Enhancement in Food Production Quiz-8

BIOLOGY ENHANCEMENT IN FOOD PRODUCTION QUIZ-8

Dear Readers,

NEET is the most famous and important medical entrance examination held in our country. This exam is an objective type, an offline test which includes 4 sections namely– Physics, Chemistry, Botany, and Zoology. The maximum marks that can be scored are 720 marks and have 180 questions. About half of the paper consists of questions from Biology, as the NEET exam essentially focuses on capacitating students to go for seats in medical courses. One of the most significant and crucial sections in the NEET exam is of Biology. It comprises of theories, descriptions, discoveries, diagrams, definitions, explanations of differences, and relations. The majority of the topics covered in the NEET syllabus are from the NCERT syllabus of Class 11 & 12 and other related sources become part of the rest of the syllabus. Clear Exam curates a list of articles selected by professionals who recommend the highly vital topics for NEET exams. The table below takes you directly to the respective topic where the in-depth article and the MCQs are available for an easy and productive learning experience. Prior to solving NEET question papers or practicing mock tests, you must ensure to study the basic concepts in NEET and practice a few sample questions related to this exam. Students will be covered for all their studies as the topics are available from basics to even the most advanced. .

Q1. Culturing of isolated plant organ is called

•   Explant culture
•   Inplant culture
•   Organism culture
•  Organ culture

Solution
d)Culturing of isolated plant organ is called organ culture

Q2.Sugars extracted from sugarcane and sugar beet differ in:

•   Taste
•  Colour
•  C¹³/C¹² ratio
•  The one extracted from sugarcane is sucrose is while from sugarbeet is fructose

Solution
C)

Q3.  Microbes like Spirulina can be grown on material like
I. waste water from potato processing plants
II. straw
III. animal manure and sewage
IV. molasses
Choose the correct option

•  I and II
•  I, II and III
•  II, III and IV
•  I, II, III and IV

Solution
(d) All of these. Easy to Grow Microbes can be grown on materials like waste water from potato processing plants, straw, molasses, animal manure and sewage (i) Nutrient Rich Provide food rich in protein, minerals, fats, carbohydrates and vitamin (ii) High Yield Due to high rate of biomass production and growth, large amounts are produced

Q4. In protoplast fusion, the enzymes required are

•  Cellulose, hemicellulose, pectinase
•  Pectinase
•  Ligase, hemicellulose
•  Hemicellulose

Solution
a)In protoplasm fusion the enzyme required are cellulose, hemicellulose and pectinase

Q5.Mule is produced by

•  Inbreeding
•  Artificial insemination
•   Interspecific hybridization
•  Intraspecific hybridization

Solution
 (c) Mating between male and female animals of two different species is called interspecific hybridization. The Mule is the best example of a successful cross between two different species, the female horse and the male donkey

Q6. In crop improvement programme haploids are important because they:

•  Require one half of nutrients
•  Are helpful in study of meiosis
•  Grow better under adverse conditions
•  Form perfect homozygous individuals on diploidisation

Solution
(d)

Q7.Semi-dwarf wheat was developed at

•  International Centre for Wheat and Maize Improvement Brazil
•  International Centre for Wheat and Maize Improvement Brazil
•  International Centre for Wheat and Rice Improvement Japan
•  International Centre for Wheat and Gram Improvement Mexico

Solution
(b) International Centre for Wheat and Maize Improvement Mexico. Semi-dwarf rice varieties were introduced in India in 1966. Semi-dwarf varieties of rice were developed from IR-8 and Taichung Native-1

Q8.Most common honey bee species in India

•  Apis indica
•  Apis florea
•  Apis mellifera
•  Apis dorsata

Solution
a)

Q9.Which of the following statement are the main objective of animals breeding?
I. improved growth rate
II. increased production of milk, meat, egg, wool, etc.
III. superior quality of milk, meat eggs wool, etc.
IV. improved resistance to various diseases.
Choose the correct option

•   I and II
•  I, II and III
•  II, III and IV
•  I, II, III and IV

Solution
(b)Breeding involves crosses between useful animal breeds aiming to increase the yield of animals and to improve the desirable qualities of the produce

Q10. Micropropagation is

•  Propagation of microbes in vitro
•  Propagation of plants in vitro
•  Propagation of cells in vitro
•  :Growing plants on smaller scale

Solution
(b)Micropropagation can be defined as growing plants from seed or small pieces of tissue under sterile conditions in a laboratory on specially selected media. This techniques include in vitro (Literally –in glass) laboratory propagation from vegetative material and germination of seeds and spores