation 

ANSWER: Zero

Explanation:
No explanation is available for this question!


2)   ATP synthesis occurs in:

a. Chloroplast
b. Chloroplast and mitochondria
c. Chloroplast, mitochomdria and muclei
d. Mitochondria
Answer  Explanation 

ANSWER: Chloroplast and mitochondria

Explanation:
No explanation is available for this question!


3)   Bacteria, protozoa and other living plants and animals are:

a. Climatic factors
b. Edaphic factors
c. Biotic factors
d. Topographic factors
Answer  Explanation 

ANSWER: Biotic factors

Explanation:
No explanation is available for this question!


4)   Baldness in human being is a:

a. Sex linked character
b. Sex limited character
c. Sex-influenced character
d. None of the above
Answer  Explanation 

ANSWER: Sex-influenced character

Explanation:
No explanation is available for this question!


5)   Barely is a ______ pollinated crop:

a. Often-cross
b. Self and cross
c. Cross
d. Self
Answer  Explanation 

ANSWER: Self

Explanation:
No explanation is available for this question!


6)   Biffin in 1905 announced, that resistance to yellow rust of wheat is governed by ______ gene in crosses:

a. Single dominant
b. Single recessive
c. Double dominant
d. Double recessive
Answer  Explanation 

ANSWER: Single recessive

Explanation:
No explanation is available for this question!


7)   Binomial system of Nomenclature means that the name of plant is made up of two words, which designate:

a. Family and genus
b. Order and family
c. Species and family
d. Genus and species
Answer  Explanation 

ANSWER: Genus and species

Explanation:
No explanation is available for this question!


8)   Bread wheat is:

a. Haploid
b. Diploid
c. Tetraploid
d. Auto-allopolyploid
Answer  Explanation 

ANSWER: Auto-allopolyploid

Explanation:
No explanation is available for this question!


9)   Bulk population breeding is suitable for:

a. Fruit crops
b. Vegetable
c. Small grains
d. Flower crops
Answer  Explanation 

ANSWER: Small grains

Explanation:
No explanation is available for this question!


10)   Who suggested the imbiitions theory of ascent of sap?

a. Sir J.C.Bose
b. Sachs
c. Strasburger
d. Dixon and Jolly
Answer  Explanation 

ANSWER: Sachs

Explanation:
No explanation is available for this question!


11)   Dallus is:

a. An undifferentiated mass of cells
b. A gamete
c. A tissue
d. A modification of leaf
Answer  Explanation 

ANSWER: An undifferentiated mass of cells

Explanation:
No explanation is available for this question!


12)   Carolus Linnaeus is credited with introducing the:

a. Law of limiting factors
b. Law of independent assortment
c. Binomial system of nomenclature
d. Laws of inheritance
Answer  Explanation 

ANSWER: Binomial system of nomenclature

Explanation:
No explanation is available for this question!


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

a. Latin America
b. Mesopotamia
c. Europe and N. Africa
d. South Asia and South Africa
Answer  Explanation 

ANSWER: Europe and N. Africa

Explanation:
No explanation is available for this question!


14)   Who is regarded as the father of botany?

a. Theofrastus
b. Gregor Mendel
c. Carolus Linnaeus
d. Oswald Tippo
Answer  Explanation 

ANSWER: Theofrastus

Explanation:
No explanation is available for this question!


15)   Who is credited with the discovery of mitosis?

a. Farmer and Moore
b. Huxley
c. Flemming
d. Robert Hooke
Answer  Explanation 

ANSWER: Flemming

Explanation:
No explanation is available for this question!


16)   Characteristic feature of xerophytes is:

a. Long taproot
b. Leaves and stem with thick cuticle
c. Sunken stomata
d. All of the above
Answer  Explanation 

ANSWER: All of the above

Explanation:
No explanation is available for this question!


17)   Characteristic feature of the hydrophytes is:

a. Reduced protective tissues
b. Feebly developed root system
c. Spongy stem
d. All the above
Answer  Explanation 

ANSWER: All the above

Explanation:
No explanation is available for this question!


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

a. Britisher
b. German
c. Dutch
d. American
Answer  Explanation 

ANSWER: American

Explanation:
No explanation is available for this question!


19)   China rose is a :

a. Herb
b. Shrub
c. Tree
d. Tree
Answer  Explanation 

ANSWER: Shrub

Explanation:
No explanation is available for this question!


20)   Chromosome numbers in somatic cells of a maize plant are:

a. 22
b. 26
c. 14
d. 20
Answer  Explanation 

ANSWER: 20

Explanation:
No explanation is available for this question!


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

a. Homologous
b. Isocentric
c. Isochromosome
d. Acentric
Answer  Explanation 

ANSWER: Homologous

Explanation:
No explanation is available for this question!


22)   CIMMYT is located at:

a. Miexico
b. England
c. Spain
d. Nigeria
Answer  Explanation 

ANSWER: Miexico

Explanation:
No explanation is available for this question!


23)   Cliestogamy encourages:

a. Self pollination
b. Cross pollination
c. Apomixes
d. Inbreeding depression
Answer  Explanation 

ANSWER: Self pollination

Explanation:
No explanation is available for this question!


24)   Clone in general is:

a. Homozygous
b. Heterogeneous
c. Heterozygous
d. None of the above
Answer  Explanation 

ANSWER: Heterozygous

Explanation:
No explanation is available for this question!


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

a. 13
b. 23
c. 33
d. 43
Answer  Explanation 

ANSWER: 33

Explanation:
No explanation is available for this question!


26)   Complementary gene produces phenotypic ratio:

a. 3;1
b. 13;3
c. 15;1
d. 9;7
Answer  Explanation 

ANSWER: 9;7

Explanation:
No explanation is available for this question!


