Tag: economically useful plants and entrepreneurial botany

Questions Related to economically useful plants and entrepreneurial botany

Products of organic farming are preferred because they are

  1. Free from pollutants

  2. Costlier

  3. More delicious

  4. Large sized


Correct Option: A
Explanation:

Organic foods or products are preferred because it has high nutritional value than conventional food . The reason for this is the absence of pesticides & fertilisers .  In the absence of these , the plants boost their production of phytochemicals that strengthen their resistance to bugs and weeds .

So the correct option is ' Free from pollutants ' .

Organic farming does not employ

  1. Compost

  2. Pesticides

  3. Removal of weeds

  4. Agrochemicals


Correct Option: D
Explanation:

Organic farming is a method of crop and livestock production that involves much more than choosing not to use pesticides, fertilizers, genetically modified organisms, antibiotics and growth hormones. An agrochemical is a chemical product used in agriculture. In most cases, agrochemical refers to pesticides including insecticides, herbicides, fungicides and nematicides. Hence, agrochemicals are not used in organic farming because of their chemical nature .
So the correct option is ' Agrochemicals ' .

Consider the following statements (A-D) about organic farming
(a) utilizes genetically modified crops like Bt cotton
(b) uses only naturally produced inputs like compost
(c) does not use pesticides and urea
(d) produces vegetables rich in vitamins and minerals.
Which of the given statements are correct?

  1. B, C and D

  2. C and D only

  3. B and C only

  4. A and B only


Correct Option: C
Explanation:

Organic farming uses only naturally produced inputs like compost and organic farming doesn't use pesticides and urea.

So, the correct option is 'B and C only'

Science of cultivation, breeding, marketing and arrangement of flowers is called.

  1. Arboriculture

  2. Floriculture

  3. Horticulture

  4. Anthology


Correct Option: B
Explanation:

Floriculture, or flower farming, is a discipline of horticulture concerned with the cultivation of flowering and ornamental plants for gardens and for floristry, comprising the floral industry. 

So, the correct option is 'Floriculture'.

Organic farming includes :

  1. Use of fertilisers and pesticides of biological origin

  2. IPM (Integrated Pest Management)

  3. Locally developed pest resistant varieties

  4. All of these


Correct Option: D
Explanation:
 Organic farming includes the use of fertilizers and pesticides of biological origin, PM (Integrated Pest Management), locally developed pest-resistant varieties.
So, the correct option is 'All of these'

In an agriculture field there is a prevalence of the following organism and crop disease which are affection the crop yield badly ________________.

  1. White rust

  2. Leaf and strips rust

  3. Black rot

  4. jassids


Correct Option: A
Explanation:

White rust or white blister caused by the oomycete Albugo candida. White rust is an obligate parasite that attacks vegetative and flowering structures of the plants and can cause yellow lesions on the upper surface and white pustules (mainly on the underside) of leaves and can cause malformation of inflorescences. Dispersal and infection are favoured in cool and humid conditions in spring and autumn. Dispersal is mainly done by wind and water. Several species of Albugo can attack Brassicaceae crops and weeds, but Albugo candida is the main species identified in Brassica crops.


So, the correct option is 'White rust'.

.......... is a farming system with minimal or no use of chemicals such as fertilizers, herbicides, pesticides.

  1. Subsistence farming

  2. Ley farming

  3. Organic farming

  4. Industrial farming


Correct Option: C
Explanation:

Organic farming is a form of agricultural practices in which all the natural technique and products are used  such as crop rotation, green manure, compost and biological pest control instead of chemically synthesized fertilizers or pest control. Thus, the organic farming is a farming system with minimal or no use of chemicals such as fertilizers, herbicides, pesticides.

Organic farming is a farming system with minimal or no use of chemicals such as

  1. Fertilizers

  2. Herbicides

  3. Pesticides

  4. All of the above


Correct Option: D
Explanation:
Organic farming is a form of agriculture that relies on techniques such as crop rotation, green manure, compost, and biological pest control. Organic farming is a farming system with minimal or no use of chemicals such as fertilizers, herbicides, pesticides.
Thus, the correct answer is option D.

Which of the following is the largest organic farm in India?

  1. Organics

  2. The Farm

  3. OFAI

  4. None of the above


Correct Option: B
Explanation:

The Farm is the largest organic farm in India. It is comprised of an area of over 350 acres. This farm is situated in Uttar Pradesh, some kilometers away from Benaras. There is cultivation of many crop plants, pulses, aromatic and spices plants. There is use of cattle and other farm animals for farming.

Thus, the correct answer is option B. 

Organic farming is raising crops through use of

  1. Biofertilizers

  2. Manures

  3. Resistant varieties

  4. All of the above


Correct Option: A,B
Explanation:

Organic farming is raising crops without using any chemicals. We can use both biofertilizers and manures for organic farming.

Correct answer-A ,B