NEET Biology MCQs | MCQs on NEET Enhancement in Food Production | Solve the online test and get your instant score and answers | Test No. 03
Improvement in Food Production: MCQs Quiz - 3
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Question 1 |
Hybrid vigour is mostly due to
Homozygosity of pure characters | |
Superiority of all the genes | |
Heterozygosity | |
Mixing up of cytoplasm of the male with that of female |
Question 2 |
Main objective of production/use of herbicide resistant Genetically modified crops is to:
Reduce herbicide accumulation in food articles for health safety | |
Eliminate weeds from the field without the use of manual labor | |
Eliminate weeds from the field without the use of herbicides | |
Encourage eco-friendly herbicides |
Question 3 |
Crosses between two plants by the same variety are called
Intravarietal | |
Intervarietal | |
Interspecific | |
Intergeneric |
Question 4 |
Hybrid vigour is mostly due to
Homozygosity of pure characters | |
Superiority of all the genes | |
Heterozygosity | |
Mixing up of cytoplasm of the male with that of female |
Question 5 |
Heterosis means
Pollen sterility | |
Pollen-pistil incompatibility | |
Hybrid vigour | |
Hybrid compatibility |
Question 6 |
In which crops is the method of mass selection applied
Cross-pollinated | |
Self-pollinated | |
Both self and cross-pollinated | |
Potato and sugarcane |
Question 7 |
In order to obtain disease-free plants through tissue culture techniques, the best method is
Protoplast culture | |
Anther culture | |
Embryo rescue | |
Meristem culture |
Question 8 |
The best way to obtain bacteria and viruses free plants through tissue culture
Shoot apex or meristem culture | |
Seed germination after gamma-irradiation | |
Micropropagation | |
Seed germination under aseptic conditions |
Question 9 |
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 above statements are correct?
(B) and (C) only | |
(A) and (B) only | |
(B), (C) and (D) | |
(C) and (D) only |
Question 10 |
The dividing and undifferentiated cells are known as
Embryo | |
Proembryo | |
Callus | |
Primordium |
Question 11 |
A germplasm collection is a
Collection of specimens of all the species of an area in a herbarium or botanical garden | |
Collection of modern varieties of a crop | |
Collection of plants or seeds having diverse alleles of all genes in a crop | |
Collection of seeds or pollen of rare and threatened species of a group or area |
Question 12 |
Desired improved varieties of economically useful crops are raised by
Mutation | |
Hybridization | |
Natural selection | |
Biofertilizer |
Question 13 |
Aims of plant breeding are to produce
early maturing varieties | |
high-yielding varieties | |
disease-free varieties | |
all the above |
Question 14 |
Which one of the following is linked to the discovery of Bordeaux mixture as a popular fungicide?
Black rust of wheat | |
Bacterial leaf blight of rice | |
Downy mildew of grapes | |
Loose smut of wheat |
Question 15 |
Cloning is meant for
Production of HGH gene in E. coli. | |
To preserve the genotype of organism | |
To replace the original one | |
all of these |
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It helped me a lot to evaluate myself. Thanx.
plz explain Q.2 AND 14?
Go through NCERT thoughrouly n u’ll gey d answer
better to give some difficult questions also
Q.No 8-ans is wrong,it should b opsn D.
D answer is correct,because by meristem culture you can obtain a disease free plant even from a diseased plant. Please read NCERT nicely.