27)   Composites are developed by using:

a. Advanced generation seed mixtures obtained from high yielding intervarietal or interracial crosses
b. Hybrid directly from intervarietal crosses
c. Recurrent selection for specific combining ability
d. The hybrid of an inbred with an open-pollinated variety
Answer  Explanation 

ANSWER: Advanced generation seed mixtures obtained from high yielding intervarietal or interracial crosses

Explanation:
No explanation is available for this question!


28)   Conifers are abundant in:

a. Tropical zone
b. Alpine zone
c. Temperate zone
d. Subtropical zone
Answer  Explanation 

ANSWER: Temperate zone

Explanation:
No explanation is available for this question!


29)   Cotton:

a. Is a self-pollinated crop
b. Is a cross pollinated crop
c. Is an often-cross pollinated crop
d. Is an often-self pollinated crop
Answer  Explanation 

ANSWER: Is an often-cross pollinated crop

Explanation:
No explanation is available for this question!


30)   Creation of the world by God is basis of the:

a. Theory of eternity of present condition
b. Theory of special creation
c. Theory of catastrophism
d. All the above
Answer  Explanation 

ANSWER: Theory of special creation

Explanation:
No explanation is available for this question!


31)   Cross between cytoplasmic male sterile x cytoplasmic male fertile:

a. Produce sterile F1
b. Produce fertile F1
c. Produce fertile, sterile in 1:1 ratio
d. None of the above
Answer  Explanation 

ANSWER: Produce sterile F1

Explanation:
No explanation is available for this question!


32)   Cross of F1 hybrid with either parent is called:

a. Test cross
b. Single cross
c. Back cross
d. None of them
Answer  Explanation 

ANSWER: Test cross

Explanation:
No explanation is available for this question!


33)   Crossing over occurs at:

a. Two strand stage
b. Four strand stage
c. Three strand stage
d. None of the above
Answer  Explanation 

ANSWER: Four strand stage

Explanation:
No explanation is available for this question!


34)   Cuscuta is:

a. Total stem parasite
b. Partial stem parasite
c. Partial root parasite
d. Total root parasite
Answer  Explanation 

ANSWER: Total stem parasite

Explanation:
No explanation is available for this question!


35)   Cytogenetically, the definitive nucleus is:

a. Haploid
b. Diploid
c. Triploid
d. Tetraploid
Answer  Explanation 

ANSWER: Diploid

Explanation:
No explanation is available for this question!


36)   Date palm is:

a. Monoecious
b. Dioecious
c. Polygamous
d. None of the above
Answer  Explanation 

ANSWER: Dioecious

Explanation:
No explanation is available for this question!


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

a. Un-useful structures
b. Vestigial structures
c. Essential organs
d. Unwanted structures
Answer  Explanation 

ANSWER: Vestigial structures

Explanation:
No explanation is available for this question!


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

a. Limabean
b. Barley
c. Alfalfa
d. Buckwheat
Answer  Explanation 

ANSWER: Alfalfa

Explanation:
No explanation is available for this question!


39)   Details of the kreb's cycle were worked out by the use of:

a. Radioactive carbon compounds
b. Ultracentrifugation
c. Electron-microscopy
d. X-ray crystallography
Answer  Explanation 

ANSWER: Radioactive carbon compounds

Explanation:
No explanation is available for this question!


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

a. Pollination
b. Fertilization
c. Microsporogenesis
d. Megasporogenesis
Answer  Explanation 

ANSWER: Microsporogenesis

Explanation:
No explanation is available for this question!


41)   Development of a fruit without fertilization is known as:

a. Parthenogenesis
b. Polyembrohy
c. Polyembrohy
d. Apomixes
Answer  Explanation 

ANSWER: Parthenogenesis

Explanation:
No explanation is available for this question!


42)   Who invented first compound microscope?

a. Robert Hooke
b. Jansen
c. Leeuwenhoek
d. None of these
Answer  Explanation 

ANSWER: Jansen

Explanation:
No explanation is available for this question!


43)   Development of seed without-sexual process is:

a. Apomixes
b. Polyembryony
c. Both (a) & (b)
d. None of the above
Answer  Explanation 

ANSWER: Apomixes

Explanation:
No explanation is available for this question!


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

a. Bryophytes
b. Pteridophytes
c. Gymnosperms
d. Angiosperms
Answer  Explanation 

ANSWER: Angiosperms

Explanation:
No explanation is available for this question!


45)   Disease reaction is by and large, a process:

a. Physical
b. Chemical
c. Mechanical
d. Manual
Answer  Explanation 

ANSWER: Chemical

Explanation:
No explanation is available for this question!


46)   Disease rsistance in barley is:

a. Quantitative characteristics
b. Qualitative characteristics
c. Both (a) & (b)
d. None of the above
Answer  Explanation 

ANSWER: Qualitative characteristics

Explanation:
No explanation is available for this question!


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

a. Sugar molecules
b. Phosphate groups
c. Nucleohistones
d. Nucleosides
Answer  Explanation 

ANSWER: Nucleohistones

Explanation:
No explanation is available for this question!


48)   DNA polymerase:

a. Helps is DNA replication
b. Helps in RNA replication
c. Helps in protein synthesis
d. None of the above
Answer  Explanation 

ANSWER: Helps is DNA replication

Explanation:
No explanation is available for this question!


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

a. Suction pressure
b. Wall pressure
c. Osmotic
d. Turgor pressure
Answer  Explanation 

ANSWER: Suction pressure

Explanation:
No explanation is available for this question!


50)   During mitotic cell division the total chromosome number:

a. Remains the same
b. Gets halved
c. Gets doubled
d. None of them
Answer  Explanation 

ANSWER: Remains the same

Explanation:
No explanation is available for this question!