Breeding Pest Resistant Plants

Q. Match the columns I and II: Column I Column II

A.	Brassica	I.	Pusa Sawani
B.	Cauliflower	II.	Pusa Sadabahar
C.	Chilli	III.	Pusa Shubhra
D.	Okra	IV.	Pusa Swarnim

1. A-I, B-II, C-IV, D-III
2. A-II, B-I, C-III, D-IV
3. A-III, B-II, C-IV, D-I
4. A-IV, B-III, C-II, D-I

Q.

How RNAi is used in producing nematode-resistant tobacco plants?

Q. Select the correct statement(s).

i. IARI has released a mustard variety rich in vitamin C.

ii. Pusa Sawani, a variety of Okra is resistant to aphids.

iii Hairiness of leaves provides resistance to insect pests.

iv. Agriculture accounts for approximately 33% of India's GDP and employs nearly 62% of the population.

1. i and ii
2. ii and iii
3. i, iii and iv
4. ii and iv

Q.

Parbhani Kranti, a variety of bhindi or ladys finger is resistant to

1. Yellow mosaic virus

2. Bacterial blight

3. Leaf curl

4. Black rot

Q.

Pusa Subhra is bred by hybridisation and selection for resistance to black rot and curl blight black rot, is a variety of

1. Chilli

2. Cauliflower

3. Cabbage

4. Wheat

Q. Flavr savr is the transgenic variety of

1. Solanum tuberosum
2. Brassica napus
3. Solanum lycopersicum
4. Oryza sativa

Q. Apomixis is seen in which of the following?

1. Hieracium
2. Poa
3. Rubus
4. All of these

Q. The source of insect pest resistant genes is

1. Cultivated varieties
2. Germplasm collections of the crop
3. Wild relatives
4. All of these

Q. Choose the option showing the crop plants with its correct
$\begin{array}{cc}\text{A. Semi Dwarf Wheat}& \text{I. Sonalika}\\ \text{B. Semi Dwarf Rice}& \text{II. Kalyan sona}\\ & \text{III. IR-8}\\ & \text{IV. Jaya}\\ & \text{V. Taichung Native-1}\\ & \text{VI. Ratna}\end{array}$

1. A – I, II, IV; B – III, V, VI
2. A – I, II; B – III, IV, V, VI
3. A – I, III, V; B – II, IV, VI
4. A – III, IV, V, VI; B – I, II

Q. Which among these are the objectives of biotechnology in the field of agriculture?
(A) To produce pest-resistant varieties of plants
(B) To decrease the nitrogen absorption
(C) To increase tolerance to water stress of the plant
(D) To improve the non-agronomic characters

Choose the correct option:

1. A and C
2. B and D
3. C and D
4. A and D

Q. Pusa Gaurav variety resistant to insect pest developed by hybridization and selection belong to:

1. Flat bean
2. Okra
3. Rapeseed mustard
4. Wheat

Q. Ti plasmid is an ideal cloning vector for

1. Coliphage
2. Escherichia coli
3. Drosophila melanogaster
4. Nicotiana tabacum

Q. Crop plants may be attacked by pests which affect the crop production. Fungi are such type of pests which cause diseases like

1. Smut of wheat
2. Blight of rice
3. Blight of potato
4. Both A and C

Q. Germplasm is

1. Obsolete and improved genetic material
2. Genetic material of related wild type
3. Both a and b
4. Improved genetic material

Q. Which of the following pesticides have been successfully used in the control of locusts and grasshoppers in India?

1. Sevin
2. Aldrin
3. Parathion
4. Temik

Q. How does insects, pests attack the plant and affect it?

Q. In which of the following plant due to the presence of high aspartic acid, low Nitrogen, this plant leads to resistance for stem borers ?

1. Cotton
2. Sugar cane
3. Maize
4. Wheat

Q. State true or false:​
Aphids are insects pests that attack plant such as mustard.​

Q. In Brassica (mustard) .......... variety is resistant to Aphids.

1. Pusa Shubra
2. Pusa Gaurav
3. Pusa Sawni
4. Pusa $A-4$

Q. Pesticides and insecticides are the only ways to prevent damage from pests.

1. True
2. False

Q. The resistant variety of rice, produced by scientists, to bacterial blight is

1. Jaya
2. TMK-6
3. Ratna
4. IR-8

Q. Important objective of biotechnology in agriculture section is

1. To produce pest resistant varieties of plants.
2. To increase the nitrogen content.
3. To decrease the seed number.
4. To increase the plant weight.

Q. Bt corn has been made resistant from corn borer (corn worm) disease by introduction of the gene

1. CryAb
2. CryllAb
3. ampR
4. Trp

Q.

Which one of the following is wrongly matched?

1. Puccinia -Smut

2. Root Exarch- protoxylem out

3. Cassia — Imbricate aestivation

4. Root pressure — Guttation

Q. The fungus that altered the course of history by reducing the population of Ireland from eight million in 1845 to six-million a decade later was:

1. Penicillium glucum
2. Phytophthora
3. Synchytrium
4. Olpidium

Q. Write down the objectives of plant breeding. Mention the main steps in breeding any new genetic crop.

Q. A wheat variety resistant to hill bunt disease is

1. Himgiri
2. Pusa Gaurav
3. Pusa Sawani
4. Pusa Shubra

Q. Tikka is a type of _________ disease.

1. Fungal
2. Viral
3. Protozoan
4. Bacterial

Q. Pusa snowball K-1 and Pusa A-4 are resistant from

1. White rust and jassids respectively
2. Curl blight black rot and aphids respectively
3. Leaf curl and fruit borer respectively
4. Black rot and shoot borer respectively

Q. Read the following statements (A -D) regarding testing, release and commercialisation of cultivars during a plant breeding programme?
Select the correct option stating true (T) and false (F).

A. The new cultivars are evaluated for their traits by growing them in the research fields.
B. Performance of new cultivars is recorded under ideal fertiliser application, irrigation and other crop management practices.
C. In farmer’s fields, testing of cultivars is done for one growing season.
D. The new cultivar is compared with the reference cultivars.

1. A - T, B - T, C - T, D - F
2. A - T, B - F, C - F, D - T
3. A - F, B - T, C - F, D - F
4. A - T, B - T, C - F, D - T