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MCQ On Floriculture And Landscaping

#AgriTime

1. In a formal garden the imaginary central line is known as  

a) edges

b) axis

c) focal point

d) hedges


2. Plant suitable for Pergolas among the following

a) Tuja

b) Phyllanthus

c) Jasmine

d) Casuarina


3. Which of the following is the quickest method of lawn making?

a) Seeding

b) Dibbling

c) Turfing

d) Turf plastering


4. Main features of English garden 


a) lawn

b) rockery

c) lanterns

d) border


5. Japanese garden do not have 


a) terrace garden

b) sand garden

c) stone lantern

d) stream
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6. Xeriscaping is a type of landscaping that uses plant that need very little

a) clean air

b) sunlight

c) soil

d) water


7. Green Façade is the term used in which of the following

a) vermi culture

b) seri culture

c) Green manuring

d) Vertical gardening


8. Plant suitable for topiary

a) Tecoma

b) Duranta

c) Thunbergia

d) Clerodendron


9. Plant which is suitable as a central specimen in Garden

a) Bougainvillea

b) Banyan tree

c) Christmas tree

d) Rain tree


10. Plant suitable for Bonsai making and which is easily available  

a) rain tree

b) Banyan tree

c) Acacia

d) all of these

#AgriTime

#Answers:

1.

b) axis

2.

c) Jasmine

3. 

c) Turfing

4. a) lawn

5. 

a) terrace garden

6. 

d) water

7.

d) Vertical gardening

8. 

b) Duranta

9. 

c) Christmas tree

10. 

b) Banyan tree


T.me/AgriTime
#AgriTime
_________________
🦋Horticulture MCQ🦋
_________________

1. Which chemical is used for de-greening of fruit?

(A) IBA

(B) Cytokinin

(C) Gibberalic Acid

(D) Ethylene

Ans. D

2. HQ of International Society for Horticulture Science (ISHS) is at ____

(A) USA

(B) Belgium

(C) France

(D) Brazil

Ans. B

3. Journal “Indian Horticulture” is published by _

(A) IIHR

(B) IARI

(C) ICAR

(D) IGKV

Ans. C

4. Most abundant and basic Auxin is _

(A) IAA

(B) NAA

(C) 1BA

(D) 2-4 D

Ans. A

5. India is known as home of _

(A) Vegetables

(B) Spices and Medicinal

(C) Fruits

(D) Flowers

Ans. B

6. High Water Use Efficiency (WUE)

(A) Flood irrigation

(B) Sprinkler

(C) Drip

(D) All of the above

Ans. C

7. Protray are related to _

(A) Post harvest

(B) Nursery

(C) Processing

(D) Transport

Ans. B

8. Which test is used for testing the significance of mean differences?

(A) t-test

(B) f-test

(C) z-test

(D) k2-test

Ans. A

9. Detrimental effect of host plant on the biology of insect is known as _

(A) Non preference

(B) Tolerance

(C) Antibiosis

(D) Resistance

Ans. C

10. Disease free plants in micro propagation can be obtained through _

(A) Meristem culture

(B) Anther culture

(C) Embryo culture

(D) Cell culture

Ans. A

@AgriTime
#Multiple_Choice_Questions_on_Agronomy....

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1.  The origin place of potato is 
a) China
b) South America
c) Africa
d) Tropical America

2.  Dapog method of raising nursery of rice, has been introduced in India from

a) Israel
b) Indonesia
c) Taiwan
d) Philippines

3. Gene responsible for dwarfing characters in rice is 
a) Norin 10
b) Opaque 2
c) Dee- gee-woo-gen
d) Tift 23 A

4.  Green revolution has been most successful in 
a) Wheat and Potato
b) Wheat and Rice
c)  Barley and Rice
d) Tea and Coffee

5. Trench method of sugarcane planting is used in 
a) North India
b) Western India
c) Coastal areas
d) Waterlogged area

6. ‘Akiochi’ disease in rice is due to the toxicity caused by 
a) Zinc
b) Iron
c) Phosphorus
d) Hydrogen Sulphide
@AgriTime

