Which one of the following NOT an advantage of inbreeding?

NEET-2023 [Strategies-for-Enhancement-in-Food-Production] [class-xii ]

• It decreases the productivity of inbred population, after continuous inbreeding.
• It decreases homozygosity.
• It exposes harmful recessive genes that are eliminated by selection.
• Elimination of less desirable genes and accumulation of superior genes takes place due to it.
Correct Option: A  [ It decreases the productivity of inbred population, after continuous inbreeding. ]

Remark:

Breeding crops with higher levels of vitamins and minerals or higher proteins and healthier fats is called:

NEET-2022 [Strategies-for-Enhancement-in-Food-Production] [class-xii ]

• Bio-remediation
• Bio-fortification
• Bio-accumulation
• Bio-magnification
Correct Option: B  [ Bio-fortification ]

Remark:

Mutations in plant cells can be induced by:

NEET-2021 [Strategies-for-Enhancement-in-Food-Production] [class-xii ]

• Kinetin
• Infrared rays
• Gamma rays
• Zeatin
Correct Option: C  [ Gamma rays ]

Remark:

Match List-I with List-II.

NEET-2021 [Strategies-for-Enhancement-in-Food-Production] [class-xii ]

• A-II, B-I, C-IV, D-III
• A-III, B-IV, C-I, D-II
• A-IV, B-III, C-II, D-I
• A-III, B-IV, C-II, D-I
Correct Option: A  [ A-II, B-I, C-IV, D-III ]

Remark:

Which of the following is not an objective of Biofortification in crops?

NEET-2021 [Strategies-for-Enhancement-in-Food-Production] [class-xii ]

• Improve protein content
• Improve resistance to diseases
• Improve vitamin content
• Improve micronutrient and mineral content
Correct Option: B  [ Improve resistance to diseases ]

Remark:

Which of the following is not a step in Multiple Ovulation Embryo Transfer Technology (MOET)?

NEET-2021 [Strategies-for-Enhancement-in-Food-Production] [class-xii ]

• Cow is administered hormone having LH like activity for super ovulation
• Cow yields about 6-8 eggs at a time
• Cow is fertilized by artificial insemination
• Fertilized eggs are transferred to surrogate mothers at 8-32 cell stage
Correct Option: A  [ Cow is administered hormone having LH like activity for super ovulation ]

Remark:

By which method was a new breed 'Hisardale' of sheep formed by using Bikaneri ewes and Marino rams?

NEET-(Sept)2020 [Strategies-for-Enhancement-in-Food-Production] [class-xii ]

• Out crossing
• Mutational breeding
• Cross breeding
• Inbreeding
Correct Option: C  [ Cross breeding ]

Remark:

Inbreeding depression is:

NEET-(Oct)2020 [Strategies-for-Enhancement-in-Food-Production] [class-xii ]

• Reduced motility and immunity due to close inbreeding
• Decreased productivity due to mating of superior male and inferior female
• Decrease in body mass of progeny due to continued close inbreeding
• Reduced fertility and productivity due to continued close inbreeding
Correct Option: D  [ Reduced fertility and productivity due to continued close inbreeding ]

Remark:

What triggers activation of protoxin to active Bt toxin of Bacillus thuringiensis in boll worm?

NEET-2019 [Strategies-for-Enhancement-in-Food-Production] [class-xii ]

• Body temperature
• Moist surface of midgut
• Acidic pH of stomach
• Alkaline pH of gut
Correct Option: D  [ Alkaline pH of gut ]

Remark:

Select the incorrect statement:

NEET-2019 [Strategies-for-Enhancement-in-Food-Production] [class-xii ]

• Inbreeding selects harmful recessive genes that reduce fertility and productivity
• Inbreeding increases homozygosity
• Inbreeding is essential to evolve purelines in any animal
• Inbreeding helps in accumulation of superior genes elimination of undesirable genes
Correct Option: A  [ Inbreeding selects harmful recessive genes that reduce fertility and productivity ]

Remark: