Desirable Traits

Q. Pusa Sadabahar is a disease resistant variety of the plant belonging to the family ___(A)_______and Pusa Sadabahar is resistant to____(B)_______.

1. (A)-Poaceae, (B)-virus
2. (A)-Solanaceae, (B)-virus
3. (A)-Fabaceae, (B)-bacteria
4. (A)-Brassicaceae, (B)-bacteria

Q.

Which state of India is the largest producer of rice?

Q. Select the incorrect statement(s) with respect to Saccharum officinarum.

1. It is a tropical cane
2. It has low sugar content
3. It had thicker stem
4. It is sugarcane

Q.

Complete the below statement by selecting the correct option

“Saccharum officinarum does not _________.

1. grow well in South India
2. have a thicker stem
3. high sugar content
4. grow well in North India

Q. Millet varieties developed through breeding are

1. High-yielding and pest resistant
2. Virus-resistant
3. Bacterial-resistant
4. High-yielding and resistant to water stress

Q. Millet varieties developed through breeding are

1. High-yielding and pest resistant
2. Virus-resistant
3. Bacterial-resistant
4. High-yielding and resistant to water stress

Q. Parthenocarpy is a phenomenon which results in

1. the formation of seeds without fertilisation.
2. the formation of perisperm.
3. the formation of fruits without seed.
4. None of these.

Q.

In the following question a statement of assertion (A) is followed by a statement of reason (R).

Assertion - Indian government introduced hybrid varieties of millets.

Reason - Millet was introduced in India as it requires a great amount of water which is easily available for agriculture.

1. If both assertion and reason are true and reason is the correct explanation of assertion
2. If both assertion and reason are true but reason is not the correct explanation of assertion
3. If assertion is true but reason is false
4. If both assertion and reason are false

Q. Which of the following is a high yielding semi-dwarf variety of rice developed during the Green revolution?

1. Ratna
2. Kalyan Sona
3. Sonalika
4. Sharbati Sonora

Q.

Why is vivipary an undesirable character for crop plants?

1. It reduces the vigour of the plant

2. The seeds cannot be stored under normal conditions for the next season

3. The seeds exhibit long dormancy

4. It adversely affects the fertility of the plant

Q. Commercial 3 importance of a polyembryony

Q. Select the incorrect statement(s) with respect to Saccharum officinarum.

1. It is a tropical cane
2. It has low sugar content
3. It had thicker stem
4. It is sugarcane

Q. Which of the following is not a characteristic feature of Saccharum officinarum?

1. It possesses stout and thick stems
2. It has a high sugar content
3. It is largely grown in north India
4. It can grow well in the climatic conditions of south India

Q. Assertion :Genetic diversity of our crop plants must be conserved. Reason: Genetic diversity is being or is likely to be used in the improvement of domesticated plants.

1. Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
2. Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion
3. Assertion is correct but Reason is incorrect
4. Both Assertion and Reason are incorrect

Q. Gymnosperm plants do not produce fruits because they do not have

1. Ovary
2. Gametes
3. Fertilization
4. None of the above

Q.

In the following question a statement of assertion (A) is followed by a statement of reason (R).

Assertion - Indian government introduced hybrid varieties of millets.

Reason - Millet was introduced in India as it requires a great amount of water which is easily available for agriculture.

Q. Which is more suitable for germplasm collection?

1. Centre of production
2. Homelands
3. Tropical areas
4. Temperate areas

Q. A more suitable place among following, for germplasm collection would be

1. Peru
2. France
3. Spain
4. U.K.

Q. Jojoba yields wax for cosmetics from its

1. Stem
2. Leaves
3. Seeds
4. Fruit pulp

Q. Which of the following is true about biopatent?

1. It allows private monoply rights over plants and animals.
2. The arguments in favour of biopatents are primarily to increase economic growth.
3. All of the above.
4. People will not research in areas dominated by patents.

Q.

Why is vivipary an undesirable character for crop plants?

1. It reduces the vigour of the plant

2. The seeds cannot be stored under normal conditions for the next season

3. The seeds exhibit long dormancy

4. It adversely affects the fertility of the plant