7. A device for measuring percolation and leeching losses from a column of soil under controlled conditions is known as 
a) Lysimeter
b) Evaporimeter
c) Psycrometer
d) Infitrometer

8. The instrument used for measuring depth of water table is known as 
a) Evaporimeter
b) Odometer
c) Lysimeter
d) Piezometer

9. In dwarf wheat, sowing depth is related to 

a) length of radicle
b) length of coleoptile
c) Humidity
d) Temperature

10. Soybean is originated in                     
a) China
b) Tropical America 
c) Japan
d) South America

Agri Time : Answers

1. b) South America
2. d) Philippines
3. c) Dee- gee-woo-gen
4. b) Wheat and Rice
5. c) Coastal areas
6. d) Hydrogen Sulphide
7. a) Lysimeter
8. d) Piezometer
9. b) length of coleoptile
10. a) China

T.me/AgriTime
#AgriTime

1) Father of host plant resistance is .......
A. Rachel Carson- book silent spring
B. Painter✓
C. Paul de Batch - Biological control of insect pest and weeds
D. M. Vaeck - reported first transgenic plant


2) The worker bee is .....
A. Drone
B. Sterile male
C. Sterile Female ✓
D. None


3) Stem injection or root feeding of the monocrotophos is recommended for the management of........
A. Cotton bollworm
B. Tea mosquito
C. Coffee stem borer
D. Coconut black head caterpillar✓

4) Following...... anticoagulant is used for control.
A. Zn phosphide
B. Al2PO
C. Hydrogen cyanide
D. Warfar✓

5) The dwelling pest of termite is also known as .......
A. Canal
B. Tunnel
C. Mound✓
D. Cave

6) Causal organism of Rhizome rot of cardamum is....
A. Pythium vexans
B. Rhizoctonia solani
C. Both✓
D. None

7) Vector of Kattle mosaic disease is .....
A. Aphid✓( banana aphid )
B. Jassids
C. White flies.- leaf curl
D. Thrips

8) Phyllody of sesame transmitted by ....
A. White flies -
B. Thrips
C. Leaf hoppers ✓
D. Mites - sterility mosaic in pigeon pea

9) Grassy shoot of sugarcane is ........disease .
A. Viral
B. Bacterial
C. Phoplasmal ✓
D. Algal

10)Causal organism of collar rot of groundnut is .....
A. Colletotrichum falcatum - red rot in sugarcane
B. Aspergillus niger✓
C. Ceratosystis paradoxa- sett rot in sugarcane
D. None


11) Cereal cyst nematode is .....
A. Meloidogyne sp.
B. Anguina tritici
C. Heterodera avenae ✓
D. Tylenchulus semipenitrance


12) Rodophos similis causes ........disease to banana .
A. Blackhead
B. Rot root
C. Yellow pepper
D. All✓

13) Nematocidal properties of DD discoverd by....
A. Christie - Nematocidal properties of EDB
B. Carter ✓
C. Both
D. None


14) .....is the migratory ectoparasite.
A. Xiphinema✓
B. Rotylenchus
C. Meloidogyne
D. Anguina
15)......nematode causes sprading decline of citrus
A. Paratylenchus spp.
B. Xiphinema spp.
C. Criconema spp.
D. Rodopholus similis✓

@Agritime
#AGRITIME

Mendelian Genetics or
Mendel’s Law of Inheritance

Mendel’s Law of Inheritance or Mendelian genetics

The basic principles of Genetics were uncovered by an Austrian priest, Gregor Johann Mendel. His experiments consisted of crossing and selfing of the experimental material, Pisum sativum(Garden Pea). The experimental results and generalizations (popularly known as Mendelism) were published in 1866.



Mendel’s law of hereditary are described in his paper “Experiments on plant hybridisation” which was published in the fourth volume of Annual proceeding of Natural History Society of Brunn”

In 1900, Mendel’s paper was simultaneously discovered by three biologists: Hugo de Vries, Carl Correns and Eric von Tschermark. The discovery of Mendelian principles leads to the emergence of a new branch of biology known as Genetics. William Bateson (1905) gave this developing science the name genetics’. Later Johannsen coined the term gene for the hereditary unit that determines observable characters.

