Strategies for enhancement in food production practice · Mixed difficulty

The germplasm collections are usually maintained at a …A… temperature in the form of …B… . Here A and B refers to

In plant A, 2n = 12 and in plant B, 2n = 16. Then the ploidy number of cross breeding plant is

‘Himgiri’ developed by hybridization and selection for disease resistance against rust pathogens is a variety of

…… is a phenomenon by which genetic variations is achieved through changes in the base sequences with in genes, which creates a new character or trait absent in parental generation

250 grams of which microbes, among the
following, can produce 25 tons of protein?

Science of altering the genetic pattern of plants in order to increase their value and utility for human welfare is called

Mutation breeding is carried out by
I. inducing mutations in plants by various means
II. screening the plant for resistance
III. selecting the desirable plant for multiplication and breeding
Choose the correct option

Explants before organogenesis, is

Polyethylene glycol method is used for

Assertion: Hydrated artificial seeds have to be
planted soon after they are produced.

Reason: These seeds soften, due to absorption
of moisture from air.

Hidden hunger can be defined as

The parameters carried out for managing dairy farm are
I. selection of both the male and female animals having high yielding potential and resistance to diseases
II. regular visits by a veterinary doctor
III. each animal should be fed on a balance ratio
IV. pay attention to good animal management and general supervision
Which of the above statement are correct?

Inoculation of explant is carried out in?

Choose the odd one w.r.t habitat

Need for breeding plants, to improve food quality are
I. lack of adequate food having adequate nutritional requirements in the world
II. majority people are unable to buy enough fruits, vegetables, legumes, fish and meat and thus suffer from deficiencies or hidden hunger
III. essential micronutrients are absent from diet
Choose the correct option

Recovery of healthy plants from diseased plants is possible by

One of the alternate sources of protein for animal and human nutrition is

Tasar silk is obtained from

Assertion: Normal embryos are often not formed
in interspecific hybridization.

Reason: Such embryos can germinate in culture
conditions.

Which of the following species of silkworm are found in India?

The basis for artificial selection of desirable plant is?

Which type of honey bees are useful for apiary industries in India?

Cellulose fibre is obtained from Gossypium

The inherent capacity of a cell to regenerate a new whole organism is called

Scientists are trying to get hybridization between tomato and potato. The most accurate name of the recusant would be

Assertion : Mass selection is useful in
homozygous plants.

Reason : Mass selection does not work with
cross-pollinated plants.

Consider the following statements
I. The honey bees are pollinators of many crop species such as sunflower, Brassica, apple and pear
II. Keeping beehives in crop fields during flowering period increases both crop yield and honey yield
III. A successful bee keeping requires management of beehives during different seasons
Which of the statements given above are correct?

The host crop plants may be resistant to insects pests due to the
I. morphological characteristics
II. biochemical characteristics
III. physiological characteristics
Choose the correct option

Mule is produced by

A hybrid where the cytoplasm of two parent cell are fused by retaining only one parental nucleus is called