@AgriTime

Mendel’s Law of Inheritance or Mendelian genetics

 It is a set of primary tenets that underlie much of genetics by G. Mendel In the latter part of 19 th century. He performed monohybrid and dihybrid crosses and gave three principles of inheritance.

Mendel’s three principles of Inheritance are:

1. Law of Dominance
2. Law of Segregation
3. Law of Independent Assortment

1. Law of Dominance

It state that when two individuals of a species, differing in a pair of contrasting characters are crossed, the form of the trait that appears in the F1 hybrid is dominant and the other form that is not expressed is recessive.

In a cross between tall and dwarf garden pea plants in the F1 generation only tall plants are seen. This means that tall form is dominant over dwarf form.

Exceptions to principle of dominance are incomplete dominance and codominance.

2. Law of Segregation

A cross involving contrasting expression of one trait is referred to as mono hybrid cross. For example, in order to learn inheritance of plant height, a tall pea was crossed with dwarf one; all other traits were ignored here. From the results of monohybrid crosses Mendel developed the law of segregation.

It states that hereditary patterns are determined by factors that occur in pairs in an individual but segregate from each other in the formation of gametes so that any one gamete receives one or the other of the paired factors. This principle is also known as the law of purity of gametes.

3. Law of Independent Assortment

A cross in which the parents differ in two pairs of alleles is called a Dihybrid cross 
(example-tall green x dwarf yellow).

It states that in the inheritance of two pairs of contrasting characters, the factors of each pair of characters segregate independently of the factors of the other pair of characters.

•IMPORTANCE OF MENDELISM ARE

 1. Science of eugenics (development of superior progeny) is based on mendelism.
 2. On the basis Mendelism, different breeds in animals and varieties of plants have been produced.
3. On the basis of Mendelism, heterosis has been utilised in different organism.


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#AgriTime

Multiple Choice Questons On Inflorescence




1.An inflorescence in which flowers arise from different point but reach at same point is known as

a) catkin

b) spadix

c) umbel

d) cymose

2. In raceme the flowers are

a) arranged in basipetal succession

b) arranged in acropetal succession

c) of separate sexes

d) of the same sexes


3. A spike of unisexual flower is found in

a) wheat

b) onion

c) mulberry

d) fig

4. In onion the inflorescence is

a) raceme

b) corymb

c) catkin

d) umbel


5. In musaceae the inflorescence is

a) spadix

b) spike

c) head

d) none of these


6. The inflorescence in Mimosa pudica (touch me not plant) is



a) umbel

b) corymb

c) spike

d) globose head


7. Hypanthodium is a characteristic inflorescence of

a) mulberry

b) Ficus

c) Poinsetia

d) pine apple


8. The inflorescence in Dorstenia

a) amentum

b) coenaanthium

c) anthodium

d) rhiphodium


9. When dichasial cyme ends into monochasial cyme the inflorescence is

a) uniparous

b) biparous

c) cincissus

d) vericillaster


10. Dichasial cyme is seen in

a) Ixora

b) Begonia

c) Calotropis

d) Bignonia


11. Cyathium is found in

a) Ficus

b) Morus

c) Euphorbia

d) Dorstenia

12. Helicoid cyme is found in  


a) Dianthus

b) Hamelia

c) Leucas

d) Hibiscus




13. The characteristic inflorescence of the family compositae



a) head or capitulam

b) cymose

c) racemose

d) verticillaster


14. The inflorescence of Anthurium

a) spike

b) racemose

c) hypanthodium

d) spadix


15. The most important function of an inflorescence is to help in

a) dispersal of seeds

b) release of pollen grains

c) attracting insects for cross pollination

d) forming large number of fruits


#Answers:

1-c

2-b

3-c

4-d

5-a

6-b

7-b

8-b

9-d

10-a

11-c

12-b

13-a

14-d

15-c


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